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spin [16.1K]
3 years ago
11

Substitution for math

Mathematics
1 answer:
ASHA 777 [7]3 years ago
8 0

Explanation:

The method of solving "by substitution" works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other. Then you back-solve for the first variable.

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Jessica is saving up for a coat and knows she ll need to spend at least $150 to get the one she wants. She saves $20 each month.
tresset_1 [31]
The correct answer is B.
7 0
4 years ago
Which expression is equivalent to 5^10 • 5^5
Masja [62]

Answer:

5^15

Step-by-step explanation:

5^10•5^5

When bases are same powers are to be added

5^10+5

5^15

7 0
4 years ago
Read 2 more answers
Does adding a positive or negative number change the inequality symbol?
ra1l [238]
Hello there!

The answer to your question is NO.

The only thing that would flip the inequality symbol would be multiplying or dividing by a negative number.

I hope this helps!
-HuronGirl
8 0
3 years ago
PLZ HALP DUE IN LIKE 3 MIN PLZZZZZZZZZZ TwT
natka813 [3]

Answer:

A. The distance is the same

Step-by-step explanation:

This is like absolute value. No matter the side of 0 that the point is on, it is still the same distance from zero. The direction left or right is different, but it doesn't ask for that. Both 6 and -6 is 6 units away from 0.

4 0
3 years ago
2. f(x) = 3ǀ2x - 1ǀ + x, what is the output for the input -4? <br> im stumped pls help
rewona [7]

Answer:

output = 23

Step-by-step explanation:

x = -4

f(x) = 3ǀ2x - 1ǀ + x

f(x) = 3ǀ2(-4) - 1ǀ + (-4)

f(x) = 3ǀ2(-4) - 1ǀ - 4

f(x) = 3ǀ-8 - 1ǀ - 4

f(x) = 3ǀ-9ǀ - 4

f(x) = 3(9) - 4

f(x) = 3(9) - 4

f(x) = 27 - 4

f(x) = 23

5 0
3 years ago
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