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koban [17]
4 years ago
12

Rewrite the problem using fewer words. Leave out information that you do not need to solve the problem. Then solve the problem.

For a science project, you record the high temperature each day. The high temperature on Day 1 was 6°less than on Day 4 and 4°less than on Day 10. The high temperature on Day 10 was 62°F. What was the high temperature on Day 1?
Mathematics
1 answer:
Pavel [41]4 years ago
8 0

Answer:

Each day, you record the high temperature* (you don't necessarily need to say that it is for a science project). On Day 1, it was 4* less than Day 10**. It hit 62* F on Day 10. What was the high temperature on Day 1?

Because we know that on Day 1, the temperature was 4* less than on Day 10, and the high temperature on Day 10 was 62*, the high temperature on Day 1 was therefore 58*. Because 62 - 4 = 58.

Step-by-step explanation:

*You don't necessarily need to say that it was for a science project.

**The information for Day 4 is irrelevant too because we are not given the temperature for Day 4, therefore it does not help us find the answer.

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In how many ways can a person enter a room that has three doors and leave it by (a) a different door? (b) any door? How do i do
White raven [17]

Part (a)

Label the doors A, B, C.

If a person goes through door A, then they have 2 choices (B or C) to pick as an exit. Similarly, if they go through door B, then they have 2 choices for an exit (A or C). Finally, if they go through door C, then they have 2 choices for an exit (A or B).

We have 3 choices for the entrance, and 2 choices for the exit.

So overall, 3*2 = 6 different combinations are possible.

Those 6 combos are

AB, AC, BA, BC, CA, CB

<h3>Answer: 6</h3>

=============================================

Part (b)

This is effectively the same as part (a), but we can now re-use the entrance door. For any door we enter, we have 3 choices to pick from for the exit. There are 3 doors, so 3 entrances and 3 exits, meaning 3*3 = 9 different combinations.

Those 9 combos are

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5 0
3 years ago
What is 4(1+5n)=-6n-14+8
crimeas [40]
4(1 + 5n) = -6n - 14 + 8

4(1 + 5n) = -6n -6

4 + 20n = -6n - 6

10 + 26n = 0

26n = -10

n = -10/26 = -5/13.

I believe this would be the solution to the question.
7 0
4 years ago
Read 2 more answers
Simply 5 to the 3rd power and 2.5 to the 2nd power
Rzqust [24]
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Hope this helps!
5 0
3 years ago
Read 2 more answers
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