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motikmotik
2 years ago
9

Can someone solve this math problem for me

Mathematics
1 answer:
Alex2 years ago
3 0

Answer:

2x+60=4x-12

60+12=4x-2x

72=2x

x=72/2

x=36.. ans

Step-by-step explanation:

hope this help you

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A car is traveling at a speed of 30 miles per hour. What is the car's speed in kilometers per hour? How many kilometers will the
Mandarinka [93]

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144.84

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3 years ago
Find the equation of the sphere passing through pleft parenthesis negative 4 comma 7 comma 6 right parenthesis(−4, 7, 6) and qle
Oksi-84 [34.3K]

The equation of a sphere is:

(x – h)^2 + (y – k)^2 + (z – l)^2 = r^2

where h, k and l are the coordinates of the center of the sphere

 

Using the midpoint formula, the coordinate of the center is:

h = (-4 + 6) / 2 = 1

k = (7 + -5) / 2 = 1

l = (6 + 7) / 2 = 6.5

 

so the equation becomes:

(x – 1)^2 + (y – 1)^2 + (z - 6.5)^2 = r^2

 

we plug in any point, in this case point P to solve for r:

(-4 -1)^2 + (7 – 1)^2 + (6 - 6.5)^2 = r^2

r^2 = 61.25

 

So the full equation is:

<span>(x – 1)^2 + (y – 1)^2 + (z - 6.5)^2 = 61.25</span>

8 0
3 years ago
Which of the following is an irrational number?
Sladkaya [172]

Answer:

1.333...

Step-by-step explanation:

because irrational numbers can be repeating decimals, numbers that aren't perfect squares,and numbers that can not be in fraction form.

4 0
3 years ago
1. 8y = 48<br> 2. q — 12 = 1<br> 3. 18 = a/2<br> 4. r/3 = 7<br> 5. 11 = m — 4
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Hello!

1. 8y = 48 => y = 48 : 8 => y = 6

2. q - 12 = 1 => q = 1 + 12 => q = 13

3. 18 = a/2 => a = 18 × 2 => a = 36

4. r/3 = 7 => r = 3 × 7 => r = 21

5. 11 = m - 4 => m = 11 + 4 => m = 15

Good luck! :)

6 0
3 years ago
Mr Johnson was paid $190 for a job that required 40 hours of work. at this rate how much should he be paid for a job requiring 6
Sliva [168]
4.75 per hour. So 60 hours would be $285
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3 years ago
Read 2 more answers
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