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3 years ago

Sam used 1609 apps she canceled 805of them how much did she cancel by dividing

Mathematics

1 answer:

Misha Larkins [42]3 years ago

5 0

For the picture that you have included, the answer is 2,414. You have to add 805+1609 which then equals to 2,414

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The braking distance, in feet of a car a Travling at v miles per hour is given.

irakobra [83]

The braking distance is the distance the car travels before coming to a stop after the brakes are applied

a. The braking distances are as follows;

The braking distance at 25 mph, is approximately 63.7 ft.

The braking distance at 55 mph, is approximately 298.35 ft.

The braking distance at 85 mph, is approximately 708.92 ft.

b. If the car takes 450 feet to brake, it was traveling with a speed of 98.211 ft./s

Reason:

The given function for the braking distance is D = 2.6 + v²/22

a. The braking distance if the car is going 25 mph is therefore;

25 mph = 36.66339 ft./s

$D = 2.6 + \dfrac{36.66339^2}{22} = 63.7 \ ft.$

At 25 mph, the braking distance is approximately 63.7 ft.

At 55 mph, the braking distance is given as follows;

55 mph = 80.65945 ft.s

$D = 2.6 + \dfrac{80.65945^2}{22} \approx 298.35 \ ft.$

At 55 mph, the braking distance is approximately 298.35 ft.

At 85 mph, the braking distance is given as follows;

85 mph = 124.6555 ft.s

$D = 2.6 + \dfrac{124.6555^2}{22} \approx 708.92 \ ft.$

At 85 mph, the braking distance is approximately 708.92 ft.

b. The speed of the car when the braking distance is 450 feet is given as follows;

$450 = 2.6 + \dfrac{v^2}{22}$

v² = (450 - 2.6) × 22 = 9842.8

v = √(9842.2) ≈ 98.211 ft./s

The car was moving at v ≈ 98.211 ft./s

Learn more here:

brainly.com/question/18591940

8 0

2 years ago

select the correct answer. Consider the function f. Which statement is true about function f? NO LINKS!!

andre [41]

Answer:

C) As x approaches positive infinity, f(x) approaches positive infinity

Step-by-step explanation:

The domain is NOT all real numbers as x is either smaller than or bigger than 0, and smaller than or bigger than 2. So x ≠ 0 and x ≠ 2.
This implies that there are asymptotes at x=0 and x=2.
Therefore, the function is NOT continuous.

The function is NOT increasing over its entire domain as
f(x) = -x² -4x + 1 is decreasing for its given domain of 0<x<2

8 0

2 years ago

Which table of values includes solutions to the function f(x) = -2x^2?

olga_2 [115]

The table could include values like this:
x y
-2 -8
-1 -2
0 0
1 -2
2 -8

3 0

3 years ago

The ratio of my action to comedy movies is 4:5. If I have 35 comedy movies, how many are action? *

iogann1982 [59]

Answer:

28 action movies

Step-by-step explanation:

Set up a proportion: $\frac{4}{5} = \frac{x}{35}$
Cross multiply, then divide: 35 × 4 = 140, 140 ÷ 5 = 28
So, if you have 35 comedy movies, you would have 28 action movies.

I hope this helps!

8 0

3 years ago

What is the best approximation for the area of a circle diameter of 19 m?

Maslowich

The formula for an area of a circle is
A=pi times radius squared

there for you do pi times 9.5 to the power of two/squared (radius is half of the diameter so 19 divided by 2 is 9.5)

pi times 9.5 squared
= 283.5

I rounded to the nearest tenths

7 0

3 years ago