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kondor19780726 [428]
3 years ago
8

Write an algebraic expression to represent the English sentence.

Mathematics
1 answer:
OleMash [197]3 years ago
4 0

Answer:

1. 4n <u>></u> 51

2. 3x-2 = x+5

Step-by-step explanation:

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Solve the equation -9v-9=-27 for v.
Nikolay [14]

Answer:

v=2

Step-by-step explanation:

-9v-9=-27

add nine to both sides

-9v-9+9=-27+9

simplify

-9v=-18

divide both sides by -9

-9v/-9   -18/-9

simplify y=2

hope this helps :) have a nice day !!

4 0
3 years ago
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Which of the following has a solution set of {x | x = 0}?
Oliga [24]
Middle option.

<span>(x + 1 ≤ 1) ∩ (x + 1 ≥ 1)

If you work both sides separately you get

</span>(x  ≤ 0) ∩ (x ≥ 0)
<span>
which reduces nicely to 

</span><span>{x | x = 0}</span>
3 0
3 years ago
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Roberto wants to make $2.00 using half of dollar, and quarters.how many different ways can he make $2.00
Alik [6]
A half a dollar is 50 cents. If you want to use quarters, you would need 6 more quarters to make 2 dollars.
6 0
3 years ago
How many ways can a person toss a coin 13 times so that the number of heads is between 7 and 10 inclusive?
maks197457 [2]

Answer:

4004

Step-by-step explanation:

The number of combinations of choosing r objects from a group of n is nCr.

So the number of ways to get 7, 8, 9, or 10 heads from 13 coin tosses is:

₁₃C₇ + ₁₃C₈ + ₁₃C₉ + ₁₃C₁₀

= 1716 + 1287 + 715 + 286

= 4004

3 0
2 years ago
Winston earns $140.00 by selling 56 hot dogs at the concession stand at school. Using the same rate for
Free_Kalibri [48]

Answer:

140/56= 2,5$ every hot dog

175/2,5=70 hot dogs

70-56=14 more hot dogs to earn 175$

Step-by-step explanation:

7 0
3 years ago
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