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Sunny_sXe [5.5K]
3 years ago
12

.

Mathematics
1 answer:
denpristay [2]3 years ago
3 0

Answer:

x = 10, y = 0

Step-by-step explanation:

x + y = 10 ---> x = 10 - y

3x + 2y = 30

3 (10 - y) + 2y = 30

30 - 3y + 2y = 30

y = 0

x + 0 = 10

x = 10

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Solve |x| + 7 < 4. Please help
PilotLPTM [1.2K]

Answer:

  no solution

Step-by-step explanation:

Subtract 7 from both sides of the inequality:

  |x| +7 -7 < 4 -7

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This has <u>no solution</u>, because an absolute value cannot be negative.

4 0
4 years ago
The new donut shop sold 210 donuts in the first hour at the same rate how many donuts would the shop sell in 90 minutes solve th
Ludmilka [50]

Answer:

315 (D)

Step-by-step explanation:

210/60 to get donuts per minute = 3.5 donuts per minute

3.5x90= 315

3 0
3 years ago
The quotient of the opposite of 30 and 6 plus the opposite of 8
Alina [70]
First, let's turn this sentence into a mathematical expression:
The quotient of the opposite of 30 and 6 means we're dividing negative 30 by 6. The next part, "plus the opposite of 8" means we want to add -8 to whatever we get from -30/6. So we have:
\frac{-30}{6}+(-8)
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5 0
4 years ago
Read 2 more answers
Is y= x2-1 a linear equation
Mekhanik [1.2K]
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4 0
3 years ago
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AlexFokin [52]

Answer:

n = 73

Step-by-step explanation:

<h2>—Math</h2>

8² = x ==> x = 64

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3 years ago
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