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salantis [7]
3 years ago
13

What is the answer to this

Mathematics
2 answers:
blagie [28]3 years ago
5 0
The answer would be -7 n= -7 because a negative times a negative equals a postive
Zanzabum3 years ago
5 0
You divide 7 by each side and you get -5
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Sebastian saved money in his piggy bank. He kept track on how much money he saved at the end of each week on the line graph belo
Luba_88 [7]

Answer:

$90

Step-by-step explanation:

Look at the number 7 on the bottom right of the graph. That means at the end of 7 weeks. Now look vertically up from there until you see a point directly above 7 weeks. Look to the left of that point, and you see that the point directly above 7 weeks is at the level of $90. That means that at the end of 7 weeks, he had $90.

4 0
3 years ago
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beks73 [17]

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c

Step-by-step explanation:

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3 years ago
Find the domain of the function. (Enter your answer using interval notation.) f(x) = 9x² + 6x – 1​
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Step-by-step explanation:

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7 0
2 years ago
An athlete runs 3.2 miles a day. How long would it take for an athlete to run 24 miles?​
r-ruslan [8.4K]

Answer:

3.2x=24

x=24*3.2

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Step-by-step explanation:

6 0
3 years ago
NEED HELPPP!! 18 19 and 20 PLEASEEEE URGENT
Yanka [14]

Answer:

18. 368 students

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20.

Step-by-step explanation:

18.

students : faculty

23:5

x : 80

in total, there are 23+5 parts = 28 parts

5/28 = 80 faculty members

so 23/28 = x students

so use the find for one method.

If 5/28 = 80, then

80/5 = 1 member

so to find for 23 members,

80/5 × 23

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20.

h = height of tree

h = 8.5 shadow

3 = 3.75 shadow

If 3.75 = 3

then 1 ft shadow = 3/3.75

then 8.5 ft shadow = 3/3.75 × 8.5

=6.8 ft tree.

proportion: 3/3.75 = h/8.5

answer: 3/3.75 = 6.8/8.5

7 0
3 years ago
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