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Paraphin [41]
3 years ago
13

List 3 ways you can use an answer key effectively

Mathematics
1 answer:
kondaur [170]3 years ago
3 0

practise new problem

check your answers

share

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Jerome works as a waiter he earns $80 each weekend plus 15% in tips
valentina_108 [34]
15% of 80 is 12, so he got $12 in tips
so the total amount of money earned should be $92 dollars
7 0
3 years ago
Read 2 more answers
Find the number of subsets of the set {1, 2, 3, ..., 9}
Irina18 [472]

Answer:

512

Step-by-step explanation:

the number of subsets of the set {1, 2, 3, ..., 9} is : 2^9 = 512

6 0
2 years ago
154×35= can you show work
DochEvi [55]
The way to solve it is to put the 154 on top of 35 and multiply it to get the answer, 154 times 35 = 5390
5 0
3 years ago
Read 2 more answers
Points U, M, And D are collinear with U between U and D.
zheka24 [161]

The value of x from the given equation is 5/3

<h3>How to determine the value</h3>

Since the three points are collinear to U, they are on a straight line which equals 0

Then we have,

UM + UD =  MD

5x+30 + 10x+20 = 3x+80

Collect like terms

5x + 10x + 50 = 3x + 80

15x - 3x = 80 - 50

12x = 30

x = 30/12 = 15/6 = 5/3

Thus, the value of x from the given equation is 5/3

Learn more about collinear points here:

brainly.com/question/18559402

#SPJ1

5 0
2 years ago
They will rest after they hike `2` miles. Then they will hike the remaining `1.75` miles to the lookout. The trail the hikers wi
Lyrx [107]

Answer:

1.75 gallons

Step-by-step explanation:

First, we need to calculate how far the hike is going up the trail. They first hike 2 miles and then another 1.75 miles after resting so...

2 + 1.75 = 3.75 miles

The trail is 3.75 miles long, the question states that the return path is 0.5 miles shorter, therefore...

3.75 - 0.5 = 3.25 miles

Leaving us with a total hiking distance of

3.75 + 3.25 = 7 miles.

Since each hiker will carry 0.25 gallons for each mile we simply need to multiply this amount by the total number of miles in the hike.

7 * 0.25 = 1.75 gallons

Finally, we can see that each hiker will carry a total of 1.75 gallons of water for the entire hike.

8 0
2 years ago
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