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Verizon [17]
3 years ago
7

5 times a number increased by 4 is at least nineteen

Mathematics
1 answer:
Anna35 [415]3 years ago
5 0

Answer:

5(x+4) ≥ 19

x ≤  -1/5

Step-by-step explanation:

5(x+4) ≥ 19

5x + 20 ≥ 19

5x ≤  -1

x ≤  -1/5

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Please help me out on this​
LenKa [72]

Answer:

D

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3 years ago
What is the solution to the system of equations shown below?
goblinko [34]

Answer:

  b.  (2, 5, 3)

Step-by-step explanation:

Trying the offered choices seems the fastest way to find the answer. The second choice works in all equations, hence is the solution.

Another strategy you can use is to see if the equations are dependent. Here, it looks like adding twice the third equation to the other two eliminates at least the x- and y-variables. If that eliminates z, then there are infinite solutions. Instead, it gives the equation ...

  7z = 21

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This answer is consistent with choice B, confirming that answer and eliminating the other choices.

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3 years ago
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What are the x- and y-intercepts for a line with one point at (2,1) and another at (6,3)?​
OverLord2011 [107]

Answer:

x - intercept = 0 and y - intercept = 0

Step-by-step explanation:

Using the two point slope intercept form, the formula is;

(y - y1)/(x - x1) = (y2 - y1)/(x2 - x1)

We are given the intercepts to be at

(2,1) and (6,3).

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Plugging into the equation, we have;

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Cross multiply to get;

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Now, the x intercept will occur at y = 0.

Thus,

2(0) = x

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Also, the y intercept occurs when x = 0.

So, 2y = 0

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5 0
2 years ago
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Ymorist [56]

Answer:

The answer is (0)15

Step-by-step explanation:

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4 0
2 years ago
If b – 4 = -12, what is the value of b?
suter [353]

Answer

b=-8

Step-by-step explanation:

b-4=-12

+4    +4

b=-8 =)

3 0
3 years ago
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