Please help the question is in the picture

Please Help The Question Is In The Picture

Answers

Answer 1

Answer:

- True

- True

- False

- True

Step-by-step explanation:

- Subtracting the equation will get rid of y variable therefore it's a correct and logical first step to solve the system

- The solution is indeed (-3, -3) as if we substitute these values in both equation, the equation will be correct and valid.

[tex]-2(-3)+(-3)=3[/tex] (Correct)

[tex]3(-3)+2(-3)=-15[/tex] (Correct)

- We have already determined the logical first step. Multiply by -2 will not get rid of any of the variables. Therefore, this is false.

- The solution can be written as one value since x = y = -3. Therefore, this statement is true.


Related Questions

An insurance company advertises that 90% of their accident claims are settled within 30 days. A consumer group randomly selects 104 of last year’s claims from the company’s files, and finds that only 89 of them were settled within 30 days. Is the company guilty of false advertising?

Answers

Answer:x

Step-by-step explanation:

At a car garage there are 100 vehicles, 60 of which are cars, 30 are vans and the remainder are
lorries. If every vehicle is equally likely to leave, find the probability of a lorry leaving first.

Answers

Answer:

there are 10 of the other kind of cars

Step-by-step explanation:

Answer:

10%

Step-by-step explanation:

since there are 100 cars it makes it easy to make into a percentage. so since there are only 10 cars the awnser is 10%

Given that cos θ = –12∕13 and θ is in quadrant III, find csc θ.
Question 20 options:

A)

–13∕5


B)

13∕5

C)

5∕13

D)

–5∕13

Answers

Answer:

A

Step-by-step explanation:

We are given:

[tex]\displaystyle \cos(\theta)=-\frac{12}{13},\,\theta\in\text{QIII}[/tex]

Since cosine is the ratio of the adjacent side over the hypotenuse, this means that the opposite side is (we can ignore negatives for now):

[tex]o=\sqrt{13^2-12^2}=\sqrt{25}=5[/tex]

So, the opposite side is 5, the adjacent side is 12, and the hypotenuse is 13.

And since θ is in QIII, sine/cosecant is negative, cosine/secant is negative, and tangent/cotangent is positive.

Cosecant is given by the hypotenuse over the opposite side. Thus:

[tex]\displaystyle \csc(\theta)=\frac{13}{5}[/tex]

Since θ is in QIII, cosecant must be negative:

[tex]\displaystyle \csc(\theta)=-\frac{13}{5}[/tex]

Our answer is A.

Answer:

A

Step-by-step explanation:

I took the quiz!

A gym membership is offered in January for 14.99 per month. If you pay upfront for the year, you are given a 15% discount on the monthly fee. How much money will you save after a year by paying upfront rather than monthly

Answers

Answer:

$27 approx

Step-by-step explanation:

Given data

Membership fee= 14.99 per month

for a year the fee is 14.99*12= 179.88

discount = 15%

=15/100*179.88

=0.15*179.88

=26.982

Hence for a year, you will save $27 approx

factor the algebric expression 32a+36

Answers

Answer:

a = 1.125

is your compleate full answer

Answer:

the factorised form is 4(8a+9)

I NEED HELP NOW

Mario and Nathan collect model airplanes. Mario's collection is eight less than three times the size of Nathan's collection.

Write an equation to represent the size of Mario's collection in relationship to the size of Nathan's collection.Letm represent the size of Mario's collection and let n represent the size of Nathan's collection.

Answers

Answer:

shouldn't it be 1+1=x(6÷2)

what letter is used to represent scale factor ?

Answers

I'm Super Duper Sorry But Unfortunately I Don't Know The Answer I Need Points Because I Have A Timed Test And I Need Answers For My Questions Again I'm Super Sorry I Wish I Could Help But I'm Desperate. : (  

Maria's Family brought a truck with a value of t dollars when it was first purchased. The value has since decreased by 24%

Answers

Answer:

t - (t x24%)

Step-by-step explanation:

Value of truck at the time of purchase was t dollars

value decreased by 24%

current value = t x 24%

t - (t x 24%).

current value = t -(t x 24%).


