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avanturin [10]
3 years ago
15

I was told that the answer to this is -7 but I don't understand how to get there.

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
6 0

Answer:

The answer to your question is: - 7

Step-by-step explanation:

                                            3125 = (- 1  - 18t) ⁵/³

                                            (3125)³ = ( -1 - 18t)⁵

                                            (3125)³/⁵ = - 1 - 18t

                                            125 = - 1 - 18t

                                            125 + 1 = - 18t

                                            126 = - 18t

                                            t = 126 / -18

                                            t = -7

3125³ = 3.0518 x 10¹⁰

\sqrt[5]{3.0518 x 10¹⁰} = 125

                       

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ArbitrLikvidat [17]

Answer:

A. The two lines are neither parallel nor perpendicular.

Step-by-step explanation:

8 0
3 years ago
How to solve -2p^2=16p+24
frozen [14]

Add  2p²  to each side of the equation.  Then you have

                 2p² + 16p + 24  =  0 .

Before you roll up your sleeves and start working on it, you can make it
even more convenient if you divide each side by  2 .  Then you have:

                 p² + 8p + 12 = 0 .

Now you have a nice, comfortable, familiar-looking quadratic equation. 
You can either factor the left side into  (p + 6) (p + 2), or, if you can't find
the factors, you can apply the quadratic formula to it.

That's how to solve it, and find its two solutions.


8 0
3 years ago
Find x.______________a0
velikii [3]

Answer:

x=4

Step-by-step explanation:

Before we find x, we need to set up this triangle a little more. We need to find the triangle's altitude before we can solve for x. We will use the heartbeat method to find the altitude.

Let altitude = y; solve for y:

\frac{2}{y}=\frac{y}{6}

y^2=12

y=\sqrt{12}

y=2\sqrt{3}

Now that we know the altitude, we can use the Pythagorean Theorem to find the hypotenuse (x).

a^2+b^2=c^2

2^2+(2\sqrt{3})^2=c^2

4+12=c^2

c^2=16

c=4

Since c and x are the same; c is just the hypotenuse in the Pythagorean Theorem.

x=4

4 0
3 years ago
Is 3.03003000300003... a repeating decimal
SVETLANKA909090 [29]
The answer is no because after each 3 there is one more zero added

to be repeating the number of zeros would have to stay the same
8 0
3 years ago
90 to the nearest tenth
melamori03 [73]

Answer:

90

Step-by-step explanation:

<em>Hey there!</em>

Well 90.000 to the nearest tenth is just 90 because there is no decimal places to round.

<em>Hope this helps :)</em>

7 0
3 years ago
Read 2 more answers
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