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Oxana [17]
3 years ago
8

Need help on #18 & #19 please

Mathematics
1 answer:
aliina [53]3 years ago
3 0

Answer:

18: x=2 y=2.5

19: y = 0.5

Step-by-step explanation:

2(2)=4

2.5(2)=5

4+5=9

2×0.5=1

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How do you find the square root of a fraction? For example: what’s the square root of 115/100
Bingel [31]

Answer:

Take the square roots of the numerator and denominator separately.

Explanation:

y = \sqrt{\frac{115 }{100}}

y = \frac{\sqrt{115} }{10}

===============

If your instructor wants a decimal answer, take the square root of the numerator.

\frac{\sqrt{115} }{10} = \frac{10.72}{10}

\frac{\sqrt{115} }{10} = 1.072

4 0
3 years ago
Answer the question please i need help
mihalych1998 [28]

Answer:

112

Step-by-step explanation:

28x4

If hes moving 28 feet every minute then after 4 minutes he would have moved the answer. so it would be 28x4=112

4 0
3 years ago
-3+8x-5=-8 solve for x
Scrat [10]
Do you have any options? If not, try going with this method to help you understand this problem a little bit better :) Here we go! 

-3 + 8(x) - 5 {-8} = ? 

8(x) = ? You have to solve this to make it more "easier" if that makes sense
             
              From the looks of it you have to divide by the number, which we call 8

Since, we have only one solution in this problem, the value of "x" is 0 
x  = 0 

And not all one solution problem(s) always equal "0". .. it can equal any number sometimes 

Good Luck! 
4 0
4 years ago
Pleaseee help me solve this
lapo4ka [179]

Answer:

f(x)=x² +3x-x/2

f(6)=(6)²+3(6)-6/2

= 36 + 18 -3

=51

8 0
3 years ago
Read 2 more answers
What is the amount of snow that can be placed in this globe if it is 4.7 inches wide?
zepelin [54]

Answer:

The awnswer is D. 54.3in^3

Step-by-step explanation:

7 0
3 years ago
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