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andreyandreev [35.5K]
3 years ago
15

Help me ill give u a thanks!

Mathematics
1 answer:
stiv31 [10]3 years ago
5 0

Answer:

11. 68.6 mph

12. 5/6 page (0.83)

Step-by-step explanation:

You simply divide them (remember the word "per" means divide).

\dfrac{120}{1 \frac34} \approx 68.6

\dfrac{8 \frac13}{10} = \frac56

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Which equation represents a line that is perpendicular to the line whose equation is -2y=3x+7
notsponge [240]

Answer:

Any line with the slope of 2/3 would be perpendicular.

Step-by-step explanation:

To find this, first solve the equation for y.

-2y = 3x + 7

y = -3/2x - 7/2

Perpendicular lines always have opposite and reciprocal slopes. Therefore, we flip the slope in the original equation (-3/2 becomes -2/3) and then we change the sign (-2/3 becomes 2/3)

8 0
3 years ago
You are told that having a college education increases a person's earnings by 30% over their lifetime. a non-college graduate ea
ludmilkaskok [199]
To start, determine how much a non-college graduate would earn over a 40 year period by multiplying their yearly salary by 40, 30,000*40=120,000. Next, increase it by 30%. Do this by taking 30% of 120k to find out how much more money you would make in comparison to a non-college grad, 120,000*.3=36,000. This means a college grad would make $36,000 more than a non-college grad.
5 0
3 years ago
A line passes through the points (8, 1) and (6, 7). What is the slope of the line? Answer choices: A)-3 B) -1/3 C) 1/3 D)3
Fittoniya [83]

Answer:

a) -3

Step-by-step explanation:

3 0
3 years ago
a gardener uses a tray of 6 conical pots to plant seeds. each conical pot has a radius of 3 centimeters and a depth of 8 centime
lubasha [3.4K]
The volume of a cone is one-third of the product of the area of the base times the height, i.e.

(1/3)π(r^2)*h = (1/3)π(3cm)^2 *(8cm) = 75.40 cm^3

Now multiply that by the number of cones: 6 * 75.40 cm^3 = 452.40 cm^3.

Then the answer is 452 cm^3
3 0
3 years ago
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I need help plz help
ivanzaharov [21]

Answer:

B. 70%

Step-by-step explanation:

7/10 of the numbers are more than 5

7/10= 70%

5 0
3 years ago
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