Help please 40 points and brainlist if picked

Help Please 40 Points And Brainlist If Picked
Help Please 40 Points And Brainlist If Picked
Help Please 40 Points And Brainlist If Picked

Answers

Answer 1

Answer: x = 2, y = 5

Step-by-step explanation:

Step 1: Substitute y = -2x + 9. --> {2x + 9 = 4x - 3}

Step 2: Isolate x for the 2-sided equation. (x = 2) --> y = -2 · 2 + 9.

Step 3: Simplify. y = 5.

Hope this helped. :)


Related Questions

Oscar and Julie Ashton are celebrating their 15th anniversary by having a reception at a local reception hall. They have budgeted $4,500 for their reception. If the reception hall charges a $90 cleanup fee plus $35 per person, find the greatest number of people that they may invite and still stay within their budget.​

Answers

The greatest number of people that they may invite and still stay within their budget is 126 persons.

Equation in mathematics

An equation is a mathematical statement in symbolic form that indicates that two things are exactly the same. Equations are written with an equal sign (=) as follows:

x + 3 = 5, which states that the value x = 2.2x + 3 = 5, which states that the value x = 1.

The statements above are similar. Equations can be used to express the similarity of two expressions composed of one or more variables.

For example, for real x members, the following equation is always true:

x(x - 1) = x² − x.

The above equation is an example of identity.

An equation that is always true regardless of the values of the variables in it. 

According to the question:

Oscar and Julie Ashton have a budgeted $4,500 for their reception.

The reception hall charges a $90 cleanup fee plus $35 per person.

Let the total number of persons be = p

Clean up is a one time charge.

So, the inequality forms:

90+ 35p= < $4500

90 + 35p =< $4500

35p =< $4500 - 90

35p=< 4410

p=< 4410 : 35

p =< 126 persons

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Help please i don’t know how to do this

Answers

Answer:

16

Step-by-step explanation:

(fog)x=f{g(x)}

=f(x-2)

=(x-2)^2

So,

(fog)(-2)=(-2-2)^2

=-4^2

=16

Solve for X. Find the length of angle 10
8
E
2x - 17
9
D
с

Answers

Applying the secant-secant theorem, the value of x is: 12.

What is the Secant-secant Theorem?

The secant-secant theorem states that if you draw two lines from a point outside a circle that intersect the circle at two different points, then the product of the length of one line segment and the length of the portion of the line outside the circle is equal to the product of the length of the other line segment and the length of its portion outside the circle.

Based on the secant-secant theorem, we have:

EF * ES = ED * EC

Substitute the values:

8(8 + 10) = 9(2x - 17 + 9)

Solve for x:

144 = 18x - 72

144 + 72 = 18x

216 = 18x

216/18 = x

x = 12

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4. Are the triangles similar?
If yes, which angles are congruent?

Answers

By AA similarity Triangle PQR and TQS are similar.

What is Similarity?

Two triangles are similar if they have the same ratio of corresponding sides and equal pair of corresponding angles. Similar figures are described as items with the same shape but varying sizes, such as two or more figures.

Given:

As, PR || TS then

<RPQ = <TSQ (Alternate Interior Angle)

< <QTS = <QRP (Alternate Interior Angle)

So, Triangle PQR and TQS are similar by AA similarity criteria.

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can you pls help me with this question

Answers

Answer:

[tex]\frac{1}{4}[/tex]

Step-by-step explanation:

Originally our equation looks like [tex]x^{2}[/tex] + 2y

First, we want to substitute x = [tex]\frac{1}{2}[/tex]  & y= 0 into the equation.

The equation now looks like [tex]([/tex][tex]\frac{1}{2}[/tex][tex])^{2}[/tex] + 2 x 0

The brackets are added to the fraction as we are squaring the WHOLE fraction, and the 2y has a hidden multiplication sign, with it being 2 x y, so it is 2 x 0.

Now that we have our values substituted into the equation, we can solve it!

