Ask question

Ask question

All categories

3 years ago

9

Elisa says, "If you subtract 14 from my number and multiply the difference by -3 , the result is -33 ." What is Elise's num

ber?

1 answer:

Svetach [21]3 years ago

6 0

Answer:

25

Step-by-step explanation:

(x-14)*-3 = -33

-3x+42 = -33

-3x = -33-42

-3x = -75

x=25

You might be interested in

A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only

makvit [3.9K]

Answer:

The sample size is $n = 3139$

Step-by-step explanation:

From the question we are told that

The margin of error is $E = 0.02$

From the question we are told the confidence level is 97.5% , hence the level of significance is

$\alpha = (100 - 97.5% ) \%$

=> $\alpha = 0.025$

Generally from the normal distribution table the critical value of $\frac{\alpha }{2}$ is

$Z_{\frac{\alpha }{2} } = 2.241$

Generally we will assume the sample proportion to be $\^ p = 0.5$

Generally the sample size is mathematically represented as

$n = [\frac{Z_{\frac{\alpha }{2} }}{E} ]^2 * \^ p (1 - \^ p )$

=> $n = [\frac{2.241}{0.02} ]^2 *0.5 (1 - 0.5 )$

=> $n = 3139$

7 0

2 years ago

Lowest common factor of 72 and 108

melamori03 [73]

Answer:

The lowest common factor of 72 and 108 is 216

5 0

2 years ago

What is the value of |−32|?

kolezko [41]

Answer:

32

Step-by-step explanation:

|-32|

Absolute values means take the positive value of

|-32| = 32

7 0

2 years ago

Read 2 more answers

The graph shows the distance cars A and B travel.

My name is Ann [436]

That will be A bc B is much longer than A

7 0

3 years ago

Read 2 more answers

Big trouble what is 99-30

katovenus [111]

I think it is 69 the rat

6 0

2 years ago