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dedylja [7]
2 years ago
10

Explain how you could use a number line to determine the number that is 7 more than -9. What is the number?

Mathematics
1 answer:
Rasek [7]2 years ago
8 0

Answer:

n = -2

Step-by-step explanation:

if n is the number, n is 7 more than -9, which means n - 7 = -9

n = 7 - 9 = -2

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For a production of sweeney todd in las vegas, orchestra seats cost $42 and mezzanine seats cost $25. if a group of 14 people sh
Lesechka [4]

Answer: 8 orchestra seats and 6 mezzanine seats.

Step-by-step explanation:

Let be "o" the number of orchestra seats they bought and "m" the number of mezzanine seats they bought.

Set up a system of equations:

\left \{ {{42o+25m=486} \atop {o+m=14}} \right.

You can apply the Substittution Method to solve the system of equations:

1. Solve for "o" from the second equation:

o=14-m

2. Substitute it into the first equation and solve for "m":

42(14-m)+25m=486\\\\588-42m+25m=486\\\\-17m=-102\\\\m=\frac{-102}{-17}\\\\m=6

3. Substitute the value of "m" into o=14-m and evaluate, in order to find the value of "o". This is:

o=14-6\\\\o=8

4 0
3 years ago
PLEASE HELP I WILL GIVE BRAINLIEST TO WHOEVER ANSWERS GOOD PLEASE
arlik [135]

Answer:

The y-axis.

Step-by-step explanation:

4 0
3 years ago
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A high school football quarterback has a lifetime pass completion rate of p = 0.15. A random sample of 15 of his games is select
GarryVolchara [31]

Answer: I think it’s skewed right

Step-by-step explanation:

5 0
3 years ago
Can anyone help me with this question
faust18 [17]

Answer:

Step-by-step explanation:

Like your other question, let's break it down systematically

6x + 9y - 9(6x - 3y + 8z)

Use the distributive property

6x + 9y - <u>9(6x - 3y + 8z)</u>

6x + 9y - 54x - 27y + 72z

Match like terms

6x - 54x = -48x

9y - 27y = -18y

72z - 48x - 18y

6 0
3 years ago
What is the answer to: -2x-y=-9
Nitella [24]
Y=9-2x, 9-2x=0, 2x=9, x=9/2, if you were asked to put it in standard form put down the first thing I said, if you were asked for solution then everything I said
3 0
3 years ago
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