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Alenkasestr [34]
2 years ago
14

The sum of a number $x$ and 4 equals 12.

Mathematics
1 answer:
djverab [1.8K]2 years ago
3 0

Answer:

The number is 8

Step-by-step explanation:

Lets say the number is x

1: Create equation

x+4=12

2: Subtract 4 from both sides

x+4-4=12-4

x+0=8

x=8

The number is 8

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Ali and his father went on a trip to Jazan. Ali drove 52 miles less than his
kenny6666 [7]

Answer:

90

Step-by-step explanation:

divide 292 by 2

subtract 56 to get Ali's and add 56 to his Dad's

I could be wrong it's 6 am

7 0
2 years ago
3. Water flows through a pipe at a rate of 10 gallons per minute. How many gallons
diamong [38]

1 minute = 10gal

60minutes = 10×60 gal.

1 hour = 600 gallons

Happy to help!Please tell me if you understand!

3 0
3 years ago
Read 2 more answers
Zack is designing wheels for aconcept car. The diameter of the wheel is18 inches. Zack wants to make spokes inthe wheel that run
Ket [755]

Answer:

The spokes are 9 inches because the radius is half the diameter.

Comment if this is right.

Step-by-step explanation:

4 0
3 years ago
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Which of the following accurately lists all discontinuities of the function below?
jeka94
Checking the <span>discontinuity at point -4
from the left f(-4) = 4
from the right f(-4) = (-4+2)² = (-2)² = 4
∴ The function is continues at -4
</span>
<span>Checking the <span>discontinuity at point -2
from the left f(-2) = </span></span><span><span>(-2+2)² = 0
</span>from the right f(-2) = -(1/2)*(-2)+1 = 2
∴ The function is jump discontinues at -2
</span>
<span>Checking the <span>discontinuity at point 4
from the left f(4) = </span></span><span><span>-(1/2)*4+1 = -1
</span>from the right f(4) = -1
but there no equality in the equation so,
</span><span>∴ The function is discontinues at 4

The correct choice is the second
point </span>discontinuity at x = 4 and jump <span>discontinuity at x = -2</span>



5 0
3 years ago
Read 2 more answers
3x - y = 7
Nastasia [14]

Answer:

C) -3x=-3

Step-by-step explanation:

When you subtract the 3x-y=7 from 6x-y=10, you will receive the following equation:

3x-6x-y-(-y)=7-10

-3x-y+y=-3

-3x=-3

As we can see, this equation matches the one in option C, meaning that it's our answer!

6 0
2 years ago
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