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antiseptic1488 [7]
3 years ago
13

What is the circumference of the semicircle

Mathematics
2 answers:
deff fn [24]3 years ago
5 0

Answer:

this answer is attached to the picture

Olin [163]3 years ago
3 0

Answer:

12.56m

Step-by-step explanation:

\frac{180}{360}  \times 2\pi \: r \\  \frac{1}{2}  \times 2 \times \pi \times 4 \\  = 12.56m

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I need do now this answer please
s2008m [1.1K]

Answer:

40.75   (40 3/4)   Miles per hour

Step-by-step explanation:

(2/3) (3/2) = 1, so

30.5 x (3/2) = 40.75

3 0
3 years ago
Bantu jawab ya guy's ​
AlekseyPX
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6 0
3 years ago
Sarah took out a $30,000 loan for 11 years at a 4.7% interest rate to put a new pool in her backyard. If
MissTica

The amount of the loan after 11 years is $34,113.53 and the intereest earned is $4,113.53

<h3>How to calculate the compound interest</h3>

The formula for calculating the exponential function is expressed as:

A =P(1+\frac{r}{n} )^t

Given the following

  • P = 30,000
  • r = 0.047
  • t = 11 years
  • n = 4

Substitute into the formula to have:

A=30000(1+\frac{0.047}{4} )^{11}\\A =30000(1.13711)\\A =\$34,113.53

Hence the amount of the loan after 11 years is $34,113.53

<h3>Find the interest earned</h3>

Interest = A - P

Interest = 34,113.53 - 30000

Interest = 4,113.53

Hence the intereest earned is $4,113.53

Learn more on compound interest here: brainly.com/question/24924853

7 0
2 years ago
Find the inner product for (5,-1)*(-3,6) and state whether the vectors are perpendicular. a. 21; no c. -21; no b. 21; yes d. -21
nataly862011 [7]

Answer:

c

Step-by-step explanation:

If the dot product of the vectors is zero then they are perpendicular

(5, - 1) • (- 3, 6)

= (5 × - 3) + (- 1 × 6) = - 15 + (- 6) = - 15 - 6 = - 21 ≠ 0

Since product is not zero vectors are not perpendicular

7 0
3 years ago
The length of the rectangle is twice the width. Find the length of the rectangle if the perimeter is 42m.
kompoz [17]

Answer:

28m

Step-by-step explanation:

2x+x=42

3x=42

x=14

However, since the length of the rectangle is twice the width, we'll need to multiply it by 2.

So: 14 times 2=28

8 0
3 years ago
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