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azamat
3 years ago
15

(3m^0)^3 A. 27cm3 B. 27

Mathematics
1 answer:
abruzzese [7]3 years ago
8 0
B! 27 please mark brainliest
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Autumn is working two summer jobs making $16 per hour tutoring and making $12 per hour landscaping.In a giving week she can work
Darya [45]

Answer:

{13,14}

Step-by-step explanation:

Let

x ----> number of hours per week of tutoring

y ----> number of hours per week of landscaping

we know that

She can work no more than 17 hours

so

x+y\leq 17 -----> inequality A

She must earn at lest $240

The term " at least" means, "greater than or equal to"

16x+12y\geq 240 ----> inequality B

If Autumn worked 3 hours landscaping

then

y=3\ hours

substitute in the inequality A and in the inequality B

<em>Inequality A</em>

x+3\leq 17\\x \leq 17-3\\x\leq 14\ hours

Inequality B

16x+12(3)\geq 240\\16x\geq 240-36\\x\geq 12.75\ hours

The solution of the system is the interval {12.75,14]

All possible values for the number of whole hours tutoring that she must work to meet her requirements are

{13,14}

8 0
3 years ago
You are dealt one card from a satndard 52-card deck. Find the probability of being dealt an ace or a 7
ruslelena [56]

Answer:

2/13    or  15.38%

Step-by-step explanation:

Number of Aces in a deck = 4

Number of 7s in a deck = 4

Number of cards in a deck = 52

Probability of A or 7 = (4 Aces + 4 Sevens) / 52 cards                                          8 cards / 52 cards

This simplifies to                           2/13    or  15.38%

3 0
2 years ago
How many feet are in 40 inches
Solnce55 [7]

Answer:

3.33

Step-by-step explanation:

4 0
3 years ago
0.25+(2.9 times 10^-3
gayaneshka [121]

Answer: .2529

Explanation:

1) 10^-3= .001

2).001*2.9=.0029

3) .25+.0029= .2529

6 0
3 years ago
Read 2 more answers
Please help ,this is the third time that i ha posted thi question
klio [65]
The answer is 14+8.125π units².
3 0
3 years ago
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