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aivan3 [116]
2 years ago
15

What are the values of A and B?

Mathematics
1 answer:
Darina [25.2K]2 years ago
6 0
I think that either A or B have to be the number of days
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15.5 × [(2 × 2.4) + 3.2] – 16
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108

Step-by-step explanation:

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Marty started a lawn mowing business. He kept track of his expenses and earnings in a table.
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Find the value of x. A. 0 B. 3 C.4 D. 12.
aleksandrvk [35]

Answer:

B = 3

Step-by-step explanation:

3x + 15 = 4x + 12

= 15-12=4x-3x

= 3 = x

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8 0
2 years ago
I just need to find out the last question that is in red. I don't know how to find the year when the median house values will be
Ganezh [65]

Answer:

1924.3

Step-by-step explanation:

Ok

You need to write an expression for the change in value

the change is linear, so you will get a line equation y = mx + b

y-axys : value

x-axys : years

New Hampshire:

Slope = \frac{133300-37600}{2000-1950} = 1914

the y-intercept will be 37600 because you can assume that 1950 = 0, and 2000 = 50

y = 1914*x + 37600

Massachussets:

Slope = \frac{185700-55400}{2000-1950} = 2606

Same as above, the y-intercept is 55400

y = 2606*x + 55400

Now you need to equal the value for both and find the year "x"

1914x + 37600 = 2606x + 55400

- 692x = 17800

x = -25.7

Since i considered x = 0 to be 1950; the actual year is 1950 - 25.7 = 1924.3

5 0
2 years ago
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