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Zina [86]
3 years ago
14

What is the solution to the equation 1.2m − 0.8 = −2.0m?

Mathematics
2 answers:
tigry1 [53]3 years ago
8 0
Your answer to this problem is 0.25
suter [353]3 years ago
6 0

Answer:

m = 0.25

Step-by-step explanation:

1.2m − 0.8 = −2.0m

Both side +2.0m

1.2m+2.0m-0.8=-2.0m+2.0m

Both side +0.8

3.2m=0.8

Both side divided by 3.2m

\frac{3.2}{3.2}m=\frac{0.8}{3.2}

1×m=\frac{0.8}{3.2}

m = 0.25

The answer is 0.25

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An african elephant weighs 6 tons. what is the weight of the elephant in pounds?
sesenic [268]
6 tons to pounds is 12,000 pounds. So the elephant weighs 12,000 lbs.
8 0
3 years ago
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The equation of a line y=2x+14. If the slope is doubled and the y-intercept is reduced by 5, what will be the new equation?
miss Akunina [59]

Answer:

y = 4x + 9

Step-by-step explanation:

Given the linear equation, y = 2x + 14 where:

slope (m) = 2

y-intercept (b) = 14

Doubling the slope: 2 × 2 = 4

Reducing the y-intercept by 5:  14 - 5 = 9

Therefore, the new linear equation is:

y = 4x + 9

8 0
3 years ago
To convert 360 inches to yards you would use the ratio 36 inches over 1 yard True Or False?
grandymaker [24]

Answer:

False

Step-by-step explanation:

we know that

1 yard= 36 inches

To convert 360 inches to yards

Multiply

(360)*(1/36)=10 yards

therefore

You would use the ratio 1 yard over 36 inches

5 0
3 years ago
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A bookstore is giving a discount of $9 on paperback books that normally sell for $25. What is the discount rate?
svlad2 [7]
The answer is 36%

~Hope this was of help~
7 0
4 years ago
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17) The total cost to produce x units of paint is C(x) = (5x + 3)(7x + 4). Find the marginal
Bad White [126]

Answer:

17) MC(x) = 35 − 12/x²

18) R(x) = -0.05x² + 80x

Step-by-step explanation:

17) The marginal average cost function (MC) is the derivative of the average cost function (AC).

AC(x) = C(x) / x

MC(x) = d/dx AC(x)

First, find the average cost function:

AC(x) = C(x) / x

AC(x) = (5x + 3)(7x + 4) / x

AC(x) = (35x² + 41x + 12) / x

AC(x) = 35x + 41 + 12/x

Now find the marginal average cost function:

MC(x) = d/dx AC(x)

MC(x) = 35 − 12/x²

18) x is the demand, and p(x) is the price at that demand.  Assuming the equation is linear, let's use the points to find the slope:

m = (40 − 50) / (800 − 600)

m = -0.05

Use point-slope form to find the equation of the line:

p(x) − 50 = -0.05 (x − 600)

p(x) − 50 = -0.05x + 30

p(x) = -0.05x + 80

The revenue is the product of price and demand:

R(x) = x p(x)

R(x) = x (-0.05x + 80)

R(x) = -0.05x² + 80x

7 0
4 years ago
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