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3 years ago

"the quotient of 10 plus x and y minus 3"?

1 answer:

8 0

3 more than 7 = 7 + 3 3 added to 7 = 7 + 3 Lesson 1-6 ... Five plus x minus 3 2) Three times y less 4 3) ... Seven minus twice the quotient of x and <span>3</span>

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If m ∥ k and m ∥ ℓ, then _____

saul85 [17]

Answer:

$\large\huge\boxed{\text{If}\ m\ ||\ k\ \text{and}\ m\ ||\ l,\ \text{then}\ k\ ||\ l}$

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3 years ago

9.50 One way to evaluate the effectiveness of a teaching assistant is to examine the scores achieved by his or her students on a

EleoNora [17]

Answer:

Step-by-step explanation:

Given that a professor sets a standard examination at the end of each semester for all sections of a course. The variance of the scores on this test is typically very close to 300.

$H_0: s^2 = 300\\H_a: s^2 \neq 300$

(Two tailed test for variance )

Sample variance =480

We can use chi square test for testing of hypothesis

Test statistic = $\frac{(n-1)s^2}{\sigma^2} \\=62.4$

p value = 0.0100

Since p <0.05 our significance level, we reject H0.

The sample variance cannot be claimed as equal to 300.

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3 years ago

−12d+58=38d−1116 what does p=

weeeeeb [17]

Answer:

d= 587/25, d=23.48

Step-by-step explanation:

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3 years ago

Please help me asap

AysviL [449]

Answer:

The second option: Waxing crescent - first quarter; Waning gibbous - third quarter

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3 years ago

At a bake sale, Tia and Jaden earned $147 from the cookies they had sold. Then they paid Tia’s mother back $18 for materials to

nadya68 [22]

Answer: The total profit is $129

Step-by-step explanation:

The total revenue, was $147 (the total they earned), and the cost of the materials is $18 (how much they returned for the materials)

The total profit is computed as the difference between the revenue and the costs, then the total profit of the kids in this case is:

Profit = $147 - $18 = $129

This means that Tia and Jaden earned $129, if they divide it evenly, each one of them gets $129/2 = $64.5

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3 years ago