3 years ago

Simplify start-fraction 2 over start root 5 end root end-fraction

Mathematics

1 answer:

Lerok [7]3 years ago

7 0

Answer:

Hope this helps

Step-by-step explanation:

Please give brainliest

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(2x +1) -7 (-6x+9) what is the answer if using the Distributive Property?

Margarita [4]

Answer:

Step-by-step explanation:

Distributive property: a(b +c) = a*b + a*c

(2x + 1) - 7(-6x + 9) = (2x + 1) + (-7)*(-6x) + (-7)*9

= 2x + 1 + 42x - 63 {Combine like terms}

= 2x + 42x + 1 - 63

= 44x - 62

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3 years ago

Is Q the midpoint or PR? please justify the answer

mezya [45]

Since PQ=PR
=> Q is the midpoint of PR
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3 years ago

The perimeter of a rectangular playgroundis 46m. If the length of the park is 7m, what is the width of the park ?

Vikki [24]

Answer:

Step-by-step explanation:

7m + 7m = 14m

46m - 14m = 32m

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3 years ago

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Juliette [100K]

Answer:

0.207

Step-by-step explanation: MARK ME BRAINless

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3 years ago

Find the length of the leg a of a right triangle with leg length b = 21.5 inches and the hypotenuse c = 31.9 inches. Use a calcu

mylen [45]

The length of the leg a of the right triangle is obtained by applying the Pythagorean theorem which is given as:

$\text{opposite}^2+adjacent^2=hypothenus^2$

Thus, we have that:

$a^2+b^2=c^2$

Given that b = 21.5 inches and c = 31.9 inches, we now have:

$a^2+(21.5)^2=(31.9^2)$ $a^2+462.25=1017.61$ $a^2=1017.61-462.25$ $a^2=555.36$ $\begin{gathered} a=\sqrt[]{555.36}=23.57 \\ \Rightarrow a=23.6\text{ inches (to one decimal place)} \end{gathered}$

Therefore, the length of the leg a of the right triangle is 23.6 inches

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1 year ago