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scoundrel [369]
3 years ago
5

Find the area? Show work

Mathematics
1 answer:
Ivenika [448]3 years ago
4 0

Answer:

294 square units

Step-by-step explanation:

35^2-21^2=a^2

a^2=784

square root 784=28

21*28/2=294

Answer=294

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Of the 21 children at a park, 5 of them are playing on the swings. What is the approximate
Bond [772]

The Answer Is B

Use proportions to find x% of the children playing on the swings.

\frac{21}{100}  =  \frac{5}{x\%}

x  = 23.80952380\%

Meaning B is correct.

3 0
3 years ago
Solve the proportion below. 7/x=19
alexgriva [62]

Answer:

The value of x is approximately 0.3684.

Step-by-step explanation:

Given:

\frac{7}x}=19

We need to solve the proportion.

Solution:

Now we can see that;

In given equation one number is fraction and other number is whole number.

Now To make whole number into fraction we will divide by 1.

hence the whole number will be equal to;

19=\frac{19}{1}

Now the new equation will be;

\frac{7}{x}=\frac{19}{1}

Now by cross multiplication we get;

7\times1=19\times x\\\\7=19x

Now dividing both side by 19 we get;

\frac{7}{19}=\frac{19x}{19}\\\\x\approx0.3684

Hence the value of x is approximately 0.3684.

6 0
4 years ago
1+4.25n+3/2p-3+(-2p)+5/4n
alex41 [277]

Answer:

11/2n+-1/2p-2

Step-by-step explanation:

simplification

3 0
3 years ago
What is 1 half subtract 1 tenth
Anna [14]
To solve for \frac{1}{2}- \frac{1}{10} You first need to find a common denominator.

To do so, you need to make both denominators 10 by multiplying the top and bottom of \frac{1}{2} by 5

\frac{5}{10}- \frac{1}{10}=\frac{4}{10}    Reduce by dividing both the top and bottom by 2

Your answer is \frac{2}{5}
8 0
3 years ago
Read 2 more answers
Number 19 please and thank you.
krok68 [10]

Answer: Sir/Ma´am/Person, it doesnt show.

Step-by-step explanation: Im on an computer and it wont show, ive tried putting it in different tabs..nothing seems to be functional. Maybe its my computer? If it isnt, heres a heads up: it could be a unrecognized file if thats what it told you somehow before you did that?  But thats all i wanted to type. Enjoy your day.

3 0
3 years ago
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