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german
3 years ago
12

What is the value of the expression? - 16+ 12 A. -28 B. -4 C. 4D. 28​

Mathematics
1 answer:
mixer [17]3 years ago
7 0

Answer:

B.  -4

Step-by-step explanation:

-16 + 12 = -4

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Find the length of the missing side in the figure below. a = _______ cm.
WITCHER [35]

Answer:

\frac{2 \sqrt{177} }{5}

or

5.32cm correct to 2 decimal places

Step-by-step explanation:

This is a right angled triangle from what I know so we have to apply pythagoras theorem.

{7.1}^{2}  =  {a}^{2}  +  {4.7}^{2}

we need to rearrange this to find a²

{a}^{2}  =  {7.1}^{2}  -  {4.7}^{2}

a =  \sqrt{ \frac{708}{25} }

This can either be written as a fraction or decimal.

a =  \frac{2 \sqrt{177} }{5}

OR

a = 5.32

correct to 2 decimal places

5 0
2 years ago
What is the estimate of 5.26 ➕ 9.75?
Lelechka [254]
5.26 + 9.75
= 15.01
= 15
7 0
3 years ago
D
Ber [7]

Answer:

The answer would be B 35.

Step-by-step explanation:

34 is closest to 35.

4 0
3 years ago
A produce company sells crates filled with a mixture of apples and oranges during the holiday season to grocery stores. Each cra
lawyer [7]

Answer: B)a + o = 72 a = o + 8

Step-by-step explanation: hopes this helps:))

4 0
2 years ago
What is 26 percent of 2.21
Rashid [163]
You have to do mutiplication. how do you know that you have to do mutiplcation because the (of) it means times. so  26 * 2.21 = 0.5746
         2.21/x=100/26
<span>(2.21/x)*x=(100/26)*x      </span>
<span>2.21=3.8461538461538*x      
</span>(3.8461538461538) to get x
<span>2.21/3.8461538461538=x </span>
<span>0.5746=x </span>
<span>x=0.5746</span>
7 0
3 years ago
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