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3 years ago

Convert 11.42424242 … to a rational expression in the form of , where b ≠ 0.

Mathematics

1 answer:

statuscvo [17]3 years ago

4 0

I think it is the second one but im not for sure

I hope that helped you

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Simplify using appropriate identity 0.85 × 0.85 +2 × 0.85 ×0.15 × 0.15

spayn [35]

The answer is 0.76075!

Hope this helps!

7 0

3 years ago

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What’s the answer to this?!!

Basile [38]

I think it’s 18/5 maybe idk try it!

8 0

3 years ago

Answer number one please

tankabanditka [31]

Answer:

-3 + 6 = -3

Step-by-step explanation:

add the terms -3 and 6

exponent law

6 0

3 years ago

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Please help if you can:)

Zepler [3.9K]

87.41898806% or 87% is what i got

4 0

4 years ago

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

5 0

3 years ago