Write the equation of the line in slope-intercept form if m = 16 and y-intercept = (0,9) *

Answers

Answer:

y=16x+9

Step-by-step explanation:

y-y1=m(x-x1)

y-9=16(x-0)

y-9=16(x)

y-9=16x

y=16x+9

What is the solution to the system of equations?

{y=5x−10y=−3x+14

Answers

Answer:

x = 3 and y = 5

Step-by-step explanation:

Given equations are :

y=5x−10 ..(1)

y=−3x+14 ...(2)

Subtract equation (2) from (1).

y-y = 5x−10-(−3x+14)

0 = 5x-10+3x-14

0= 8x-24

8x = 24

x = 3

Put the value of x in equation (1).

y=5(3)−10

= 15-10

y = 5

So, the values of x and y are 3 and 5 respectively.

A and b are two similar cylindrical containers surface area of container A : surface are of container b 4:25

Answers

*Complete Question:

A and B are two similar cylindrical containers.

Surface area of container A: surface area of container B = 4:25

Warda fills container A with oil.

She then pours all the oil into container B.

Warda repeats this and stops when container B is full of oil.

Work out the number of times that Warda fills container A with oil.

Answer/Step-by-step explanation:

We are given that the ratio of surface area of cylinder A to cylinder B = 4:25

To find out the number of times Warda fills cylinder A with oil, we need to find the ratio of the volume of cylinder A to cylinder B.

✔️First, find the linear measurement using the ratio of their surface area by taking their square root:

4:25 = √4/√25 = 2/5

Linear measurement of A to B = 2:5

The ratio of their volume = the cube of the ratio of their linear measurement

Thus, the ratio of the volume of A to B = 2³:5³ = 8:125

For Cylinder B to be filled, it would require 125/8 = 15.625 of cylinder A filled with oil. That means Warda would have to fill Cylinder A with oil for approximately 15 times, then an extra fraction of cylinder A to completely fill cylinder B with oil.

Jason predicted that 277 students would attend the school dance. The actual number was 250. What is the precent error of Jason's prediction?

Answers

Answer:

9.7%

Step-by-step explanation:

Given data

Expected value= 277

Actual value= 250

%Error= Actual- Expected/Expected *100

%Error= 250-277/277 *100

%Error= 27/277 *100

%Error= 0.097*100

%Error= 9.7

Hence the error is 9.7%

3
x. 3x²+x-3=0
Find the zeros

Answers

Answer:

The zeroes of this polynomial are [tex]x_{1} \approx 0.847[/tex] and [tex]x_{2} \approx -1.180[/tex].

Step-by-step explanation:

Let [tex]3\cdot x^{2}+x - 3 = 0[/tex], the quickest and most efficient approach to find the zeroes of this second order polynomial is by Quadratic Formula. For all [tex]a\cdot x^{2}+b\cdot x + c = 0[/tex], roots are determined by:

[tex]x_{1,2} = \frac{-b\pm \sqrt{b^{2}-4\cdot a\cdot c}}{2\cdot a}[/tex] (1)

Where [tex]a[/tex], [tex]b[/tex], [tex]c[/tex] are coefficients of the polynomial.

If we know that [tex]a = 3[/tex], [tex]b = 1[/tex] and [tex]c = -3[/tex], then roots of the polynomial are, respectively:

[tex]x_{1,2} = \frac{-1\pm\sqrt{1^{2}-4\cdot (3)\cdot (-3)}}{2\cdot (3)}[/tex]

[tex]x_{1,2} =\frac{-1\pm \sqrt{37}}{6}[/tex]

The zeroes of this polynomial are [tex]x_{1} \approx 0.847[/tex] and [tex]x_{2} \approx -1.180[/tex].

I neee help plz
Solve by factoring.
5c^2 - 31c= 28
The solution is c=
(Simplify your answer.

Answers

the answer is,

[tex]c(5c - 31)[/tex]

Help me with this thanks!

