MATHEMATICS HIGH SCHOOL

What value is equivalent to 13 − 2(1 − 15) ÷ 4?A) -38.5
B) -26
C) 7.25
D) 20

Answers

Answer 1

Answer:

Answer:

D 20

Step-by-step explanation:

13 − 2(1 − 15) ÷ 4

PEMDAS says parentheses first

13 − 2(-14) ÷ 4

Then multiply and divide from left to right

13 +28 ÷4

13+7

Then add and subtract

Answer 2

Answer:

Answer:

D. 20

Step-by-step explanation:

Follow PEMDAS

- Hope that helps! Please let me know if you need further explanation.

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find the zeros of the polynomial x square-3 and verify the reationship between the zeros and the coefficient.
The length of an arc of a circle is equal to 1/5 ofthe circumference of the circle. If the length of the arc is 2π, the radius of the circle is

This is the formula which I am asking you all

Answers

Answer:

That is literally still the same formula for mean.

Step-by-step explanation:

Work out the value of x in this quadrilateral.

Answers

Lets do this! :D
Alright! So first, you want to focus on that angle on the bottom left on the polygon. Because it is straight angle and you know that the angle adjacent to it is 180-x, that means that the angle of the polygon is x

Now, to solve for x, add all of the angles up in the polygon. Since all quadrilaterals' angles add up to 360, we can make this equation equal to 360. So that gives us:

2x+x+x+18+90=360

Now just simplify

4x+108=360
4x=252
x=252/4
x=63

Therefore, x=63

Hope this helped! :D

Can someone help me with this one.i will give you a brainlist if you give the answers. thanks!

Answers

Answer:

A= 115

B= 65

C= 90

D= 65

E= 15

F= 90

Step-by-step explanation:

If you need explanations, tell me.

Y=2x squared +4x-1 . help me

Answers

Answer:

y = 9/8 for part one of solving y in this equation .

Step-by-step explanation:

Answer:

x= (√2y+6/2)-1

Step-by-step explanation:

Swap sides so that all variable terms are on the left hand side.

2x^2+4x−1=y

Subtract y from both sides.

2x^2+4x−1−y=0

Using quadratics formula:

x=-4±√4²-4*2(y-1)/2*2

x= −4±2√2y+6/4

Next solve the equation by using either ± = subtraction or addition

I am using ± = addition. This means I add -4 to 2. From there I simplify equation.

x= (√2y+6/2)-1

Not sure if this means to find x, but I think this is what it would be.

The art room at a school is made up of three sections: a pottery section, a painting section, and a sculpture section. Complete questions 6–7 below. LOADING... Click the icon to view the diagram of the art room. 6. Artwork will be on display for an art show in all sections of the art room except the sculpture section. How much space is available for the art show?

Answers

Answer:

Step-by-step explanation:

huh huh huh huh whatttttttttttttt

Final answer:

The space available for the art show in the school's art room is the sum of the space allocated for the pottery section and the painting section. Exact values can't be provided without more information or diagrams.

Explanation:

To determine the amount of space available for the art show in the school's art room, we need to add together the space allocated for the pottery section and the painting section. Unfortunately, without more information or diagrams indicating the exact dimensions or square footage of these areas, we cannot provide a numerical answer. However, remember that when you have the information, you simply add the space of the pottery section to the space of the painting section to get the total art show space.