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guajiro [1.7K]
2 years ago
11

Show work please! this is due tmr

Mathematics
2 answers:
Varvara68 [4.7K]2 years ago
4 0

Answer:

-120

Step-by-step explanation:

subtract 45 to both sides

m/8 = -15

multiply by 8 on both sides.

with the fraction just multiply by the bottom number to make m by itself.

m = -15*8

m= -120

Assoli18 [71]2 years ago
4 0

Answer:

-120

Step-by-step explanation:

30-45= -15

-15×8= -120

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1) 2a = 9b    ⇒ 2:9

2) a + b = 3b   ⇒   a = 2b   ⇒   1:2

Answers: 2:9  and  1:2

6 0
3 years ago
2. What is the slope of the graph of 4x + 5y = 10?
Temka [501]

Answer:

-0.8 or -4/5

Step-by-step explanation:

You could do this a couple of ways. If you wanted to change your equation into slope-intercept form to make it easier for you, then you can do as follows:

4x + 5y = 10

5y = -4x + 10

y = -4/5x + 2

So your slope is -4/5.

Or you could do -A/B when your equation is in standard form. A is the term in front of the x value and B is the term in front of the y. Both strategies give you -4/5 for the slope.

8 0
3 years ago
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A rich relative dios and you inherit $120,000. How much will you have for your retirement of age 60) if you invest the inheritan
Alchen [17]

To answer this question we will use the following formula for compounded monthly interest:

A=A_0(1+\frac{r}{12})^{12t},

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Notice that:

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Simplifying the above result we get:

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2 years ago
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irinina [24]
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6 0
4 years ago
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algol [13]

Answer:

The least attractive offer is the fourth case a starting salary of $105,000 with a 4% increase each year

Step-by-step explanation:

I attach the full question below

This question can be modeled as a geometric sequence over seven years

Formula

and the general formula will be:

R = k[(1+i)^n - 1]/i

Where

i represents the increase in percentage annualy,

n the number of years

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(125,000)(1.02^7 - 1)/0.02 = $929,285.4

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