Answers

Answer:

C

Step-by-step explanation:

C is the only one that isn't increasing or decreasing

brainliest?

How much change should you get back if you give the clerk 5 dollars for a box of cereal that cost $2.85

Answers

Answer:

3.15

Step-by-step explanation:

If you take away 2.85 dollars away from 5 dollars you'd get 3.15 dollars

Answer:

$2.15

Step-by-step explanation:

5 - 2.85 is 2.15. So, the amount of change you should receive is $2.15.

Hats Off
The school's baseball team plans on selling hats for a
fundraiser. They have called two companies, who have
each given the team a quote on the cost to make hats.
One company, Flip 'Ur Lid, charges a $24 design fee
and $2 per hat.
Explain how you can calculate the cost of ordering 4
hats

Answers

Answer:

So they have a 24 dollar design fee, and 2 dollars per hat. You have to calculate the cost of 4 hats that are 2 dollars each, plus the design fee of 24 dollars

Step-by-step explanation:

Which set is closed under subtraction?

Answers

Third one is correct

simplify 3xy² - 5x²y - 9xy² - 8x²y - 3x²​

Answers

Answer:

-13x^2y - 6xy^2 - 3x^2

Step-by-step explanation:

Read the power and then check all that apply.

34 = 3 × 3 × 3 × 3

A power is a shorter way to write repeated multiplication.
The base is 3.
The base is 4.
The exponent is 3.
The exponent is 4.
The exponent tells you to multiply the 3 together 4 times.
The exponent tells you to multiply the 4 together 3 times.

Answers

Check all the ones listed below:

1. The base is 3

(you are multiplying 3 four times or 3 to the power of 4 )

2. The exponent is 4

( 3 is the number you are multiplying and the exponent or 4 tells you how many times you multiply the base which is 3)

3. The exponent tells you to multiply the 3 together 4 times

( 3x3x3x3 is multiplying the number 3, 4 times)

Answer:

The answer is A,B,E, and F

Step-by-step explanation:

How do you solve the following equation for x? *

A: Add 2 to both sides to solve for x

B:Subtract 2 from both sides to solve for x

C:Multiply both sides by 2 to solve for x

D:Divide both sides by 2 to solve for x

Answers

Answer:

D: Divide both sides by 2 to solve for x

Step-by-step explanation:

Convert 27 ounces into grams.

Hint: 1 ounce=28.35 grams

Answers

Answer:

765.437 grams

Step-by-step explanation:

as 1 ounce =28.35g

so

27ounce=28.35×27

=765.437

Converting 27 ounces into grams is: 765.437grams.

Here, we have,

given that,

we have to Convert 27 ounces into grams.

we know that,

Since 1 ounce is equal to 28.35 grams.

so, we get,

1 ounce=28.35 grams

all we need to do is to multiply 27 by 28.35 grams.

i.e. 28.35×27 =765.437

The answer will be 765.437grams.

so, we get,

as 1 ounce =28.35g

so, 27ounce=28.35×27 =765.437g

Learn more about the unit conversion here:

brainly.com/question/14350438

#SPJ6

What is the determinant of the coefficient matrix of the system 0 28 130 131

Answers

Answer:

A) No, because the determinant of the coefficient matrix is 0

Step-by-step explanation:

I think tell me if it's right

Answer:

C - 130

Explanation:

Hope you have a great day!

If
f(x) = 2x3 + 6, which function satisfies
(fof-1) (x) = x and
(f-10 f)(x) = x? (1 point)

Answers

Answer:

Both are true.

