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OverLord2011 [107]

3 years ago

5

A basketball team wants to paint half of free-throw circle grey. If the circumference of the free-throw is 30.77, what is the ar

ea that will be painted grey. Use 3.14 or pie.

1 answer:

Mice21 [21]3 years ago

5 0

Answer:

3.14

Step-by-step explanation:

Because you know it's the right answer.

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Please help with 3. 4. 5.

Eddi Din [679]

3.
$\text{The Triangle Sum Theorem:}\\m\angle A+m\angle B+m\angle C=180^o$
$x+2x-1+3x+1=180\\6x=180\ \ \ |:6\\x=30$
$x^o=30^o\\(3x+1)^o=(3\cdot30+1)^o=91^o\\(2x-1)^o=(2\cdot30-1)^o=59^o$
4.
$r-6+3r-3+5r=180\\9r-9=180\ \ \ |+9\\9r=189\ \ \ |:9\\r=21$
$(r-6)^o=(21-6)^o=15^o\\(3r-3)^o=(3\cdot21-3)^o=60^o\\(5r)^o=(5\cdot21)^o=105^o$
5.
$\text{The Exterior Angle Theorem:}\\m\angle CAB+m\angle ABC=m\angle DCB$
$2g+9g=110\\11g=110\ \ \ |:11\\g=10$
$m\angle A=2\cdot10^o=20^o\\m\angle ACB=180^o-110^o=70^o\\m\angle B=9\cdot10^o=90^o$

4 0

3 years ago

Helppppppp pleaseeeeeeee

Lilit [14]

B. Is the right answer

First you have to take the common elements then use an identity/formula to get the rest

x^3 - 3x^2 + x-3
x^2 (x-3) +1 (x-3)
(x^2 +1) (x-3)
(x-1)(x+1)(x-3) {using a^2-b^2 on x^2-1^2}

4 0

3 years ago

A store pays $81 for a hockey stick and marks the price up by 5%. What is the amount of the mark-up?

OlgaM077 [116]

.05 is equal to 5%
So for every dollar the mark up is .05cents
So if you times $81 by .05 this will give you the mark up because each of the 81$ needs .05 added to it.

So $4.05 Is the mark up

And

The cost would be markup and original added together

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3 years ago

I dont know this i dont understand can someone help me? please thank you

emmasim [6.3K]

Answer:

hope that will help you

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3 years ago

Which of the following expressions is a fifth-degree binomial?

Juli2301 [7.4K]

It’s definitely the letter d

6 0

3 years ago

Read 2 more answers