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aalyn [17]
3 years ago
5

Audrey saved $25 in March. She saved $42 in April and $18 in May. Then Audrey spent $44 on a keyboard. How much money does Audre

y have left?
Mathematics
1 answer:
skelet666 [1.2K]3 years ago
3 0

Answer: 25+42+18= 85

85-44=41

Step-by-step explanation:

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Vitek1552 [10]
The answer to 8a. is 17, the answer to 8b. is 3.9, the answer to 8c. is 1 / 2, the answer to 8d. is 7 7 / 8, the answer to 9a. is commutative property, the answer to 9b. is multiplicative identity property, the answer to 9c. is associative property, and the answer to 9d. is additive inverse property.

Regarding the whole "explain using mental math" thing, I pretty much just used the fact that 8a. and 8b. both had the same number of decimal places. For 8c., I just made each number have a denominator of 10. And last, for 8d., all of the denominators were already the same, which made it pretty easy. I apologize for this section of my answer being so informal lol, I haven't had to do these kinds of problems in like 5 years <span />
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3 years ago
Jacky read at the rate of 15 pages per hour. Johnny read at the rate of 1/3 of a pages per minute. Who was reading faster? By ho
o-na [289]
We can compare by converting Johnny's reading time into the same unit of Jacky's, hours.

There are 60 minutes in an hour, so use this:

\frac{1}{3} *  \frac{60}{1} = 20

15 < 20, so Johnny read faster. This is 5 pages faster per hour than Jacky.
3 0
3 years ago
29 is what percent of 20?
Vanyuwa [196]
29 percent = 29/100
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2 years ago
HELP IF YOU'RE GOOD AT GEOMETRY
Jet001 [13]

Answer:

corresponding angles- 4 and 8, 3 and 7, 1 and 5, 2 and 6

same side interior angles- 2 and 5, 3 and 8

alternate interior angles- 3 and 5, 2 and 8

alternate exterior angles- 1 and 7, 4 and 6

Step-by-step explanation:

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3 years ago
How many planes contain each line and point?
nikitadnepr [17]

There are infinite many planes that contain each line and point

<h3>How to determine the number of planes?</h3>

The given parameters are given as:

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As a general rule, a line and a point can be used to draw as many planes as possible

This means that there are infinite many planes possible

Hence, there are infinite many planes that contain each line and point

Read more about planes and points at:

brainly.com/question/14366932

#SPJ1

8 0
2 years ago
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