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3 years ago

Gerald drives 200 miles in 2 1/2 hours. what is gerald's average speed?

Mathematics

1 answer:

Dimas [21]3 years ago

3 0

Answer:

80mph

Step-by-step explanation:

200 divided by 2 1/2 is 80.

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WILL GIIIIIVE BBBRRRRAAAIIINNNNLLLLLIIIEESSTTTT!!!!!

meriva

5y and 155 create a straight line so:

5y + 155 = 180
5y = 25
y = 5

5y and 13x create a 90 angle so:

5y = 5(5) = 25

25 + 13x = 90
13x = 65
x = 5

Hope this helps :)

3 0

3 years ago

Read 2 more answers

The scale of a map is 1 inch = 70 miles. If two cities are 5 ½ inches apart on the map, how many miles apart are they?

kondaur [170]

70x5 1/2=385

385 miles

4 0

3 years ago

What are the zeros of the quadratic function f(x) = 8x^2 – 16x – 15

Alex73 [517]

<span> zeros of the quadratic function when f(x) = 0
so
</span><span>8x^2 – 16x – 15 = 0
(8x + 5)(x - 3) = 0
8x + 5 = 0; x = -5/8
x - 3 = 0; x = 3

Answer
x = -5/8 and x = 3</span>

6 0

4 years ago

1) Given a cone 10 feet tall with a diameter of 10 feet, determine the radius of the smaller cone created when a horizontal plan

True [87]

Answer:

The radius of the base of the small cone is 3 feet

Step-by-step explanation:

The question requires the determination of the radius of the smaller cone

Therefore, height of the larger cone = 10 feet

Base diameter of the larger cone = 10 feet

Height of horizontal plane of small plane above base of larger cone = 4 feet

Hence the height of the small cone = 6 feet

Therefore, by similar triangles, and tangents we have;

$\frac{Height \, of \, small \, cone}{Height \, of \, larger\, cone} =\frac{Diameter \, of \, base \, of \, small \, cone}{Diameter \, of \, base \, of \, larger \ cone} =\frac{6}{10} = \frac{x}{10}$

Where:

x = The diameter of the base of the small cone

Therefore;

${x} = \frac{6}{10} \times 10 = 6 \, feet$

The radius of the base of the small cone = half the diameter of the base of the small cone

∴ The radius of the base of the small cone = (6 feet)/2 = 3 feet.

5 0

3 years ago

Can somebody help me with this please

barxatty [35]

Answer:

2 bottles

Step-by-step explanation:

The 15 trees will need ...

(15 trees)×(10.5 fl oz/tree) = 157.5 fl oz

This is about ...

(157.5 fl oz)/(33.814 fl oz/L) ≈ 4.66 L

This is just slightly more than the quantity available in 1 bottle. It amounts to ...

4.66 L/(4.1 L/bottle) ≈ 1.14 bottles

We assume that only whole bottles can be purchased, and that we do not have an inventory of fertilizer on hand.

2 bottles are needed to fertilize 15 trees

8 0

3 years ago