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2 years ago

11

What is the area of the trapezoid? A trapezoid has a base of 12 centimeters, a height of 16 centimeters, and a top side length o

f 10 centimeters.

2 answers:

exis [7]2 years ago

5 0

16 +160 so 176 because two triangles put together to make 16 and then just 16 x 10

Oliga [24]2 years ago

5 0

Answer:

on edge its ur cool

Step-by-step explanation:

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Identify the constant of proportionality for each direct variation below.

andriy [413]

Answer:

see explanation

Step-by-step explanation:

The equation of 2 quantities in direct proportion is

y = kx ← k is the constant of proportionality

1

y = - 4x ← in standard form

with k = - 4

2

$\frac{y}{x}$ = 2 ( multiply both sides by x )

y = 2x ← in standard form

with k = 2

3

$\frac{x}{y}$ = 3 ( multiply both sides by y )

x = 3y ( divide both sides by 3 )

$\frac{1}{3}$ x = y ← in standard form

with k = $\frac{1}{3}$

3 0

2 years ago

Three boxes are given and we have to fill it with odd no till 15 and result will is 30 plzz give my answer very fast plzzzz its

Tomtit [17]

Can you restate the question I'm having a hard time understanding what your asking?

4 0

2 years ago

What’s the square root of 13 to the nearest integer

Marianna [84]

Answer:

4

Step-by-step explanation:

First off, integers are Whole Numbers (1,2,3,4, etc), so we are rounding the answer to the nearest whole number.

The square root of lets just say 25 means you are finding a number that multiplied by itself will equal 25 (the answer is 5).

Now for 13, there is no perfect square, however the closest whole number that multiplied by itself to 13 is 4.

4*4= 16

3*3=9

5*5=25

As you can see above 4 is the closest number to 13.

Now, the ACTUAL value of the square root of 13 is 3.60555128, but we are rounding up to the nearest whole number which is 4 :)

4 0

3 years ago

Pls help, needed asap. Thank you and can you explain, im having troubles

Step2247 [10]

Step-by-step explanation:

(I'll be adding more answers to this answer soon!)

Alright, let's start off with the first question. :)

So, the entire length of AC is 60.

AB + BC = AC, as you can infer from the diagram.

We know that AB is 2x + 8, and AC is 3x + 7.

So,

2x + 8 + 3x + 7 = 60.

Now, we can simply evaluate for x:

Combine the like terms to get 5x + 15 = 60

Subtract 15 to get 5x = 45

Divide by 5 to get the first question's answer as x = 5 :)

------

Time for the second question!

AD is a straight angle. If an angle is straight, it measures 180 degrees. So,

AD = 180

From the diagram, we can tell that x+17 and 5x+13 add up to 180.

x + 17 + 5x + 13 = 180

Now, we can simply solve for x!

6x + 30 = 180

6x = 180 - 30 = 150

x = 150 / 6 = 25

So, we get x = 25 as the answer to the second question! :)

8 0

2 years ago

F(x) = -3x2 Find f(-2)

Serga [27]

Answer:

Step-by-step explanation:

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

evaluate:

f(-2)=3x2^2

multiple:

f(-2)=3x4

solution

f(-2)=12

8 0

3 years ago