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KATRIN_1 [288]
1 year ago
9

HELP ASAP!!!The circumference of a circle is 6 pi meters. Find the radius of the circle

Mathematics
1 answer:
tatiyna1 year ago
6 0

3

Step-by-step explanation:

radius is just the diameter cut in half.

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The price of a sweater was reduced from $20 to $12. By what percentage was the price of the sweater reduced
kirill [66]

Answer:

The price was decreased by 40%

Step-by-step explanation:

Take the original price and subtract the new price

20-12 = 8

Divide by the original price

8/20 = .4

Change to a percent

40 %

The price was decreased by 40%

4 0
2 years ago
Read 2 more answers
2m=-6n-5 literal equation
Bingel [31]

Answer:

read below

Step-by-step explanation:

Alright, archtan /  

tan

−

1

(

x

)

is the inverse of tangent. Tan is  

sin

cos

. Like the inverse of sin, the inverse of tan is also restricted to quadrants 1 and 4.

Knowing this we are solving for the inverse of tan -1. We are basically being asked the question what angle/radian does tan(-1) equal. Using the unit circle we can see that tan(1)= pi/4.

Since the "Odds and Evens Identity" states that tan(-x) = -tan(x). Tan(-1)= -pi/4.

Knowing that tan is negative in quadrants 2 and 4. the answer is in either of those two quadrants. BUT!!! since inverse of tan is restricted to quadrants 1 and 4 we are left with the only answer -pi/4.

the answer is m=-3n-5/2 or n=2m+5/6

8 0
3 years ago
Solve for b. ab+c=d. 1.b=a+c/d 2.b=a/(c-d) 3.b=(d-c)/a
amm1812

Answer:3

Step-by-step explanation:

8 0
2 years ago
2/3 divided by 11/15
NNADVOKAT [17]
You need to implement the process of "flip-flop" and multiply which is where you flip the second fraction and multiply.

\frac{2}{3}÷\frac{11}{15}⇒\frac{2}{3}×\frac{15}{11}

Now you multiply across. 2×15=30 and 3×11=33

So now it is \frac{30}{33}

-----------------------------------------------------------
To reduce to the lowest terms, find the GCF common factor

The GCF is 3

Divide both the numerator and denominator by 3

\frac{30}{33}÷\frac{3}{3}=\frac{10}{11}

Answer: \frac{10}{11}

7 0
3 years ago
(−5k<br> ​3<br> ​​ −6k+1)+(−6k<br> ​2<br> ​​ +5k)
Fittoniya [83]

Remove unnecessary parenthesis.

-5k 3 - 6k +1 - 6k 2 + 5k (simplify each term) -15k - 6k + 1 - 12k +5k = -28k +1

Answer: 28k + 1

7 0
3 years ago
Read 2 more answers
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