2 years ago

Calories Used While Swimming for 30 Minutes

Mathematics

1 answer:

77julia77 [94]2 years ago

3 0

Answer:

C.
Bar graph

Step-by-step explanation:

WHen you have a lot of data like this, it is best that you use bar graphs. If it is incorrect I am sorry.

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PLEASE HELP (100 POINTS)

omeli [17]

$\\ \rm\Rrightarrow 2sin^2x=1-cosx$

$\\ \rm\Rrightarrow 2sin^2x=1-1+sin^2x$

$\\ \rm\Rrightarrow 2sin^2x-sin^2x=0$

$\\ \rm\Rrightarrow sin^2x=0$

$\\ \rm\Rrightarrow sinx=0$

$\\ \rm\Rrightarrow x\in n\pi$

6 0

2 years ago

What are two ways to find the slope of a line?

DedPeter [7]

Answer:

m = (y - y)/(x - x)

Rise/run

Step-by-step explanation:

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2 years ago

10.) Kelly is flying a kite to which the angle of elevation is

jarptica [38.1K]

Answer:

61.08m

Step-by-step explanation:

Let " l " be the length of the rope and " θ " the angle at which it is raised. In other words:

l = 65m
θ = 70°

As you can see, there has been made a right angle triangle. So:

$sin70 = \frac{h}{l} \\ h = l \times sin70 \\ h = 65 \times 0.9397 = 61.08 \\ h = 61.08$

So the kite is approximately 61.08m above the ground.

In order to find the sin70° i used a calculator.

3 0

3 years ago

Marcia claims that the GCF for 2x^2, 4xy and 8xy^4 is 8x^2y^4. Is she correct? If not, what is the GCF?

posledela

The GCF is what they all have in common.
2x is the only thing they ALL share.

5 0

3 years ago

Enter the product.<br> 27<br> X 7

Kay [80]

Answer:

189

Step-by-step explanation:

7 x 27 = 189

3 0

3 years ago

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