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3 years ago

Solve the equation x to the 3 power = -215

Mathematics

1 answer:

mojhsa [17]3 years ago

5 0

Answer:

cube root of -215 or -5.9

Step-by-step explanation:

Since this can't be a perfect cube the answer would be cube root of -215 or you find the closest perfect cubes which would be -5 and -6

-5cubed is -125 and -6cubed is -216 and -215 is closer to -216 the number approximately would be -5.9

Hope this helps :)

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3 years ago

Find a solution to the system. Make sure to write as a coordinate.

RUDIKE [14]

Answer:

x=2, y=3

Step-by-step explanation:

This is a system of equations.

To solve a system of equations, we use the substitution method.

We can plug in the first equation, $x=2y-4$ , into the value for x in the second equation. Now, the second equation looks like this:

$2*(2y-4)+y=7$

We simplify and solve for y:

→ $4y-8+y=7$

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→ $y=3$

Now, we plug in the value for y, which is 3, into either equation. I will just use the first equation:

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Let me know if my explanation is unclear.

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3 years ago

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NikAS [45]

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2 years ago

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galina1969 [7]

Answer:

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5 0

3 years ago

Read 2 more answers

Find the slope of the line that passes through (4, 6) and (1, 10).

Jlenok [28]

Answer:

given us,

(x1y1) = (4,6)

(x2y2)= (1,10)

here

slope= (y2-y1)/ (x2-x1)

= (10-6)/ (1-4)

= 4/ (-3)

Step-by-step explanation:

4/ (-3)

5 0

3 years ago