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3 years ago

Below are a list of costs and discounts for groceries. Round to the nearest dollar to estimate the total cost

Mathematics

2 answers:

Deffense [45]3 years ago

8 0

Answer:

$17

Step-by-step explanation:

Rounded, the listed numbers are ...

12 + 5 -1 +3 -2 = 17

The estimate of total cost is $17.

Alika [10]3 years ago

4 0

Answer:

$18

Step-by-step explanation:

$18.02 rounds to $18

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Diane keeps all of her toys on a shelf. The shelf is 24" long and 7" wide. If the wdith the shelf is doubled, what would happen

goblinko [34]

Step-by-step explanation:

Given that,

The length of the shelf = 24 inches

The width of the shelf = 7 inches

Area of the shelf, A = 24 × 7

= 168 inch²

When the width of the shelf is doubles,

New width = 14 inch

New area, A' = 14×24

= 336 inch²

It means,

A' = 2(A)

So, the new area becomes 336 inch² i.e. twice the initial area.

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3 years ago

What is equivalent to 7(3x-4)?

notsponge [240]

The answer is 21x-28 hope it helps

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3 years ago

A rectangle is 25 inches long and 13 inches wide. What is the area of the rectangle?

kvv77 [185]

32 is ur answer
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5 0

3 years ago

Read 2 more answers

How much more is 3 1/4 than 1 3/4

Stels [109]

Answer:

1 and 1/2

Step-by-step explanation:

3 1/4 is equal to 13/4 and 1 3/4 is equal to 7/4. 13/4 - 7/4 is 6/4. 6/4 equalsn is 1 1/2.

4 0

3 years ago

Each question on a multiple-choice exam has four choices. One of the choices is correct, worth four points. Another choice is wr

kifflom [539]

Answer:A)0.75

Step-by-step explanation:

Given

There are four options to a question

out of which one is correct with 4 points

one is wrong but carries 1 point

Other two are wrong with a negative Point

Probability of selecting an option is $\frac{1}{4}$

Expected score $=\frac{1}{4}\times 4+\frac{1}{4}\times 1+\frac{1}{4}\times (-1)+\frac{1}{4}\times (-1)$

Expected score=1+0.25-0.5

Expected score=0.75

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3 years ago