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pishuonlain [190]
3 years ago
12

HELP!!! I RLY NEED HELP WITH THIS!

Mathematics
2 answers:
Nina [5.8K]3 years ago
8 0

Answer:

the first one is no solution

the second one is one solution

the third one is many solutions

Step-by-step explanation:

OLga [1]3 years ago
6 0
First answer is the x=2
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Help and you get 20 points and you will feel good i hope
Sergeu [11.5K]

Answer:

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Step-by-step explanation:

The -1 1/4 is farther away from 0 than -1, which means it's less than -1.

3 0
3 years ago
What is the volume of a hemisphere with a radius of 2.3m round to the nearest tenth of a cubic meter
kodGreya [7K]

Answer: 25.5 m^{3}

Step-by-step explanation:

If the volume of a sphere is

V=\frac{4}{3} \pi r^{3}

Where r=2.3 m is the radius

The volume of a hemisphere is half the volume of the total sphere:

V_{hemisphere}=\frac{V}{2}=\frac{\frac{4}{3} \pi r^{3}}{2}

V_{hemisphere}=\frac{2}{3} \pi r^{3}

Solving this equation:

V_{hemisphere}=\frac{2}{3} \pi (2.3 m)^{3}

Finally:

V_{hemisphere}=25.48m^{3} \approx 25.5 m^{3}

5 0
3 years ago
The point P(9, 12) is on the terminal side of θ. Evaluate cos θ.
frutty [35]
<span>P(9,12): For all intents and purposes, the hypotenuse is "r", the opposite side is "y", and the adjacent side is "x".

x = 9 (from the P(9,12))
y = 12 (also from the point)

Using the Pythagorean Theorem, you find out that r = 15.

Therefore, since cos θ = x/r
cos θ = 9/15 or 3/5

Answer: 3/5</span>
7 0
3 years ago
Rory is staying in a cabin on a hill 300 feet above sea level. She walks down the hill to the water’s edge. The equation of her
Tatiana [17]
<span>The equation is e = 300 - 10t. t is greater or equal than 0 and given that e cannot be negative, 300 - 10 t greaetr or equal than 0 => 10 t greater or equal than 300, and t greater or equal than 300/10 = 30. This is the viable points are times from 0 to 10 and elevation from 300 to 0. Some points are (0,300) which is the initial point (when Rory is on the top); (1, 290); (2, 280); (3, 270); (4, 260); (5, 250); (6, 240); (10, 200), (20, 100), (30, 0).</span>
7 0
3 years ago
Read 2 more answers
Can someone help me with this please :)
lorasvet [3.4K]

Answer:

:)

Step-by-step explanation:

I have no idea in the slightest

8 0
3 years ago
Read 2 more answers
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