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Vladimir79 [104]
3 years ago
15

What does 144 =to for a squared

Mathematics
2 answers:
Dafna11 [192]3 years ago
5 0
12 *12 = 144

Therefore 12^2 = 144
S_A_V [24]3 years ago
3 0
The square of 144 is 12 because
12*12=144
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A gallup survey indicated that 72% of 18- to 29-year-olds, if given choice, would prefer to start their own business rather than
Neko [114]

Answer:

The probability that no more than 70% would prefer to start their own business is 0.1423.

Step-by-step explanation:

We are given that a Gallup survey indicated that 72% of 18- to 29-year-olds, if given choice, would prefer to start their own business rather than work for someone else.

Let \hat p = <u><em>sample proportion of people who prefer to start their own business</em></u>

The z-score probability distribution for the sample proportion is given by;

                               Z  =  \frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } }  ~ N(0,1)

where, p = population proportion who would prefer to start their own business = 72%

            n = sample of 18-29 year-olds = 600

Now, the probability that no more than 70% would prefer to start their own business is given by = P( \hat p \leq 70%)

       P( \hat p \leq 70%) = P( \frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } } \leq \frac{0.70-0.72}{\sqrt{\frac{0.70(1-0.70)}{600} } } ) = P(Z \leq -1.07) = 1 - P(Z < 1.07)

                                                                       = 1 - 0.8577 = <u>0.1423</u>

The above probability is calculated by looking at the value of x = 1.07 in the z table which has an area of 0.8577.

3 0
4 years ago
10×+73=7 solve two step equations by using inverse operations. and use inverse operations to solve the equations ​
MrMuchimi

Answer:

x=-67/10

Step-by-step explanation:

What you have to do is first subtract 73 from both sides. that makes it 10x=7-73. That is 10x=-67. Then divide both sides by 10. That is x=-67/10

Can I get brainliest

7 0
4 years ago
Read 2 more answers
If 2/5 x h = 3, what is H
tiny-mole [99]

Answer:

h = 7 1/2

Step-by-step explanation:

2/5 h = 3

Multiply each side by 5/2 to isolate h

5/2 * 2/5 h = 5/2 *3

h = 15/2

h = 7 1/2

3 0
3 years ago
The formula for the area A of a rectangle with a length of 5 inches is A = 5w, where w is the
Varvara68 [4.7K]

Answer:

Width 2 4 6 8

Area 10 20 30 40

Step-by-step explanation:

Area of a rectangle = length × width

Calculate width when length = 5 inches

When length = 5 inches and width = 2 inches

Area of a rectangle = length × width

A = 5 × 2

= 10 square inches

When length = 5 inches and width = 4 inches

Area of a rectangle = length × width

A = 5 × 4

= 20 square inches

When length = 5 inches and width = 6 inches

Area of a rectangle = length × width

A = 5 × 6

= 30 square inches

When length = 5 inches and width = 8 inches

Area of a rectangle = length × width

A = 5 × 8

= 40 square inches

Given the same length and different width

Width 2 4 6 8

Area 10 20 30 40

8 0
3 years ago
How many square feet of outdoor carpet will we need for this hole.
Vladimir79 [104]

Step-by-step explanation:

my dude we need a picture or more context

7 0
3 years ago
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