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3 years ago

17

2 answers:

4 0

Which statement best describes this inequality when graphed on a number line where positive numbers are to the right of zero?

12 is located to the right of 17.

17 is located to the right of 12.

12 is located 12 units to the left of zero, and 17 is located 17 units to the right of zero.

17 is located 17 units to the left of zero, and 12 is located 12 units to the right of zero.

Leya [2.2K]3 years ago

3 0

The correct statement is 17 is located to the right of 12

Bc in the number line 12 comes first then after 5 units to the right 17 is located

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It's believed that as many as 24% of adults over 50 never graduated from high school. We wish to see if this percentage is the

luda_lava [24]

Answer:

n=438

Step-by-step explanation:

-Given the sample proportion $\hat p=0.24$ and the confidence level is 95%.

-The sample size can be calculated using the formula;

$ME=z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}$

#Substitute parameters in the formula and make n the subject of the formula;

$ME=z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}\\\\=z_{0.025}\sqrt{\frac{\hat p(1-\hat p)}{n}}\\\\n=(\frac{z_{0.025}}{ME})^2\hat p(1-\hat p)\\\\\\=(\frac{1.96}{0.04})^2\times 0.24\times 0.76\\\\=437.94\approx 438$

Hence, the desired sample size is n=438

4 0

4 years ago

I need answer asap please

larisa86 [58]

Hello,

Step-by-step explanation:

4 x 6 = 24

4 x 24 = 96

4 x 96 = 384

Answer a

4 0

3 years ago

A contractor needs to buy grass seed to cover a lawn. The dimension of the llama song below. One bag of grass seed cover isn’t i

DedPeter [7]

The minimum number of bags of seed the contractor needs to buy the to cover the entire lawn is 4

<h3>How to determine the number of bags</h3>

Start by calculating the area of the entire field using:

$Area = Length * Width$ --- area of square

So, we have:

$Area = (18 + 54 + 18)* 28$

$Area = 2520$

Next calculate the area of the porch using:

$Area = 0.5 * (L1 + L2) * H$ -- area of trapezium

So, we have:

$Area = 0.5 * (54+ (54 + 18 + 18 - 14 - 14)) * 10$

$Area = 580$

The difference between the areas of the entire field and porch is the area of the lawn.

So, we have:

$Lawn= 2520 - 580$

$Lawn= 1940$

The above means that, the area of the lawn is 1940 square yards

If one bag of grass covers 600 square yards, then the number of bags that can cover 1940 square yards is:

$n =\frac{1940}{600}$

$n =3.23$

Round to the next highest integer

$n =4$

Hence, the minimum number of bags of seed is 4 bags