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Phantasy [73]
3 years ago
11

Andrea is shopping for items for her pet sitting business because the store is having a sale where everything in the store

Mathematics
2 answers:
frutty [35]3 years ago
5 0

Answer:

the answer is the first one

Step-by-step explanation:

39.99 rounded up is 40.00

19.99 rounded up is 20.00

40.00*0.05 = 2, 40-2 = 38

20.00*0.15 = 3, 20-3 = 17*.05 = 0.85, 17-0.85 = 16.15

38+16.15 = 54.15

Damm [24]3 years ago
4 0

Answer:

a

Step-by-step explanation:

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The number of calories burned while jogging varies directly with the number of minutes spent jogging.
seropon [69]

Answer:

350.5

Step-by-step explanation:

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2 years ago
in a given classroom the number of girls is 10 greater than number of boys if the ratio of the number of girls to the number of
Xelga [282]

Answer:

a) 35,  b) 25,  c) 60

Step-by-step explanation:

The number of girls is 10 more than the number of boys, so it's a good thing to choose a variable to represent the number of boys.

Number of boys:  b

Number of girls:  b + 10

Ratio of girls:boys is 7:5, so

\frac{b+10}{b}=\frac{7}{5}

"Cross multiply" to get

7b=5(b+10)\\7b=5b+50\\2b=50\\b=25

There are 25 boys.  There are 10 more girls, so the number of girls is 35, and the total number of students is 60.

That's a packed classroom!

8 0
3 years ago
A) What is the value of 6^2<br> b) What is the value of square root of 81
Sholpan [36]

Answer:

6²= 6×6= 36

√81= 9

hope it helps! please mark me brainliest

thank you!! have a good day ahead!

3 0
2 years ago
Read 2 more answers
The expression 24(1−x) gives the discounted price of a pair of shorts, where x is the percent of the discount written in decimal
kap26 [50]

Answer:

(See explanation for further details).

Step-by-step explanation:

(1-x) represents the portion of the price that remains after applying the discount.

7 0
3 years ago
Whats 100000000000000000000-1000000000000000000000000
Ghella [55]

Answer: -9.999e+23

I don't know what you're up to.

7 0
3 years ago
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