MATHEMATICS COLLEGE

In circle F what is the measure of arc CB?

17.5
35
70
60
In circle F what is the measure of arc CB? - 1

Answers

Answer 1
Answer:

The inscribed angle theorem says that the angle formed by two intersecting chords of a circle (the angle A between the chords AC and AB in this case) has half the measure of the central angle subtended by the arc containing those chords (arc CB in this case). So

m\angle BAC=\frac12m\angle BFC\implies m\angle BFC=2\cdot35^\circ=70^\circ

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How would you simplify (-4r^5)(2r^8)? ​

Answers

Answer:

−8r^13

Step-by-step explanation:

Combine like terms

-4r and 2r= -8r

then add the exponents

5+8=13

THEN SIMPLIFY

-8r^13

Multiply. 42.9 × 3.45

Answers

Answer:

42.9 x 3.45 = 148.005 exactly or 148 rounded

Answer:

Hi! The answer to your question is 148.005

Step-by-step explanation:

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There are 25 marbles in the box. There are 10 red marbles , 8 blue marbles , and 7 yellow marbles . What percent of the marbles are NOT yellow ?A. 28%
B. 72%
C. 32%
D. 40%

Answers

I think it is 32 which is c or 40% which is D but I got 43%
40 percent Woolf be the answer because they are pulling out the smallest number but it still is a big percentage

Determine the length of UT.

Answers

I think the answer would be 20

the cell wall of which out of this is not made up of cellulose bacteria mango tree hydrilla cactus which one is correct​

Answers

Answer:

The cell wall lies outside the plasma membrane. The plant cell wall is mainly composed of cellulose. Cellulose is a complex substance and provides structural strength to plants. Bacteria is not a plant therefore its cell wall is made up of peptidoglycan

Step-by-step explanation:

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Find the value of x and the value of y.A x= 2√3, 7 = 43
B. x= 3, y = 6/3
C. x= 6/3, y = 12
D. x=21/3, y = 6

Answers

Answer:

x =  6/√3  ,   y = 12/√3

Step-by-step explanation:

sin 60° = opposite /hypothenus

√3/2 = 6/y

cross multiply

√3y=6 x 2 = 12

y = 12/√3

Tan 60° = opposite/adjacent

tan 60° = √3

√3 = 6/x

√3x= 6

x = 6/√3
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