 [tex]([/tex][tex]\frac{1}{2}[/tex][tex])^{2}[/tex] = [tex]\frac{1}{4}[/tex]  

therefore,

[tex]\frac{1}{4}[/tex]  + 2 x 0

= [tex]\frac{1}{4}[/tex]

2. Lin and Andre biked home from school at a steady pace. Lin biked 1.5 km and it took her 5 minutes. Andre biked 2 km and it took him 8 minutes.

a. draw a graph with two lines that represents the bike rides of Lin and Andre
b. for each line, highlight the point with coordinates (l, k) and find k.
c who was biking faster?

please help me . -.

Answers

Answer: a. To create the graph, we need to find the speed (in km/min) of Lin and Andre. The speed is calculated as distance divided by time.

For Lin: speed = 1.5 km / 5 min = 0.3 km/min

For Andre: speed = 2 km / 8 min = 0.25 km/min

We can plot these speeds as points on a graph with time on the x-axis and speed on the y-axis.

b. The point for Lin is (5, 0.3) and for Andre is (8, 0.25).

c. From the graph, we can see that Lin was biking faster, with a speed of 0.3 km/min compared to Andre's speed of 0.25 km/min.

Step-by-step explanation:

What is the surface area of the cube?

Answers

Answer:

tsa=6a^2

=6x(6.5x6.5)

=235.3cm sq.

Step-by-step explanation:

i hope it will help u

helpppppppppppp pleaseeee

Answers

Bethany says, Using these exchange rates, £1 is worth 1.17 euros.

Step-by-step explanation

1 euro = 1.07 dollars

£1 = 1.25 dollars

Now ,

⇒ £1 = 1.25 dollars

⇒ £1 =

⇒ £1 =

⇒ £1 =

⇒ £1 =

⇒ £1 =1.17 euros

Therefore , Bethany says, Using these exchange rates, £1 is worth 1.17 euros.

Solve for x. Enter the solutions from least to greatest.
6x² - 6x - 72 = 0

Answers

Answer:

-3, 4

Step-by-step explanation:

First, we can simplify this expression by diving both sides by 6. Thus, we get x² - x - 12 = 0. Solving this, we get (x-4)(x+3). Thus, the solutions for x are 4 and -3. So, the answer is x = -3, 4

Find the area of a rhombus whose altitude is 4 cm and perimeter is 36 cm.​

Answers

Answer:

36 cm²

-------------------------

Rhombus has four equal sides. Since perimeter is 36 cm, each side is:

36/4 = 9 cm

Area of rhombus is the product of base and altitude:

A = bh = 9*4 = 36 cm²

Answer: 36cm

Step-by-step explanation:

Draw a horizontal line of length 7cm. Construct the perpendicular bisector using a pair of compasses.

Answers

The horizontal line of length 7cm is added as an attachment

How to bisect the line

From the question, we have the following parameters that can be used in our computation:

Line = 7 cm

The following steps would create the perpendicular bisector

Draw the line segment of 7 cmPlace the point of the compass on one end of the line segment and draw a small arc that intersects the line segment at two points.Place the point of the compass on the other end of the line segment and draw a small arc that intersects the line segment at two points.Draw a straight line that connects the two points where the arcs intersect the line segment.This line is the perpendicular bisector of the line segment.

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Which of the following statements is correct?
A) The y-intercept is +4.
B) The zeros are all positive rational numbers.
C) When -2 < x < -1. f(x) < 0.
D) (X + 2) is a factor of the function.

Answers

Answer:

B

Step-by-step explanation:

it says why

Solve please asap have a good day

Answers

The summation notation for the given arithmetic series is  [tex]\sum_1^4(4n)[/tex]

What is arithmetic series?

An arithmetic series is the sum of the terms in an arithmetic sequence with a definite number of terms.

Given is an arithmetic series, 4+8+12+16, we need to find the summation notation for the given arithmetic series,

To generate the terms of a series given in sigma notation, successively replace the index of summation with consecutive integers from the first value to the last value of the index.

To generate the terms of the series given in sigma notation above, replace n by 1, 2, 3 and 4

[tex]\sum_1^4(4n)[/tex] = 4(1) + 4(2) + 4(3) + 4(4)

= 4 + 8 + 12 + 16

= 40

Therefore, the sum of the series is 40

Hence, the summation notation for the given arithmetic series is  [tex]\sum_1^4(4n)[/tex]

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7700 dollars is placed in an account with an annual interest rate of 5.5%. To the nearest year, how long will it take for the account value to reach 26500 dollars?

