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belka [17]
3 years ago
6

The base of a cone can be

Mathematics
1 answer:
antoniya [11.8K]3 years ago
4 0
The answer is C, it's like a flat circle.
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Matti has 1 more pencils than Chang lin. Renaldo has three times as many as Chang lin.
Gnom [1K]

Answer:

Step-by-step explanation:

First, you know that Matti's number of pencils is equal to c + 1. C represents Chang lin's amount of pencils. R, which is Renaldo, is equal to c x 3. However, you can't solve this equation without the total number. Perhaps was there something you forgot to include?

7 0
4 years ago
Please help me thank you
Anna11 [10]

Answer:

\large\boxed{-\dfrac{8}{\sqrt{63}}}

Step-by-step explanation:

\csc\theta=\dfrac{1}{\sin\theta}\\\\\cos\theta=-\dfrac{1}{8}\qquad\text{use}\ \sin^2\theta+\cos^2\theta=1\\\\\sin^2\theta+\left(-\dfrac{1}{8}\right)^2=1\\\\\sin^2\theta+\dfrac{1}{64}=1\qquad\text{subtract}\ \dfrac{1}{64}\ \text{from both sides}\\\\\sin^2\theta=\dfrac{64}{64}-\dfrac{1}{64}\\\\\sin^2\theta=\dfrac{63}{64}\to\sin\theta=\pm\sqrt{\dfrac{63}{64}}\\\\180^o

\csc\theta=\dfrac{1}{-\frac{\sqrt{63}}{8}}=-\dfrac{8}{\sqrt{63}}

5 0
3 years ago
Linda shoots an arrow at a target in an archery competition. The arc of the arrow can be modeled by the equation y= -0.02x to th
rusak2 [61]

Answer:

37.8metres

Step-by-step explanation:

The arc of the arrow can be modeled by the equation:

y=-0.02x²+0.65x+4

Where x is the horizontal distance (in meters) from Linda and y is the height (in meters) of the arrow.

The arrow hits the ground when its height (y) is zero.

Therefore, we determine the value(s) of x for which:

y=-0.02x²+0.65x+4=0

Using a calculator to solve the quadratic equation:

x=37.79 or -5.29

Since the distance cannot be a negative value, we ignore -5.29.

The distance from Linda when the arrow hits the ground is 37.8metres (to the nearest tenth)

7 0
3 years ago
Read 2 more answers
What is the equation of the line shown in the graph? Write the equation in standard form.
andrew-mc [135]
X=-2
In standard form:
x=2^-1

Hope this helps :)
4 0
4 years ago
How do you factor this
Sladkaya [172]
It is not factorable.
4 0
3 years ago
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