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scZoUnD [109]
2 years ago
7

Which inequality represents all possible solutions of -12d2 -6?

Mathematics
1 answer:
qaws [65]2 years ago
6 0

Answer:

f

Step-by-step explanation:

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Which of the following is an equivalent expression to: -2(-5x - 8)
exis [7]

Answer:

10x + 16

Step-by-step explanation:

Doing the distributive property, we get the answer 10x + 16.

5 0
2 years ago
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What is the exact volume of the cone?
zlopas [31]

Answer:

The third choice, (160/3)π cm³

Step-by-step explanation:

The formula for volume of a cone is

V = (1/3)πr²h   where r is the radius of the base, and h is the height

Here, r = 4 and h = 10. plug those values in and simplify...

V = (1/3)π(4²)(10)

V = (1/3)π(16)(10)

V = (1/3)π(160)

V = (160π)/3

4 0
2 years ago
Solve the equation 25z2 + 140 = −29 by using square roots.
Mice21 [21]

Answer:

13i/5

Step-by-step explanation:

25z^2+140=-29      subtract 140 from both sides

25z^2=-169          now square root both sides.

\sqrt{25z^{2} }=\sqrt{-169}     a negative root forms i

5z=13i                    

z=13i/5

5 0
2 years ago
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A train of length 100m is moving at a speed of 50km/h. A horse is running alongside the train at a speed of 56km/h. How long wil
Ronch [10]
It will take 1 MINUTE for the horse to overtake the train.
<span>(56 – 50) 6 km/hr
</span><span>0.1/6 = 1/60 hr = 1 min </span>
3 0
2 years ago
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At Gwen’s bakery over the course of a year she sold 78 cakes for $78 a cake. At the end of the year she determined that for each
cluponka [151]

Answer:

13

Step-by-step explanation:

1/6 x 78

1/6 of 78 = 13

5 0
3 years ago
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