Answers

116 years it take  for the account value to reach 26500 dollars

What is Percentage?

percentage, a relative value indicating hundredth parts of any quantity.

Given that 7700 dollars is placed in an account with an annual interest rate of 5.5%.

We need to find the time it  take for the account value to reach 26500 dollars

[tex]A=P(1+r)^{t}[/tex]

A = final amount=26500

P = initial amount (7700)

r = annual interest rate (5.5%)

n = number of times interest is compounded per year

t = time in years

Solving for t, we get:

[tex]25600=7700(1+5.5/100)^{t}[/tex]

[tex]25600=7700(1.055)^{t}[/tex]

Divide both sides by 7700

[tex]25600/7700=1.055^{t}[/tex]

3.32=tlog1.055

3.32=0.02t

t=116 years

Hence, 116 years it take  for the account value to reach 26500 dollars

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2 numbers that can be true for the following equations. x+y=17 & x-y=7

Answers

The two numbers that can be true for the equations are 5 and 12

How to solve the simultaneous equation

From the information given, we have the equations;

x+y=17

x-y=7

From equation (1), make 'x' the subject of formula

x = 17 - y

Now, substitute the value into the formula, we have;

17 - y - y= 7

collect like terms

-y-y = 7 - 17

Subtract the iike terms

-2y = -10

Make 'y' the subject

y = 5

Substitute the value

x = 17 -5

x = 12

Hence, the values are 12 and 5

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Draw the line of reflection that reflects quadrilateral ABCD onto
quadrilateral A'B'C'D'.

Answers

Note that the line of reflection that reflects quadrilateral ABCD onto quadrilateral A'B'C'D' is given as attached. Note that when a shape is reflected, it must be reflected over a line. In this case, the line of reflection is y = -3.

What is a line of reflection?

A line of reflection is a line that acts as a mirror, reflecting a figure across the line so that the image is a mirror image of the original.

When a shape is reflected, it must be reflected over a line. The line of reflection of quadrilateral ABCD onto quadrilateral A'B'C'D is

From the given graph, we have the following observations

ABCD was flipped over to form A'B'C'D'

The line of reflection is between both shapes.

Using points C and C' as references;

We have:

C = (-3, -1)

C" = (-3, -5)

Notice that both points have the same x-coordinate

This means that the line of reflection is parallel to the x-axis and passes through the y-axis.

The point at which it passes through the y-axis is calculated using the mid-point formula.

Therefore, we have:


y = (y1+y2)/2

y = (-1-5)/2

y = -6/2

y = -3

Hence, the line of reflection is y = -3
See the attachment for the line of reflection.

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Answer:

Step-by-step explanation:

In quadrilateral PQRS, the exterior angle at Q when ⎯⎯⎯⎯⎯⎯
is extended measures 155 and PS = QR. What measure of ∠PSR would confirm that PQRS is a parallelogram?

Answers

The measure of the angle ∠PSR will be equal to 25 degrees.


What is geometry?

One of the earliest areas of mathematics is geometry, along with arithmetic. It is concerned with spatial characteristics like the separation, shape, size, and relative placement of objects.

Given that In quadrilateral PQRS, the exterior angle at Q when PQ is extended measures 155 and PS = QR.

The measure of the angle PSR will be calculated as:-

∠Q exterior  = 155

∠PQR = 180 - 155

∠PQR = 25

∠PQR = ∠PSR = 25°

Therefore, the value of the angle ∠PSR is 25°.

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Maxine took out a $9,000 loan to buy a car. By the end of the loan, she had paid 20% of the original loan amount in interest. What was the total amount she paid on the loan with interest?

Answers

Maxine paid total amount of $10800 on the loan.

What is percentage?

The percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

Given,

Maxine took loan of $9000

Interest she paid = 20%

Total interest = (20/100) × 9000

                      = $1800

Total amount = $9000 + $1800 = $10800.

Hence, $10800 is total amount Maxine paid at end of the loan.

