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BlackZzzverrR [31]
3 years ago
5

Select The correct answer. What is the simplified form of 3/7- 5/7?

Mathematics
1 answer:
dmitriy555 [2]3 years ago
7 0

the answer is A -2/7

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The mean cost for each item in his bag was $3.05. He bought a total of 8 items, and the prices of 7 of those items are listed be
Anna007 [38]

You know the mean cost is calculated from ...

... (mean cost) = (total cost)/(number of items)

You are given the mean cost and the number of items, so you can find the total cost for the 8 items as ...

... (mean cost)×(number of items) = (total cost)

... 8 × $3.05 = (total cost) = $24.40

You are given the costs of 7 of the items so ...

... (total cost) = (8th item cost) + (total cost of 7 items)

Then we can find the (8th item cost) as ...

... (8th item cost) = (total cost) - (total cost of 7 items)

Adding up the given cost of the 7 items, we get ...

... (total cost of 7 items) = $20.57

... (8th item cost) = $24.40 -20.57 = $3.83

The price of the 8th item in the bag was $3.83.

5 0
3 years ago
Francis works at Carlos Bakery and is making cookie trays. She has 48 chocolate chip cookies, 64 rainbow cookies, and 120 oatmea
amm1812

The number of cookies and trays are illustrations of greatest common factors.

  • The number of trays is 8
  • 6 chocolate chips, 8 rainbows and 15 oatmeal cookies would fit each tray

The given parameters are:

\mathbf{Chocolate\ chip=48}

\mathbf{Rainbow=64}

\mathbf{Oatmeal=120}

<u>(a) The number of trays</u>

To do this, we simply calculate the greatest common factor of 48, 64 and 120

Factorize the numbers, as follows:

\mathbf{48 = 2 \times 2 \times 2 \times 2 \times 3}

\mathbf{64 = 2 \times 2 \times 2 \times 2 \times 2 \times 2}

\mathbf{120 = 2 \times 2 \times 2 \times 3 \times 5}

So, the GCF is:

\mathbf{GCF= 2 \times 2 \times 2}

\mathbf{GCF= 8}

Hence, the number of tray is 8

<u>(b) The number of each type of cookie</u>

We have

\mathbf{Chocolate\ chip=48}

\mathbf{Rainbow=64}

\mathbf{Oatmeal=120}

Divide each cookie by the number of trays

So, we have:

\mathbf{Chocolate\ chip = \frac{48}{8} = 6}

\mathbf{Rainbow = \frac{64}{8} = 8}

\mathbf{Oatmeal = \frac{150}{8} = 15}

Hence, 6 chocolate chips, 8 rainbows and 15 oatmeal cookies would fit each tray

Read more about greatest common factors at:

brainly.com/question/11221202

4 0
2 years ago
Help anyone plz?????
ryzh [129]

Answer:

.

Step-by-step explanation:

8 0
3 years ago
Plz help
Molodets [167]
The irrational numbers are √10,√27,√99.
3 0
3 years ago
Santa gave kittens to 13 boys and girls. What is the ratio of kitten ears to kitten tails?
SVEN [57.7K]

Answer:

Ratio = 2 : 1

Step-by-step explanation:

Given

Population = 13 --- Boys & Girls

Required

Determine the ratio of the kitten ears to the tails

A kitten has 1 tail and 2 ears.

Assume each individual got 1 kitten each

This implies that,

Number\ of\ tails= 1 * 13

Number\ of\ tails= 13

Number\ of\ ears= 2* 13

Number\ of\ ears= 26

The ratio of ears to tail is then calculated as follows:

Ratio = Number of ears : Number of tails

This gives

Ratio = 26 : 13

Divide by 13

Ratio = 26/13 : 13/13

Ratio = 2 : 1

8 0
3 years ago
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