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Mars2501 [29]
3 years ago
15

The area of a trapezoid is calculated using the formula below, where A is the area of the trapezoid, b1 and b2 are the bases of

the trapezoid, and h is the height of the trapezoid. Rewrite the formula to find the base b2.
Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
8 0

2(\frac{Area}{h} ) - b1 = b2

Step-by-step explanation:

The formula for calculating the area of a trapezoid is the following.

Area = \frac{b1+b2}{2} * h

What we are asked to find is the formula for finding b2. We can do this by rearranging the Area formula and getting b2 by itself on one side.

Area = \frac{b1+b2}{2} * h

\frac{Area}{h} = \frac{b1+b2}{2} .....divide h on both sides

2(\frac{Area}{h}) = b1+b2 .... multiply 2 on both sides

2(\frac{Area}{h} ) - b1 = b2 ....subtract b1 on both sides

Now we have b2 by itself on one side and the formula is rewritten to solve for b2.

andre [41]3 years ago
7 0

Answer:

b2=2(A)/h -b1

Step-by-step explanation:

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In ΔDEF, the measure of ∠F=90°, DF = 24, FE = 7, and ED = 25. What ratio represents the sine of ∠E?
kumpel [21]

Answer:

24/25

Step-by-step explanation:

In this triangle DF and FE are legs (because they form the right angle) , ED is the hypotenuse (it is the largest side, it is opposite to the right angle).

son of E is the ratio of the leg opposite to the angle E (DF) to the hypotenuse

it is 24/25

4 0
2 years ago
Help me answer 2/9 divided by 1/6
Zigmanuir [339]

1.33333

Step-by-step explanation:

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3 0
3 years ago
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Of 30 students, 1/3 play sports. Of those who play sports, 2/5 play soccer.
lana [24]

Answer: 10 or 12

Step-by-step explanation:

6 0
3 years ago
7x-11=5(x-2)+2x-1= ?​
yan [13]
0 = 0


Simplifying
7x + -11 = 5(x + -2) + 2x + -1

Reorder the terms:
-11 + 7x = 5(x + -2) + 2x + -1

Reorder the terms:
-11 + 7x = 5(-2 + x) + 2x + -1
-11 + 7x = (-2 * 5 + x * 5) + 2x + -1
-11 + 7x = (-10 + 5x) + 2x + -1

Reorder the terms:
-11 + 7x = -10 + -1 + 5x + 2x

Combine like terms: -10 + -1 = -11
-11 + 7x = -11 + 5x + 2x

Combine like terms: 5x + 2x = 7x
-11 + 7x = -11 + 7x

Add '11' to each side of the equation.
-11 + 11 + 7x = -11 + 11 + 7x

Combine like terms: -11 + 11 = 0
0 + 7x = -11 + 11 + 7x
7x = -11 + 11 + 7x

Combine like terms: -11 + 11 = 0
7x = 0 + 7x
7x = 7x

Add '-7x' to each side of the equation.
7x + -7x = 7x + -7x

Combine like terms: 7x + -7x = 0
0 = 7x + -7x

Combine like terms: 7x + -7x = 0
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Solving
0 = 0

3 0
3 years ago
What is the volume of a cylinder with the base radius of 10 units and a height of nine units?
Otrada [13]

Answer:

V = 2827.43\ units^3  or V = 900\pi\ units^3

Step-by-step explanation:

The volume of a cylinder is calculated by the following formula

V = \pi r^2 *h

Where r is the radius of the cylinder and h is the height

In this case we know that the radius r of the base is:

r=10\ units

and

h=9\ units

So the Volume is:

V = \pi (10)^2 *9

V = 900\pi\ units^3

V = 2827.43\ units^3

7 0
3 years ago
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