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Two types of memberships are available for a water park
an unlimited use membership for $70 per month, or
a monthly $10 fee plus $5. 00 per visit
enter an equation that can be used to find the number of visits (v) per month needed for the two membership types to cost the same amount ​

Answers

Answer:

10+5v=70

Step-by-step explanation:

this is because you need to consider the outright monthly cost of $10 first. then you don't know how many visits you'll need so you have to fill in v and multiply it by the cost per visit. and it must equal 70 so that it is equal to the other membership.

Final answer:

The equation 70 = 10 + 5v is used to determine the number of visits per month needed for two membership types to cost the same. Solving the equation would provide that 12 visits a month will make both memberships cost the same.

Explanation:

The subject of this question is Mathematics, and it is related to the topic of linear equations. Given the problem, we know that there are two types of membership options:

An unlimited use membership for $70 per month. This can be represented as: Y = 70, A membership that costs a monthly $10 fee plus $5 per visit. This can be represented as: Y = 10 + 5v.

Here, Y represents the total cost of the membership each month and v represents the number of visits to the water park per month. You can set these two equations equal to each other in order to find the number of visits (v) needed for the two membership types to cost the same amount:

70 = 10 + 5v

You solve the equation for v to get: v = (70 - 10) / 5 = 12

Therefore, it would take 12 visits per month for both memberships to cost the same.

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how did get 180 by solving 15 multiply by 12???

Answers

One way we can check this is to simply multiply 15 by 12 to get 180.

15 × 12 = 180

Or you could even switch the numbers around.

12 × 15 = 180

But if we wanted to check it further, we can take the total and divide that by one of the multiplican or multipliers (15 or 12) to get the correct product.

180 ÷ 15 = 12180 ÷ 12 = 15

Therefore, these are some ways to use the numbers 180, 15 and 12 in expressions.

How could you use the graph to find the number of apples needed for 30 celery sticks? PLS I NEED THIS BY TODAY BC IT IS DUE TOMORROW HELPPPP IM SO DESERET

Answers

Step-by-step explanation:

What graph are we talking about?

3. Roma makes scented candles, which she sells for $5 each or $11 for 3. Yesterday she took 200 candles with her to a craft fair and sold them all, taking a total of $788.
How many of her candles did Roma sell for $5 at the craft fair?

Answers

Let's call the number of candles Roma sold for $5 each "x".

What is the unitary method's formula?

What is the unitary method's formula? The unitary method's formula is to identify the value of a single unit, then multiply that value by the number of units to obtain the required value.

Since she sold 200 candles in total, we know that x + 3y = 200, where y is the number of sets of three candles she sold for $11.

We also know that the total revenue was $788, so we can set up another equation based on the total revenue:

5x + 11y = 788

Now that we have two equations, we can use substitution to solve for x. First, let's solve for y:

y = (200 - x) / 3

Plugging this expression for y into the second equation:

5x + 11((200 - x) / 3) = 788

Expanding and simplifying the equation:

5x + (2200 - 11x) / 3 = 788

Multiplying both sides by 3 to get rid of the fraction:

15x + 2200 - 11x = 2364

Combining like terms:

4x = 164

Finally, dividing both sides by 4 to solve for x:

x = 41

So Roma sold 41 candles for $5 each at the craft fair.

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What percent is 14 out of 26

Answers

Answer:

53.85 %

Step-by-step explanation:

use ratio to solve.

14/26 = x/100

1400/26 = x

x = ~53.85%

solve the inequality 5x<-28 show your work

Answers

Answer:

x < -28

Step-by-step explanation:

5x < -28

x < -28/5

3. A bumblebee of mass 0.015 kg is traveling at 21.0 m/sec when it collides with a windshield. How much kinetic energy does the bee have as it hits the windshield? Show work thanks for the help

Answers

Answer:

Step-by-step explanation:

KE = (1/2) * m * v^2

where KE is the kinetic energy, m is the mass of the object, and v is the velocity of the object.

We are given the mass of the bumblebee as 0.015 kg and its velocity as 21.0 m/sec. We can plug these values into the formula to calculate its kinetic energy:

KE = (1/2) * m * v^2

= (1/2) * 0.015 kg * (21.0 m/sec)^2

= (1/2) * 0.015 kg * 441.0 m^2/sec^2

= 2.92625 J

Therefore, the bumblebee has 2.92625 Joules of kinetic energy as it hits the windshield.

