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erik [133]
2 years ago
12

How would you solve for these

Mathematics
1 answer:
statuscvo [17]2 years ago
8 0

Answer: 1) x> -21

2) x is less than or equal to -21

3) x is less than or equal to 16

4) x less than or equal to 3/4

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Which would be used to solve this equation? Check all that apply.
puteri [66]

Answer:

multiplying both-side of the equation by 3

substituting 36 for p to check the solution

Step-by-step explanation:

To solve the equation p/3 = 12, we will follow the steps below;

first multiply 3 to both-side of the equation, that is:

p/3 × 3 = 12 × 3

On the left-hand side of the equation, 3 at the numerator will cancel-out 3 at the denominator, leaving us with just p while on the right-hand side of the equation 12 will be multiplied by 3

p= 36

To check the correctness of the equation, we can substitute p = 36 back into the equation and then check, that is;

p/3 = 12

36/3 = 12

This implies p = 36 is correct

3 0
3 years ago
Peter drove 1.5 hours at an average speed of 40 mph. He then drove for another 40km.
egoroff_w [7]

Answer:

john drove for 3 hours at a rate of 50 miles per hour and for 2 hours at 60 miles per hour. 

Step-by-step explanation:

5 0
2 years ago
Kelly earns $178.50 in interest on an account that earns simple interest at a rate of 4%. If she kept the money in the account f
Otrada [13]

Answer:

  $892.50

Step-by-step explanation:

The amount of interest earned is given by ...

  I = Prt

Filling in the given values, we have ...

  $178.50 = P·0.04·5

Dividing by 0.20 gives ...

  $178.50/0.20 = P = $892.50

The principal amount in Kelly's account is $892.50.

7 0
3 years ago
If SDE ~ SWT, find WT.
faust18 [17]

Formula used: 40+x = 4x-3 x is used for <em>ET</em>

Step-by-step explanation:

40+x = 4x-3

<u>+</u><u>3</u> <u>+</u><u>3</u>

43+x = 4x

<u>-</u><u>x</u> <u>-</u><u>x</u>

<u>43</u> = <u>3x</u>

3 3

14.3 = x

then substitude this on 5x+3 on <em>W</em><em>T</em> and you arr good

5 0
3 years ago
The diameter of a circle is 9 ft. Find the circumference and round it to the nearest tenth.
marta [7]

Answer:

9*3.14=28.26

Step-by-step explanation:

Hope this Helps!

6 0
2 years ago
Read 2 more answers
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