Which expression can be used to check the answer to 56=(-14)=-4?
- 14x-4
-4=(-14)
56x(-14)
-4--56

Answer:

Negative

Step-by-step explanation:

It's negative because there are 59 negatives and 8 positives. Since there are more negatives the sum is negative.

-59+8 = -51

Hope this helps ya!

Answer:

61 boys

Step-by-step explanation:

x=girls

2x+5+x=89

3x+5=89

3x=84

x=28

28 x 2 = 56

56+5=61

The number of boys in the band will be 61.

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Given that there are 89 students in the Oakwood Middle School band. The number of boys in the band is 5 more than twice the number of girls.

The equation can be formed as below,

2x+5+x=89

3x+5=89

3x=84

x=28

The number of boys will be,

B = 2x + 5

B = 28 x 2 + 5

B = 56+5=61

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56

20/35 = 35/x

20x = 32(35)

Divide both sides by 20 to solve for x

X = 1120/20

X = 56

The missing side length of the given image is 56 so x = 56 will be the correct answer.

A line section that can connect two places is referred to as a segment.

Lines are very useful and common in geometry we daily use them.

The line is here! It extends endlessly in both directions and has no beginning or conclusion.

In other words, the line is a straight figure which has zero width and infinite length but if we take a segment then it is called a line segment which will be finite.

Given in the image 3 lines are parallel and intersect two lines that are randomly inclined.

Let's say the missing length is x

By geometrical similarity rule

x/32 = 35/20

x = 32 × 35/20

x = 56 hence 56 will be the missing side length of the given figure.

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Answers & Explanations:

The answer to A. is incorrect.

The answer to B. is correct.

The answer to C. is incorrect.

The answer to D. is incorrect.

The answer to E. is correct.

The answer to F. is correct.

hope this helps :)

The expression √(75/15) is equivalent to √(15/3), √5, and √(25/5). Then the correct options are B, E, and F.

The equivalent is the expressions that are in different forms but are equal to the same value.

The expression is given below.

⇒ √(75/15)

Simplify the expression, we have

⇒ √(15/3)

⇒ √5

Or √(25/5)

Then the correct options are B, E, and F.

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Answer:

A. y = 1.5m + 7

B. at 7 months the baby will weigh 17.5 pounds

C. Since the baby is born weighing 7 pounds, at 0 months he will weigh 7 pounds. This tells us that the y-intercept will be seven. And since the baby is gaining 1.5 pounds every month, this means that the slope will be 1.5 and m will be the x of our y = mx + b equation. For part B, we simply plug in 7 to m and solve by multiplying 1.5 and 7 to get 10.5, then adding 7 to get 17.5.

Answer:

x12

Step-by-step explanation:

Answer:

You would need about 13 eggs.

Step-by-step explanation:

216 cookies would be taking the original recipe and making 4 and a half batches. So we multiply 3 by 4.5 to get 13.5.

Answer:

75%

Do you need the work

Answer:

Third one: 2(2a-3b+c)+c

Step-by-step explanation:

Hope this helped:)

Answer:

3 hours

Step-by-step explanation:

11 / 33 =3

11 x 3 = $33

Answer:

3

Step-by-step explanation:

If brody earns $11 for each hour, and ends up with a total of $33 dollars, use the 11x=33. x= the amount of hours he worked. Move the 11 over to the other side by dividing each side by 11. Then 33 divided by 11 is 3 so x=3.

Step-by-step explanation:

4m−3(2m+1)

Distribute:

=4m+(−3)(2m)+(−3)(1)

=4m+−6m+−3

Combine Like Terms:

=4m+−6m+−3

=(4m+−6m)+(−3)

=−2m+−3

Answer:

=−2m−3

Answer:

-2m-3

Step-by-step explanation:

leave 4m alone in the beginning

distribute -3 to 2m and 1

-3(2m+1)

(-6m-3). Then put the 4m behind the 6

4m-6m-3(subtract like terms)

-2m-3 (final answer)

Answer:

Positive, Negative, One negative and one positive

Step-by-step explanation:

a refers to whether the parabola opens upwards/downwards

c refers to y-inercept

solutions to the curve is dependent on the x intercepts

This question demands knowledge on quadratic graphs. If you would like to venture further, you can check out my Instagram page (learntionary). I posts math tips and notes. Thanks!

The true statements are:

The equation is given as:

[tex]\mathbf{y =ax^2 + bx + c}[/tex]

The graph is an illustration of a parabola.

When a parabola opens up, then the value of (a) is positive

c represents the y-intercept i.e. the point where the graph crosses the y-axis.

From the sketch, the graph cross the y-axis below the origin.

So, the value of (c) is negative

The graph crosses the x-axis, at either sides of the origin.

So, the solutions are one negative and one positive.

