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stealth61 [152]
3 years ago
14

In forming a confidence interval for μ1 - μ2, only two assumptions are required: independent samples and sample sizes of at leas

t 30.
a. True
b. False
Mathematics
1 answer:
AysviL [449]3 years ago
6 0
I’m not sure but I guess it’s false
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Simplify the expression 2(w+7)+6(3w−1).please help
Elza [17]

Answer:

20w+8

Step-by-step explanation:

hope it helps..................

6 0
3 years ago
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Which of the following is a trinomial?
Sedaia [141]

Answer:

A) c^2 + c + 6

Step-by-step explanation:

We have been given four choices out of which we need to select the choice which is trinomial.

Trinomial means polynomial having three terms.

A) c2 + c + 6

It has 3 terms.

B) c2 − 16

It has 2 terms.

C) −8c

It has 1 term.

D) c3 + 4c2 − 12c + 7

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5 0
3 years ago
Bill is $75. tip is 18% what is the total bill
yarga [219]

Answer:

Total bill = $88.50

Step-by-step explanation:

Amount of bill = $75

Tip = 18%

Amount of tip = \frac{18}{100}*75

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Amount of tip = $13.50

Total bill = Bill + Tip

Total bill = 75 + 13.50

Total bill = $88.50

3 0
3 years ago
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how far would a 4.0 cm tall object be located from a reflecting surface with a focal lenght that is equal to 5 cm if it is to cr
katrin [286]

Answer:

HERE IS YOUR ANSWER

Step-by-step explanation:

Use the mirror equation:

1/di + 1/do = 1/f

where di = -10 cm and f = +15 cm. (Note that di is negative if the image is virtual.)

Substitute and solve for do.

1/do + 1/(-10 cm) = 1/(15 cm)

1/do = 1/(15 cm) - 1/(-10 cm) = 5/(30 cm)

do = 6 cm

Hope it helps you

Regards,

Rachana

5 0
3 years ago
Factor 64b-16c to identify the equivalent expressions.
cluponka [151]

Answer:

a

Step-by-step explanation:

7 0
2 years ago
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