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Akimi4 [234]
3 years ago
8

Solve the inequality 3(x + 1) + 2(x + 2) > 0.

Mathematics
1 answer:
andrezito [222]3 years ago
7 0

Answer:

-7/5

Step-by-step explanation:

3(x + 1) + 2 (x + 2) >0

(3x + 3) + (2x + 2 * 2) >0

(3x + 3) + (2x + 4) >0

= -7/5

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Solve the system of equations<br> 12x-5y=-20<br> y=x+4<br><br> x=_______<br><br> y=_______
pashok25 [27]

Answer:

x = 0

y = 4

Step-by-step explanation:

Given

12x - 5y = -20

y = x + 4

Substitute x + 4 for y in the first equation

12x - 5(x + 4) = -20

Expand the bracket

12x -5 X x - 5 x 4 = -20

12x - 5x - 20 = -20

7x - 20 = -20

Add 20 to both sides to eliminate -20 on the left side

7x - 20 + 20 = -20 + 20

7x = 0

Divide both sides by 7 to isolate x

7x/7 = 0/7

x = 0

Substitute 0 for x in either equation to get y

Using equation 2, we have

y = x + 4

= 0 + 4

= 4

x = 0

y = 4

3 0
3 years ago
How many #5 cans of potato salad are required to serve 210 people if each can has 3 pounds 8 ounces of potato salad and each ser
9966 [12]
210 times 5 then divided by 3.8
so rounding up, 277 cans
5 0
3 years ago
Fill in the blanks with the correct symbol to make each statement true. Use +,-, x, divide or parentheses to obtain the given so
Stolb23 [73]

Answer:

4×4÷4+4=4

(4×4+4)÷4=5

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5 0
3 years ago
What is the probability that a client chooses Greece, or Italy, or both countries, on a tour?
Jlenok [28]

Answer:

Both

Step-by-step explanation:

5 0
3 years ago
What are the answer to this question
IrinaK [193]

Answer: t=-3h+25

Step-by-step explanation:

t=-3h+25

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7 0
3 years ago
Read 2 more answers
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