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irinina [24]
3 years ago
11

What is the solution to 72+4·x≥400

Mathematics
1 answer:
hjlf3 years ago
5 0
X>82 you have to isolate the variable by dividing each side by factors that don’t contain the variable.
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A runner ran of a 5 kilometer race in 21 minutes. They ran the entire race at a constant speed.
IgorLugansk [536]

Answer:

4.2

Step-by-step explanation:

the kilometro is 5 and race is 21. 5÷21=4.2

6 0
2 years ago
An extremely handsome math teacher was on a farm and he counted 32 animals; all pigs and chickens. Then he counted the number of
statuscvo [17]

Answer:

12 pigs and 20 chickens

Step-by-step explanation:

Chicken = 2 legs

Pig = 4 legs

(15 * 4) + (17 * 2) = 88                          NO

(12 * 4) + (20 * 2) = 88                         Yes, and 12 + 20 = 32

7 0
2 years ago
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dybincka [34]
This is social studies put it i. Math don’t mean to be mean
6 0
3 years ago
Question progress<br> Homework Progress<br> The ratio 8:2 in its simplest form is
lidiya [134]

Answer:

4:1

Step-by-step explanation:

just divide by the highest numbe 2 in this case

6 0
3 years ago
-1 + 2x - x = x - 8 + (-x)
CaHeK987 [17]

Answer:

x = -7

Step-by-step explanation:

-1 + x = -8

x = -7

6 0
2 years ago
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