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2 years ago

15

Please solve this: expand (4+2x)1/2

1 answer:

Viefleur [7K]2 years ago

3 0

Answer:

Refer to the attachment. Hope it helps you. Please mark as the brainliest. Thanks

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To fit in an existing frame, the length, x, of a piece of glass must be longer than 12 cm but not longer than 12.2 cm. Which ine

8090 [49]

The answer is A) <span>12 < x ≤ 12.2</span>

4 0

3 years ago

Read 2 more answers

K/9=3/9=what ? so is( k)a 3 or another number which is k=3/9=3/9 or no?

Flura [38]

So, if k/9=3/9, then k=3, because it is a variable substituting 3. :D Hope I could help!

3 0

3 years ago

The quality control manager of a soda manufacturing company wishes to use a significant level of 0.05 to test whether the variab

Alex17521 [72]

Answer: 1.645

Step-by-step explanation:

Given : The quality control manager of a soda manufacturing company wishes to use a significant level of 0.05 to test whether the variabilities in the amount of soda in the company's 16 OZ bottles is more than the variabilities in the company's 12 OZ bottles.

Let $\sigma_1^2$ represents the variance for 16 OZ bottles and $\sigma_2^2$ represents the variance for 12 OZ bottles.

The Null and Alternative Hypothesis will be :-

$H_0:\sigma_1^2\geq\sigma_2^2$

$H_1:\sigma_1^2$ , since alternative hypothesis is left-tailed , then the test is left-tailed test.

By using the standard normal distribution table for z, the critical value for this hypothesis:-

$z_{\alpha}=z_{0.05}=1.645$

6 0

3 years ago

Read 2 more answers

Mr.Chen left $45,000 to his aunt when he died. This was 5% of his total worth. a) how much was Mr.Chen worth when he died? Show

marysya [2.9K]

A) Mr Chen was worth:

45,000/5 = 9,000

9,000 x 100 = 900,000

The answer is 900,00

You can also write this as an equation.

3 0

3 years ago

Helppppppppppppppp!!!!

alex41 [277]

Answer:

Step-by-step explanation:

i don’t see a picture?

8 0

3 years ago