3 years ago

X to the third plus 64 equal 0

Mathematics

1 answer:

GREYUIT [131]3 years ago

3 0

x^3 + 64 = 0

Subtract both sides by 64:

x^3 = -64

x = -4

You might be interested in

HELP ME PLEASE THIS MEANS A LOT TO ME

nevsk [136]

Answer:

I cannot see the screen. Write it out please and I will answer.

Step-by-step explanation:

7 0

3 years ago

Help please! Thank you

Anna71 [15]

First thing to do is set up your equation:
45/x = 20/100
Cross multiply
4500 = 20x
And divide by 20

Answer: 225 people were surveyed

6 0

3 years ago

Read 2 more answers

Vending machines can be adjusted to reject coins above and below certain weights. The weights of legal U.S. quarters have a norm

tigry1 [53]

Answer: The percentage of legal quarters will be rejected by the vending machine = 2.275%

Step-by-step explanation:

Given: The weights of legal U.S. quarters have a normal distribution with a mean of 5.67 grams and a standard deviation of 0.07 gram.

Let x be the weights of legal U.S. quarters .

Required probability: $P(x5.81)$

$=P(\dfrac{x-\mu}{\sigma}\dfrac{5.81-5.67}{0.07})\\\\=P(z2)\approx0.02275 \ \ \ [By\ P-value\ calculator]$

The percentage of legal quarters will be rejected by the vending machine = 2.275%

5 0

2 years ago

Can someone help me with this please

pochemuha

Answer: No

Step-by-step explanation:

What we have to do is to substitute the values of x and y that we are given into the inequality:

x = 8

y = 7

y > 4x - 6

7 > 4(8) - 6

7 > 32 - 6

7 > 26

This is not true so it isn't a solution

3 0

3 years ago

Read 2 more answers

PLEASE HELP ME!!!!! I need Help Please With the 2nd question please any help me

galina1969 [7]

Hello,
Please, see the attached file.
Thanks.

3 0

3 years ago