Step-by-step explanation:

If f(x) = 2x³ + 6

To find the inverse of the given function,

Rewrite the function in the form of an equation,

y = 2x³ + 6

Interchange the variables x and y,

x = 2y³ + 6

Solve for y,

2y³ = x - 6

y = [tex]\sqrt[3]{\frac{(x-6)}{2}}[/tex]

Rewrite the equation in the form of a function,

[tex]f^{-1}(x)={\sqrt[3]{\frac{(x-6)}{2}}[/tex]

[tex](fof^{-1})(x)=f[f^{-1}(x)][/tex]

                  = [tex]2(\sqrt[3]{\frac{(x-6)}{2}})^3+6[/tex]

                  = (x - 6) + 6

                  = x

[tex](f^{-1}of)(x)=f^{-1}[{f(x)][/tex]

                  [tex]={\sqrt[3]{\frac{(2x^3+6-6)}{2}}[/tex]

                  [tex]={\sqrt[3]{\frac{(2x^3)}{2}}[/tex]

                  = x

Therefore, both the statements are true.

6. If rls and mZ1 = 35º, what is mZ2?
2
1
S
please help!!

Answers

Answer:

55

Step-by-step explanation:

along line s, r intersects it, and you can see a right angle

90+35+angle 2 =180

you end up with 55, which is the measure

The answer is 55 this is because it’s a90 degree angle but the 90 degree angle is split so you have to find the other half of the angle so you do 90 minus 35 and you get your answer of 55

Through (0,1) and with slope of 1.5 write an equation

Answers

Answer:

y=1.5x+1

Step-by-step explanation:

The dimensions of a wooden bench shaped like a rectangular prism are 6 feet by 3.5 feet by 2.5 feet. What is the
volume of the bench in cubic feet?
14.75 Ft
® 52.5 ft
© 12 ft?
D 36 ft?

Answers

d it’s is. 12 and 52 i really think so

Answer:

12

Step-by-step explanation:

The school sells 240 cookies. ¼ of the cookies had chocolate chips, ½ of the remaining cookies had raisins, and the rest were peanut butter. How many cookies were peanut butter?

Answers

Answer:

90 peanut butter

Step-by-step explanation:

Total number of cookies [tex]=240[/tex]

Number of chocolate cookies [tex]=\frac{1}{4}(240)=60[/tex]

Therefore,

Number of remaining cookies [tex]=240-60=180[/tex]

Number of raisins [tex]=\frac{1}{2}(180)=90[/tex]

So,

Number of peanut butter [tex]=180-90=90[/tex]

someone please help

Answers

Answer:

[tex]\displaystyle B \approx 36.87^\circ[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right  

Equality Properties

Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of Equality

Trigonometry

[Right Triangles Only] SOHCAHTOA [Right Triangles Only] cosθ = adjacent over hypotenuse

Step-by-step explanation:

Step 1: Identify Variables

Angle θ = B

Adjacent Leg = 4

Hypotenuse = 5

Step 2: Solve for θ

Substitute in variables [cosine]:                                                                     [tex]\displaystyle cosB^\circ = \frac{4}{5}[/tex][Equality Property] Trig inverse:                                                                    [tex]\displaystyle B^\circ = cos^{-1}(\frac{4}{5})[/tex]Evaluate:                                                                                                            [tex]\displaystyle B = 36.8699^\circ[/tex]Round:                                                                                                              [tex]\displaystyle B \approx 36.87^\circ[/tex]

Please help I have no clue how to do it


A rectangular cake pan is 13 inches by 9 inches by 2 inches. A round cake pan has a
diameter of 8 inches and a height of 2 inches. Which will hold more batter, one
rectangular pan or two round pans?

Answers

Answer:

The rectangular pan will hold more batter

Step-by-step explanation:

To find the volume of a rectangular prism, such as the first cake pan, you need to multiply all of the dimensions. The equation looks like this: "V = l * w * h" substituting the variables with the numbers would make it say "13 * 9 * 2" which would be 234 [tex]in^{3}[/tex]

To find the volume of a cylinder, the equation is "V=π[tex]r^{2}[/tex]h". The radius is half the diameter, so "r" would be 4, being half of 8. The substituted equation would read "π[tex]4^{2}[/tex]2", making the cylinder's volume roughly 100.53 [tex]in^{3}[/tex]

When you take those two numbers, you are able to see that 234 is bigger than 100.53, therefore making the rectangular pan larger.

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