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3 years ago

Simplify the given rational expression by

Mathematics

2 answers:

riadik2000 [5.3K]3 years ago

6 0

Answer:

C. 5c^2 (1-3c) / 5c^2 (4d+5)

the next one is 1-3c / 4d+5

Step-by-step explanation:

just did it on edge

wariber [46]3 years ago

5 0

Answer:

Third option!

Step-by-step explanation:

factor out the 5!

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Divide thirty-one point five by ten

Nutka1998 [239]

3.15 will be your answer i am very sure of that

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2 years ago

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Which is the best approximation for sqrt 55 A) 7 B) 7 2/5 C) 7 7/15 D) 8

Kitty [74]

The best approximation for sqrt 55 would be: B) 7 2/5

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2 years ago

Solve for q. –10 + 10q = 9q

Kitty [74]

Answer:

q= 10

Step-by-step explanation:

9q - 10q = -10

-q = -10

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2 years ago

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ioda

3) Brett arrives 2 hours later than Lionel.

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3 years ago

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29. Find the height of the trapezoid. Use this height to find the area. (A =

harkovskaia [24]

Answer:

The area of the trapezium is 168

Step-by-step explanation:

Area of a Trapezoid

Given a trapezoid of parallel bases b1 and b2, and height h, the area is calculated with the formula:

$\displaystyle A=\frac{b_1+b_2}{2}h$

The trapezoid in the figure has b1=15 and b2=27. We need to find the height. If we focus on triangle BCD, we can calculate the height as the distance EC by using the Pythagora's Theorem:

$10^2=EC^2+BC^2$

The side BC can be found as half the difference of the bases:

$BC=\frac{27-15}{2}=6$

Solving for EC:

$EC^2=10^2-6^2=100-36=64$

$EC=\sqrt{64}=8$

Now we have the height, calculate the area:

$\displaystyle A=\frac{15+27}{2}*8$

$\displaystyle A=\frac{42}{2}*8$

A = 168

The area of the trapezium is 168

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2 years ago