3 years ago

What's the number in between numbers -10 and 70?

Mathematics

2 answers:

damaskus [11]3 years ago

7 0

Answer:

$80$

Step-by-step explanation:

$the \: number \: between \: (-10) \: and \: ( 70) \: \\ is \: same \: as \: (70) - ( - 10) = 70 + 10 \\ ans = 80$

Feliz [49]3 years ago

6 0

Answer:

Step-by-step explanation:

<u>Find the midpoint:</u>

70 - (-10) = 80
80/2 = 40

The number is 40

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liberstina [14]

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3 years ago

Solve the system of equations by substitution <br><br> y = 2x + 1 and 3x + y = 16

Luden [163]

Answer: y=7,x=3

Steps:

y = 2x + 1

3x + y = 16

Substitute y = 2x + 1

3x + 2x + 1 = 16

Simplify

5x+1=16

Isolate x for 5x + 1 = 16: x = 3

For y = 2x + 1

Substitute x = 3

y = 2 · 3 + 1

Simplify

y = 7

The solutions to the system of equations are:

y = 7, x = 3

Hope This Helps!

6 0

3 years ago

8. Terry, a plumber, worked 9 months out of the year. What percent of the year

Burka [1]

Answer:

25%

Step-by-step explanation:

9/12 = 3/4

1/4 (the months he wasn't working) = 25%

3 0

3 years ago

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What is the simplified form of the following expression? 5√8-√18-2√2

Romashka [77]

Answer:

Option (B) is correct.

To prove

As given the epression in the question is given by

$= 5\sqrt{8} - \sqrt{18} - 2 \sqrt{2}$

Now simplify the above

Terms are written as

$\sqrt{8} = \sqrt{2\times 2\times 2} = 2 \sqrt{2}$

$\sqrt{18} = \sqrt{3\times 3\times 2} = 3 \sqrt{2}$

Put in the above expression.

$= 5\times 2 \sqrt{2} -3 \sqrt{2} - 2 \sqrt{2}$

$= 10 \sqrt{2} -5 \sqrt{2}$

$=5 \sqrt{2}$

$Therefore\ the\ expression\ 5\sqrt{8} - \sqrt{18} - 2 \sqrt{2}\ is\ equivalent\ to\ 5 \sqrt{2} .$

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3 years ago

Robert had two of rope he cut off eight inches how many inches does he have left

pishuonlain [190]

16 inches. 24 - 8 = 16.

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3 years ago

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