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ValentinkaMS [17]
3 years ago
12

Find the solution(s) to the equation below. x2 + 7x - 10 = 0

Mathematics
1 answer:
andre [41]3 years ago
6 0
Your Answer Would Be ..
X = 10/9
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The diameter of a circle is 34 millimeters. What is the circle's area?<br> Use 3.14 for ​.
icang [17]

Answer:

907.46 mm2

Step-by-step explanation:

Area of circle = (¶d^2)/4

d = 34 mm

Therefore

Area A = (3.14 x 34^2)/4

= 907.46 mm2

6 0
3 years ago
each day alyssa jogs for 25 minutes on a treadmill she jogs 135 meters a minute at the speed at which alyssa is jogging how many
Fittoniya [83]

Answer: she is jogging 2.25 i think

Step-by-step explanation:

im sorry im not sure i just divided 135 by 60 but i dont think its right:(

5 0
3 years ago
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
3 years ago
Price reduced<br> 25% off<br> Now £14 625<br> Work out the price of the car before it was reduced.
kap26 [50]

Step-by-step explanation:

let x be the original.price

so x * 75/100= 14625

x=19500

so the price of car before it was reduced was 19500

3 0
3 years ago
Recall that a point on the unit circle represents (cos(θ, sin(θ)) for an angle in standard position. If θ = 60°, then for what o
Lina20 [59]
Can you please upload the picture again
6 0
2 years ago
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