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Answer:

O Yes, (0, 2) is a solution

Step-by-step explanation:

The Solution of an Equation

Given the equation

-2x + y = -1

An ordered pair (a,b) is a solution of the equation if

-2a + b = -1

Let's test the point (0,2) to check if it's a solution of the equation:

Replacing x=0, y=-1

-2(0) + (-1) = -1

0 - 1 = -1

-1 = -1

Since the equation is satisfied, the pair (0,2) is a solution.

Answer: O Yes, (0, 2) is a solution

Answer:

No, (0, 2) is not a solution.

Step-by-step explanation:

I did the test

Answer:

i dont even know chife

Step-by-step explanation:

Answer:

The statements which are true:

A. Line 4y = −16 is horizontal.

B. Line 3x = 27 is vertical.    

D.  For either line, one of the coordinates of all the points is always the same value.                

Answer:

Answr is: -2

Step-by-step explanation:

On the coordinate grid, the value of x when f(x)=1 is A

The graph is given as:

y = f(x)

When f(x) = 1, we have:

y = 1

On the coordinate grid,

When y = 1, the value of x is 3

Also, the point A is located at (3,1)

Hence, the value of x when f(x)=1 is A

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Answer:

2

Step-by-step explanation:

Because for any value of the variable, the equation is true and it follows that there are infinitely many solutions ( values ) that satisfy the equation.

What is infinite solution of any variable?

In any equations, any value for the variable makes the equation true or we can say that an equation has infinitely many solutions if you try to solve the equation and get a variable or a number equal to itself.

Now,

For any value of the variable, the equation is true and it follows that there are infinitely many solutions ( values ) that satisfy the equation.

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You meant to say x^2 - 49 and the second binomial is x^2 - 16.

x^2 - 49 = (x - 7) (x + 7).

Set each factor to 0 and solve for x individually.

x - 7 = 0

x = 7

x + 7 = 0

x = -7

Do the same for x^2 - 16.

Here is the set up:

x^2 - 16 = (x - 4) (x + 4).

Take it from here.

Answer:

when u subtract fractions u have to make sure they have a common denominator so u can subtract evenly so say I have 2/5 - 4/6 i have to make a common  denominator of 30 so the 2/5 would turn to 12/30 and the 4/6 would be 20/30 then you do 20-12 to get 8/30 and with mixed fractions u do the same exept  multiply the denominator by the whole then add the neumorator to the number u just got and add them together and then subtract.  

hope this helped :)    

Step-by-step explanation:

Answer:

Option (D)

Step-by-step explanation:

Formula to calculate the final amount after 't' years is,

A = [tex]P(1+\frac{r}{n})^{nt}[/tex]

Here P = Initial amount

r = rate of interest

n = number of times compounding done

t = duration of investment

For A = $8000

r = 0.06

t = 10 years

n = 12 (compounded monthly in a year)

Therefore, final amount = [tex]8000(1+\frac{0.06}{12})^{12\times 10}[/tex]

                                        = [tex]8000(1+0.005)^{120}[/tex]

                                        = [tex]8000(1.005)^{120}[/tex]

                                        = 8000(1.8194)

                                        = $14555.17

Therefore, Option (D) will be the answer.

Answer:

the answer is d

Step-by-step explanation:

$14,555.17

9514 1404 393

Answer:

  350,000

Step-by-step explanation:

The vertex of the quadratic ax²+bx+c is located at x=-b/(2a). For the given profit function, the number of units (x) that will produce maximum profit is ...

  x = -(140)/(2(-0.0002)) = 1,400,000/4

  x = 350,000

350,000 units should be sold to maximize profit.

Answer:

-13

Step-by-step explanation:

The x-intercepts of the graph of the quadratic function is 1, 3.

A quadratic equation is an algebraic equation of the second degree in x. The quadratic equation in its standard form is ax² + bx + c = 0

Now the quadratic function is,

y = x² - 4x + 3

Now for x-intercepts, y = 0.

⇒ x² - 4x + 3 = 0

Factoring we get,

⇒ x² - 3x - x + 3 = 0

⇒ x(x - 3) - 1(x - 1) = 0

⇒ (x - 1) (x - 3) = 0

Thus we get,

x = 1, 3

this is the required x-intercepts of the graph of the quadratic function.

Thus, the x-intercepts of the graph of the quadratic function is 1, 3.

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Answer:

130 to 100

Step-by-step explanation:

Answer: 130 to 100

Step-by-step explanation:

Answer:

4 months

Step-by-step explanation:

Franco's provider = 60 + 42.95x

Marshal's provider = 57.95x

Where,

x = number of months

Equate both charges

Franco's provider = Marshal's provider

60 + 42.95x = 57.95x

Subtract 42.95x From both sides

60 + 42.95x - 42.95x = 57.95x - 42.95x

60 = 15x

Divide both sides by 15

60 / 15 = 15x / 15

4 = x

x = 4 Months

Franco and Marshal would have paid the same amount for high-speed Internet service after 4 months