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3 years ago

Please Answer, Giving Brainliest and 50 points!

Mathematics

1 answer:

Roman55 [17]3 years ago

5 0

Answer:

16 and 56

Step-by-step explanation:

gcf of 24 and 48 is 24

gcf of 14 and 32 is 2

gcf of 16 and 28 is 4

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A bouncing ball reaches a height of 27 feet at its first peak, 18 feet at its second peak, and 12 feet at its third peak. Descri

dexar [7]

The sequence:
a 1 = 27 ft, a 2 = 18 ft, a 3 = 12 ft.
a 2 = a 1 * q
q = a 2 / a 1 = 18 / 27 = 2 / 3
a 4 = a 3 * q = 12 * 2 / 3 = 8 ft

8 0

3 years ago

The difference between teenage female and male depression rates estimated from two samples is 0.07. The estimated standard error

KATRIN_1 [288]

Answer:

The 95% confidence interval is $0.0112 < \mu_m - \mu_f < 0.1288$

Step-by-step explanation:

From the question we are told that

The sample mean difference is $\= x_m - \= x_f = 0.07$

The standard error is SE = 0.03

Given that the confidence interval is 95% then the level of significance is mathematically evaluated as

$\alpha = 100 - 95$

$\alpha = 5\%$

$\alpha =0.05$

Next we obtain the critical value of $\frac{\alpha }{2}$ from the normal distribution table, the value is $Z_{\frac{\alpha }{2} } = 1.96$

Generally the margin of error is mathematically represented as

$E = Z_{\frac{ \alpha }{2} } * SE$

substituting values

$E = 1.96 * 0.03$

$E = 0.0588$

The 95% confidence interval is mathematically represented as

$(\= x_m - \= x_f ) - E < \mu_m - \mu_f$

substituting values

$0.07 - 0.0588 < \mu_m - \mu_f$

$0.0112 < \mu_m - \mu_f < 0.1288$

3 0

3 years ago

Ill give you a bouns of 50 points if you get these right. and brainlyest

charle [14.2K]

Answer:

what's the question? I don't see anything

8 0

3 years ago

Read 2 more answers

If a tree cast shadow that is 42 feet long and a man whose height is 6 feet cast a shadow that is 5 feet long how tall is the tr

tatyana61 [14]

X/6=42/5
5x=252
x=50.4

7 0

3 years ago

What is the next step in solving 0 = x2 + 6x – 10 by completing the square, after you cut 6 in half?

Lynna [10]

Answer:

see below

Step-by-step explanation:

0 = x^2 + 6x – 10

Add 10 to each side

10 = x^2-6x

Take the coefficient of x

-6

Divide by 2

-6/2 =-3

Square it

(-3)^2 =9

Add 9 to each side

10+9 = x^2-6x+9

We use -3 for the square term

19 = (x-3)^2

Take the square root of each side

±sqrt(19) = x-3

Add 3 to each side

3±sqrt(19) = x

6 0

3 years ago

Read 2 more answers