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lord [1]
3 years ago
9

7th grade math please help me will give brainliest

Mathematics
2 answers:
Alecsey [184]3 years ago
8 0

Answer: 67.27

Step-by-step explanation:

7.1 x 7.1 for the square = 50.41

7.1 divided by 2 = 3.55

3.55 x 4.75= 16.86

Normally here you would divide by 2, but you don’t need two because there is 2 triangles that are the same

Add the 50.41 and the 16.86 and you have your answer!

KiRa [710]3 years ago
5 0

Answer:

16.86 square units

Step-by-step explanation:

I think this is the answer.

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If a man earns $420 interest in one year at 7%, what was the amount of money invested?
nordsb [41]
I(interest)=P(princple)R(rate)T(time)
I=420*.07*1=$29.4
A is correct.
Peace.
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3 years ago
What is 2 1/3 multiplied by 5 1/3 as a mixed number or fraction
snow_tiger [21]

First we must convert the mixed numbers to the improper fractions:

2\dfrac{1}{3}=\dfrac{2\cdot3+1}{2}=\dfrac{7}{3}\\\\5\dfrac{1}{3}=\dfrac{5\cdot3+1}{3}=\dfrac{16}{3}


2\dfrac{1}{3}\cdot5\dfrac{1}{3}=\dfrac{7}{3}\cdot\dfrac{16}{3}=\dfrac{7\cdot16}{3\cdot3}=\dfrac{112}{9}=\dfrac{108+4}{9}=12\dfrac{4}{9}\\\\Answer:\ \boxed{2\dfrac{1}{3}\cdot5\dfrac{1}{3}=12\dfrac{4}{9}}

6 0
3 years ago
Find the solution to the following problem:<br> 16 = X – 7<br> X=??
Darya [45]

Answer:

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Step-by-step explanation:

3 0
3 years ago
How tall is a building that casts a 71-ft shadow when the angle of elevation of the sun is 29 degrees.Round to the nearest foot
skad [1K]

Solution

We will draw a diagram to illustrate the information

Using the concept of SOHCAHTOA

We are given adjacent and we want to find opposite

\begin{gathered} tan\theta=\frac{opposite}{adjacent} \\ tan29=\frac{H}{71} \\ cross\text{ multiply} \\ H=71tan29 \\ H=39.35594265 \\ H=39ft \end{gathered}

Therefore, the answer is

undefined

6 0
2 years ago
EXPERTS/ACE (and people that know it for sure comment) Brainiest Marked to the first correct answer
MatroZZZ [7]
Greetings!

There is only one Solution to the system of equation as there is only one POI (Point of Intersection.)

Hope this helps.
-Benjamin
4 0
3 years ago
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