3 years ago

2.

Mathematics

1 answer:

Leviafan [203]3 years ago

4 0

Answer:

The unit rate is 35 miles per hour

Step-by-step explanation:

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If the diameter of a circle is 5 centimeters, how long is the arc sub tended by an angle measuring 60 degrees?

jenyasd209 [6]

Answer:

3/5pi

Step-by-step explanation:

The formula of getting the arc length is

arc length = angle * pi / 180 * r

arc length = 60 * pi / 180 * 5

arc length = 300 * pi / 180

arc length = 5pi / 3

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3 years ago

The table shows the participation in a school’s debate club during the last four years.

Dominik [7]

Incomplete question, but use the following example as an illustration.

Step-by-step explanation:

Say one person had $200 in a savings account last month and now has $225. That's an increase. The problem is to find the percent of increase in money.

Read more on Brainly.com - brainly.com/question/14791979#readmore

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2 years ago

Let f(x)=7x^2-8. find f(a^2)

strojnjashka [21]

Answer:

$\large\boxed{f(a^2)=7a^4-8}$

Step-by-step explanation:

$f(x)=7x^2-8\\\\f(a^2)\to \text{put}\ x=a^2\ \text{to the equation of the function}\ f:\\\\f(a^2)=7(a^2)^2-8\qquad\text{use}\ (a^n)^m=a^{nm}\\\\f(a^2)=7a^{2\cdot2}-8\\\\f(a^2)=7a^4-8$

6 0

2 years ago

Find the measure of an exterior angle of a decagon

Aleonysh [2.5K]

Answer:

add all then sides then multiple it with how many sides you have

Step-by-step explanation:

someone tell me if i am right or not

4 0

3 years ago

How do I set up this equation and solve ?

vovangra [49]

angles in a triangle need to equal 180 degrees

so x = 180 - 47 - 58

x = 180-105

x= 75 degrees

4 0

3 years ago