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alisha [4.7K]
3 years ago
9

8+x/2=-12 i need help badly

Mathematics
2 answers:
egoroff_w [7]3 years ago
7 0
So you have to isolate x.
First, move the 8 over, so it looks like: x/2=-12-8
Then to get rid of the 2 on the left hand side, you go:
x=-12-8 x2
x=-20x2
x=-40.  I think.
Musya8 [376]3 years ago
4 0
First subtract 8 from both sides 
leaving you with x/2 = -20 
Then multiply both sides by two to get rid of the denominator
which leaves you with x = -40
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A mountain climber started at 150 feet below sea level. What would he
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3150 feet for both

Step-by-step explanation:

correct?

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For a sequence defined by f(1)=13 and 2f(n-1)+(n-2), which of the following is the value of f(4)
densk [106]
Given that:
f(1)=13 and 2f(n-1)+(n-2)
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f(4) will be found as follows:
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3 years ago
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6 0
3 years ago
Read 2 more answers
To solve these problems.
olasank [31]
<h3>Solution(s):</h3>

<u>1)</u><u> What distance did a car travel that went 70 mph for 6 hours?</u>

Given:

  • 70 miles = 1 hour

<u>Multiply the RHS by 6 to see what distance was covered by the car in 6 hours.</u>

  • 70 miles = 1 hour
  • => 70 x 6 miles = 6 hours
  • => 420 miles = 6 hours

The car traveled 420 miles in 6 hours.

<u>2)</u><u> What is the perimeter of a rectangle with a length of 7 cm and a width of 4 cm?</u>

Given:

  • Length: 7 cm
  • Breadth: 4 cm

Formula to find perimeter: 2(L) + 2(B)

<u>Substitute the values into the formula to find the perimeter.</u>

  • 2(L) + 2(B)
  • => 2(7) + 2(4)
  • => 14 + 8
  • => 22 cm

The perimeter of the rectangle is 22 cm.

5 0
3 years ago
Help me please someone Thankss
olganol [36]

Answer:

A

Hope that helps!

Step-by-step explanation:

6 0
3 years ago
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