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Usimov [2.4K]
1 year ago
15

6. Andy scored 90 on the last history exam. He scored 81 this time. By what percent did his score decrease?​

Mathematics
1 answer:
allsm [11]1 year ago
6 0

Answer:

His score decreased by 9 percent this time.

Step-by-step explanation:

From his first history exam he had a score of 90 percent. The difference between his first score and present score is given by

90 - 81 = 9

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H= 347m + 182m

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so the original height of the helicopter is 529 meters

Step-by-step explanation:

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2 years ago
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nth term--n+3

Step-by-step explanation:

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srry

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Of the students who eat in a certain cafeteria, each student either likes or dislikes lima beans and each student either likes o
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Answer:

\frac{4}{15} \\

Step-by-step explanation:

number of the students like brussels sprouts but dislike lima beans = number of these students who dislike lima beans - number of students who dislike lima beans and also dislike brussels sprouts

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8 0
3 years ago
Heidi wants to make some biscuits using this recipe.
Andre45 [30]

The most cookies Heidy can make is 36 cookies.

<h3>How to calculate how many cookies can Heidy make?</h3>

To know how many cookies Heidy can make, you have to take into account the following information:

12 cookies need the following ingredients:

  • 125g butter
  • 200g flour
  • 50g sugar

In the case in which Heidy has more ingredients, we must carry out the following operations:

Divide the quantities, in the reference quantity we have:

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  • 700g flour ÷ 200g flour = 3.5
  • 250g of sugar ÷ 50g of sugar = 5

According to the above, we must take into account the lowest value of all because if that ingredient is enough, we can infer that the rest of the ingredients also.

So the number of cookies Heidy can make are:

12 × 3.5 = 42

Learn more about ingredients in: brainly.com/question/26532763

7 0
2 years ago
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