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3 years ago

Which of the following expressions are equivalent to -(-8/-4)1. -(-8/4)

Mathematics

1 answer:

PSYCHO15rus [73]3 years ago

4 0

Answer:

44/5+3 2/10- 1 1/5= 44/5 + 3 1/5 - 11/5 = 44/5+ 16/5- 1 1/5 44/5+16/5-6/5 44/5+2 54/5=54/5 which equals 10 4/5 is your answer I hope this helped you! (;

Step-by-step explanation:

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A family buys 3 dinners at $9 each, 2 kids meals at $4 each, and 4 desserts at $3 each. After using a $10 off coupon, how much d

Oksi-84 [34.3K]

$9 \times 3 = 27$
$2 \times 4 = 8$
$4 \times 3 = 12$
$27 + 8 = 35 + 12 = 47$
$47 - 10 = 37$
$37$

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3 years ago

In which of the following situations should the chi-square Test for Goodness-of-Fit be used? Select the correct answer below: a.

dangina [55]

Answer:

Correct answer is (a). An online research company puts out a survey asking people two questions. First, it asks whether they buy groceries online. Second, it asks whether they own a car or not. The data are collected and recorded in a contingency table. The company wants to determine if there is a relationship between buying groceries online and car ownership

Step-by-step explanation:

The chi-square distribution can be used to perform the goodness-of-fit test, Closeness of observed data to expected data of the model.

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3 years ago

Help with this problem

Contact [7]

Table C represents a function

This is because each x value has only one y value. For the other tables, the x values of 4, 9, and 8 have 2 different y values.

3 0

3 years ago

Consider the expression 40 + 24. Find the greatest common factor of the two numbers, and rewrite the expression using distributi

serg [7]

Answer:

40 + 24 = 8(5 + 3)

Step-by-step explanation:

Consider the expression 40 + 24. Find the greatest common factor of the two numbers, and rewrite the expression using distributive property

Step 1

We find the GCF

The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24

The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40

Then the greatest common factor is 8.

Step 2

Rewriting the expression using distributive property.

The factors of 40 and 24 that would give us the sum of 8 is given as 5 and 3

Therefore, using Distributive property

40 + 24 = 8(5 + 3)

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3 years ago

Kenny weight is 6/7 times Melvin weight. What is the ratio of Kenny weight to Melvin weight? Give answer in fraction form

SOVA2 [1]

-- Kenny's weight is 6/7 of Melvin's weight.

-- Melvin's weight is 7/7 of Melvin's weight.

-- The ratio of Kenny's weight to Melvin's weight is (6/7) / (7/7) = 6/7 .

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3 years ago