Answer:

The kinetic energy of the bumblebee as it hits the windshield is given by the equation KE = 0.5 x 0.015 kg x (21.0 m/s) squared. This gives us a total of 945 J of kinetic energy.

The perimeter of rectangle ABCD is 105 inches. Use this information to solve for x.

D

c

7x + 1

Round your answer to the nearest tenths place if needed.

Answers

For rectangle ABCD, the value of x is 6.44 inches

Consider the following diagram.

From this figure we can observe that the dimansions of the rectangle: length is given by expression (7x + 1) and width is given by expression 'x'

We know that tha formula for the perimeter of the rectangle,

P = 2 × (length + width)

Here, the perimeter of rectangle ABCD is 105 inches.

Using above formula of perimeter we get an expression,

P = 2 × ((7x + 1)+ x)

105 = 2 × (8x + 1)

We solve above equation for x.

105/2 = 8x + 1

52.5 - 1 = 8x

8x = 51.5

x = (51.5)/8

x = 6.44 inches

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Shalu cycles to her school at an average speed of 12 km/hr. It takes her 20 minutes to reach the school. If she wants to reach her schoo n 15 minutes, what should be her average speed?​

Answers

Answer:

She should walk at a rate of 16 km/hr

Step-by-step explanation:

At a rate of 12 km/hr, she would have traveled 4 km in 20 minutes. This can be calculated by finding the ratio of 20 minutes to 1 hour which is 1/3. We then multiply this ratio by the rate to find the distance Shalu needs to walk to school.

We then need to find the necessary km/hr in order for Shalu to travel 4 km in 15 minutes. 15 minutes is a quarter of 1 hr. Therefore a rate of 4 km/15 minutes is equal to a rate of 16 km/hr. This means that the average speed Shalu would have to walk is 16 km/hr.

Find the HCF :
2x^3+x^2-3x and x^3-x​

Answers

Answer: To find the highest common factor (HCF) of two polynomials, we can use the Euclidean algorithm for polynomials. The Euclidean algorithm involves dividing the larger polynomial by the smaller polynomial and continuing the division process until the remainder is zero. The last non-zero remainder is the HCF of the two polynomials.

In this case, we have:

2x^3 + x^2 - 3x = (2x^3 - x^3) + x^2 - 3x

= x^3 + x^2 - 3x

Now, we divide x^3 + x^2 - 3x by x^3 - x

x^3 + x^2 - 3x = x^3 - x * (1 + x - 3)

= x^3 - x * (x^2 - 2x + 3)

We cannot simplify this expression further, so the HCF of 2x^3 + x^2 - 3x and x^3 - x is x^3 - x.

Step-by-step explanation:

If 6 Gardner's can now the grass of a soccer field in 2 hours how many gardeners can mow the same field in 3 hours

Answers

Two gardeners can cut a similar field in three hours. A soccer field might be cut in two hours by six grounds-keepers, every one of whom works at a pace of one-6th of the field every hour.

To get the number of grounds-keepers expected to cut the very field in that timeframe, we should initially decide the speed at which the field can be cut in 3 hours, which is 1/3 of the field consistently.

To get the required number of groundskeepers, we partition this rate by the pace of every nursery worker, which is 1/6 of the field every hour, yielding the condition 1/3 / 1/6 = 2.

Subsequently, two nursery workers might cut similar regions in three hours.

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A Six Sigma program has how many defects per million? 27006 times the standard deviation3410003.4

Answers

By standard deviation, 3.4 defects per million that a six sigma program has. Whereas the remaining ones are not appropriate in this context.

What does standard deviation mean ?

The term "standard deviation" (or "") refers to the degree of dispersion of the data from the mean.

                               Data are said to be more closely grouped around the mean when the standard deviation is low and more dispersed when the standard deviation is high.

Describe standard deviation using an example?

The dispersion of the data around the mean value is measured by the standard deviation. It might be helpful when comparing data sets that may have the same mean but a different range.

                         The means of the two numbers 15, 15, 15, 14, 16, and 2, 7, 14, 22, 30 are the same, for instance. The second is, however, obviously more dispersed.

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