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Dominik [7]
3 years ago
12

-5/7 divided by -1/3

Mathematics
1 answer:
MAXImum [283]3 years ago
4 0

Step-by-step explanation:

invert the second fraction and multiply

-5/7 * -3/1 = 15/7 = 2 1/7

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Fred has 45 books. Sally has 27 times more books than Fred. How many books does Sally have?
hodyreva [135]

Answer:

fred = 45 books

sally has 27 times more book than fred

sally = 45 X 27

= 1215 books

5 0
3 years ago
Which of the following statements describe the graphs of the solution set flr this inequality select two that apply
Helga [31]

Answer:

1st . The shaded region of the graph ....

2nd. The graph line is solid.

4th. The ordered pair (2 ; 5) is part of the solution set.

Step-by-step explanation:

. Because y is <u>greater</u> or equal than the line, everything above the line is part of the solution.

. Since y is greater or<u> equal</u>, the line is solid. If y was only greater the line would have been dotted.

. The pair (2 ; 5) represent the x = 2 w/ y = 5, and reading the graph you can see the at this point the lines passes through it.

7 0
3 years ago
| 2x + 2y = 10<br> y = 5+x
melisa1 [442]
2x + 2(5+x)=10
2x+10+2x=10
4x+10=10
4x=0
X=0
6 0
3 years ago
Collin is building a deck on the back of his house. He has enough lumber for the deck to be 144 square feet. The length should b
joja [24]
Width = x
length = x+10

Area of deck = 144 square feet

Area = length * width

144 = x(x+10)

Solving for x in a quadratic:

x²+10x = 144
x²+10x-144 = 0

Factor:
(x+18)(x-8) = 0

Solving for x:
x = 8, x = -18

Dimensions cannot be negative, therefore x = 8, only.

Length = x + 10
Length = 18

Width = 8
4 0
3 years ago
What is the answer to this?
NARA [144]

Answer:

See work for 3 answers

Step-by-step explanation:

You can add the exponents

(-8)^{12}

also could be stated as

(8)^{12}

numerical value

6.87194767 × 10^{10}

5 0
3 years ago
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