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Feliz [49]
3 years ago
7

Brian is adding the lengths of wood posts that he has left from building a pen for his chickens.

Mathematics
1 answer:
abruzzese [7]3 years ago
4 0

Answer:

use a calculator

Step-by-step explanation:

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Find the value of the variable.
Luba_88 [7]

Answer:

sin 30=14/x

x=14*2

x=28

and

x=√{28²-14²}

x=14√3

7 0
3 years ago
Si el perímetro de el siguiente paralelogramo mide 80 M cuanto mide la base cuanto mide la altura y cuanto mide el área
topjm [15]

Answer:

<h2>The area of the parallelogram is 300 square meters. Its height (length) is 30 meters and its width is 10 meters.</h2>

Step-by-step explanation:

Assuming that the parallelogram is a rectangle, its perimeter would be defined as

P=2(w+l)

Where w is the width and l is the length.

But, P=80 \ m, so

80=2(w+l)\\w+l=40

Which means the sum of its dimensions is 40 meters.

Easily, its dimenions can be 10 meters and 30 meters.

So, its area would be

A= w \times l = 10 \times 30 = 300 \ m^{2}

Therefore, the area of the parallelogram is 300 square meters. Its height (length) is 30 meters and its width is 10 meters.

3 0
3 years ago
What is the value of the expression 3^-4?
serious [3.7K]
3^{-4} = \frac{1}{3^4} =\frac{1}{3\times 3\times 3 \times 3} =\frac{1}{9 \times 9} =\boxed{\bf{\frac{1}{81}}}

Your answer is D. 1/81
3 0
3 years ago
Matthew scored a total of 168 points in basketball this season. He scored 147 of those in the regular season, and and the rest w
MaRussiya [10]

Answer:

12.5%

Step-by-step explanation:

Step1. Determine the points Matthew had during playoff by subtracting points made during regular season from total points in season.

   168 points this season

-   <u>147 points regular season </u>

    21 points scored in playoff

Step 2. Get the percentage, by dividing playoff points over total points in season

21 ÷ 168 = 0.125

Step 3. Multiply it by 100 to get the percentage equivalent from decimal.

0.125 x 100% = 12.5%

7 0
3 years ago
Evaluating numeric expressions <br> 16^5/4X16^1/4/(16^1/2)^2=?
Sever21 [200]

Answer: 2^14

Step-by-step explanation:

7 0
3 years ago
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