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NARA [144]
3 years ago
8

The circumference of a circle is

Mathematics
1 answer:
EleoNora [17]3 years ago
8 0

Answer:

C=2πr

Step-by-step explanation:

The circumference is the total distance around the circle.

C=πd but d = 2r.

:.C=2πr.

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For A = {a,b}, determine A x P(A).
alex41 [277]

Answer:

Since A={a,b}, then P(A)=\{\emptyset, \{a,b\}, \{a\}, \{b\}\}. Remember that the Cartesian Product of two sets A, B is defined by

A\times B=\{(x,y): x\in A \text{ and } y\in B\}. Then

A\times P(A)=\{(a,\emptyset),(a,\{a,b\}),(a,\{a\}), (a,\{b\}), (b,\emptyset),(b,\{a,b\}),(b,\{a\}), (b,\{b\})\}

6 0
3 years ago
My car travels an average 12.3 km on each litre of petrol. What distance willI travel on 105 litres? *
Jobisdone [24]

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1291.5km

Step-by-step explanation:

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3 years ago
Write the quadratic function f(x) = x2 - 2x - 8 in factored form.
Ronch [10]

Answer:

Hello,

answer C

Step-by-step explanation:

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7 0
3 years ago
Which if the following best describes this graph ?
Lelu [443]

Answer:

B

Step-by-step explanation:

4 0
4 years ago
Need help asap this is really important
nadya68 [22]

Answer:

y = \frac{4}{3}x -7

Step-by-step explanation:

Use the points (9, 5) and (6, 1) to identify the slope of the graph

m = \frac{y^2-y^1}{x^2-x^1}

m = \frac{1-5}{6-9}

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m = \frac{4}{3}

The y-intercept is -7 because -7 touches y axis causing it to be the y-intercept

5 0
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