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Lemur [1.5K]
3 years ago
8

If 7x + 4 = -19 + 5x, then 2x – 14 equalsA-23B 23C-37D-14​

Mathematics
1 answer:
drek231 [11]3 years ago
7 0

Answer:

C

Step-by-step explanation:

Here we have the question,

7x+4 = -19 + 5x

Now we add 19 to both sides,

7x + 4 + 19 = -19 + 19 + 5x

7x + 23 = 5x

Now we subtract 7x from both sides,

23 = -2x

We divide -2 from both sides,

x = -23/2

Now we plug this in into 2x - 14,

2(-23/2) - 14 = -23-14 = -37

Our answer is C

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What is the slope of 4x+5y= -10
Aleonysh [2.5K]

Answer:

-\frac{4}{5}

Step-by-step explanation:

To find the slope, rearrange the equation to y=mx+b or y=mx+c.

4x+5y=-10

Subtract 4x from both sides:

5y=-10-4x

Divide 5 on both sides:

y=\frac{-10-4x}{5}

y=-\frac{4}{5} x-2

In the equation of y=mx+b/y=mx+c, m will be the slope.

Therefore, the slope is -\frac{4}{5}

6 0
3 years ago
Michael reads 12 pages of a book in 18 minutes, 8 pages in 12 minutes,and 20 pages in 30 minutes. Is this a proportional relatio
maria [59]

Answer:

  • y = 2/3x

Step-by-step explanation:

<u>Reading rate is y pages per x minutes and proportional relationship formula is:</u>

  • y = kx

<u>The coefficient is:</u>

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<u>Let's verify if the given numbers fit into the same relationship:</u>

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  • 8/12 = 2/3
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We confirm all same and it means k = 2/3

<u>Required equation is:</u>

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This represents that Michael reads 2 pages per 3 minutes and for x minutes he reads 2/3x pages

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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5 0
3 years ago
Which type of debt is often unsecured?
kramer

Answer: mortgage

Step-by Step explanation :

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3 years ago
Find the Simple Interest on a loan of ₦60,000 at the rate of 3% for 3½ years.
dedylja [7]

Answer:

6300

Step-by-step explanation:

T = 3 1/2 = 7/2

R = 3% = 3/100

P = 60,000

I = PRT

I =60,000×3/100×7/2

I =6300

3 0
3 years ago
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