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3 years ago

The box plot suggests that Olga served fewer than what number of aces during about 75% of tennis matches

Mathematics

2 answers:

mariarad [96]3 years ago

6 0

Answer:

d) 10

Step-by-step explanation:

Alecsey [184]3 years ago

3 0

Answer:

The answer is 10

Step-by-step explanation:

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Help please I don’t understand this problem

Molodets [167]

Answer:

Step-by-step explanation:

We know that identity:

cos^2x+sin^2x=1.

From that we have:

cos^2x=1-sin^2x.

So it is:

cos^2x-sin^x=(1-sin^2x)-sin^2x=1-2sin^2x.

And this is A).

B) is not treu because cos^2 is not sin^2x+1

C) is not true because cos^2x-sin^x=1 is false.

D) is not treu because cos^2x is not sin^2x-1

8 0

3 years ago

To convert a capacity of 8.7 gallons to quarts, which ratio could you multiply by? remember that 1 gallon = 4 quarts.

Papessa [141]

Using the factor label method, you would set up your ratio like so: $8.7 gall * \frac{4 qts}{1 gall}$

3 0

3 years ago

Explain in your own words what domain and range mean

a_sh-v [17]

A domain is an input that you put in an equation(x). A range is an output (y) that is the result of a certain input.

Hope this helps and please mark as brainliest!

3 0

3 years ago

Read 2 more answers

a circular oil slick is expanding at a rate of 2m^2/h. Find the rate at which it's diameter is expanding when it's radius is 1.5

aleksandrvk [35]

Answer: $\frac{4\pi}{3} \text{ meter per hour}$

Step-by-step explanation:

The circular oil slick is expanding at a rate of $2 m^2/h$

Let A be the area of the circular oil slick,

So, the changes in A with respect to time (t),

$\frac{dA}{dt} = 2$

$\frac{d(\pi r^2)}{dt} = 2$

$2\pi r\frac{dr}{dt} = 2$

$\frac{dr}{dt} = \frac{1}{\pi r}$

Also, the change in diameter with respect to time(t),

$\frac{d}{dt} (2 r) = 2 \frac{dr}{dt}$

$\frac{d}{dt} (2 r) = 2 \times \frac{1}{\pi r}$

$\frac{d}{dt} (2 r) = \frac{2}{\pi r}$

For r = 1.5 m,

$\frac{d}{dt} ( 2 r)]_{r=1.5} = \frac{2}{\pi \times 1.5}=\frac{20}{\pi \times 15}=\frac{4\pi }{3}\text{ meter per hour}$

7 0

3 years ago

2.34 cm are equal to 23.4 millimeters

Shalnov [3]

Yes this is true since to covert cm to mm we have to multiply it by 10

4 0

3 years ago

Read 2 more answers