What is the distance between the points (7, 8) and (-8, 0) on a coordinate grid

Mathematics

2 answers:

MArishka [77]3 years ago

7 0

The distance is 17 hope this helps you

enot [183]3 years ago

5 0

Answer:

the distance is 17

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A skate ramp is 4.2 meters long. It rises up 1.7 meters. What’s is the angle of elevation to the nearest tenth of a degree?

Kipish [7]

Θ
=
arcsin
(
.7
4.2
)
≈
10
∘
Explanation:
We view the ramp as a right triangle. The hypotenuse is 4.2 and the vertical side .7, which is opposite the angle
θ
we seek.
sin
θ
=
.7
4.2
=
1
6
I'm going to finish the problem but I'll note if we were actually building the ramp we don't need to know the angle; this sine is sufficient.
θ
=
arcsin
(
1
6
)
θ
≈
10
∘
which I think is a pretty steep ramp for a wheelchair.
There will be another inverse sine that is the supplementary angle, around
170
∘
, but we can rule that out as a value for a ramp wedge angle.

4 0

3 years ago

F(x) = 9x-7. If f(x)= -7, find x.

svlad2 [7]

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3 0

3 years ago

12-2²·2=? Brainliest

zloy xaker [14]

Answer:

it would be 4

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Step-by-step explanation:

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3 years ago

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Plutonium-240 decays according to the function where Q represents the quantity remaining after t years and k is the decay consta

taurus [48]

Note: a radioactive decay constant is always negative.

time = [natural log(ending amount / beginning amount)] / k
time = ln (20 / 24) / -.00011
time = ln (5/6) / -.00011
time = -.018232155683 / -.00011
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HELP!!!!! I do not understand how to do this! Could someone please explain to me how I would solve this problem?

maks197457 [2]

Yeah man nearly there

3 0

3 years ago