A chess club with 60
members is electing a new president. Charmaine received
51
votes. What percentage of the club members voted for Charmaine?

Answers

Answer 1

Answer: 85 percent of the votes

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angle y and angle x form vertical angles. Angle y forms a straight line with the 80 degree angle and the 60 degree angle. Write and solve an equation to determine the measure of angle x
1+4=5 2+5=12 3+6=21 8+11=?

3. The length of the hypotenuse of a right triangle is 12 yards. Theother two sides are equal in length. Find the length of each side to the
nearest tenth of a yard.

Answers

Answer: The other two sides measure 8.5 yards each

Step-by-step explanation: The triangle is a right angled triangle with the other two sides of equal measurement. What this means is that, one angle measures 90 degrees and the other two angles would be of equal measurement. The reason being that we have an isosceles triangle and one property of an isosceles triangle is that two sides are equal and two angles are equal. If one angle measures 90, then the other two would be measured as

(180 - 90)/2 and this equals

90/2 and that equals 45 degrees each. To calculate the length of the equal sides, we use the trigonometric ratio of sine.

(Let one of the unknown sides be A)

Sin 45 = opposite/hypotenuse

Sin 45 = A/12

By cross multiplication we now have

Sin 45 x 12 = A

0.7071 x 12 =A

8.4852 = A

To the nearest tenth

A = 8.5 yards

This means the other equal side would measure 8.5 yards as well.

If a radius of a circle is 12 feet, what is the area and perimeter of the circle?

Answers

area of a circle=πr²
area of this cirlce=π*(12 ft)²=144π ft²≈452.39 ft².

answer 1= the area of this circle is 452.39 ft².

Perimeter of a circle=2πr.
Perimeter of this cirlce=2π(12 ft)=24π ft≈75.4 ft

answer 2= the perimeter of this cirlce is 75.4 ft.

Answer:

Area: 452.4

Perimeter: 75.4 ft

Step-by-step explanation:

Formula for area: $\pi r^(2)$

Formula for perimeter: $\pi d$ or $2\pi r$

How do I solve for x on (d) ??

Answers

multiply both sides by 32x
4x=336
divide both sides by 4
x=84

A square has an area of 36cm2. What is the perimeter

Answers

what times what = 36 like two of the same numbers. then multiply that number by 4 for the number of sides and u get the perimiter. (sry if confusing so ill explain that 6×6=36)

Square root of 36 =6. Squares have all same side lengths

Please help with mathematics

Answers

Number 2 would be A.4/1/2
Number 1 would be C.
Number 3 would be .2/2
Number 4 would be D because you subtract.
Number 5 would be 22. x=22. 22 divided by 10 equals 2 1/5.
Hope this helps!:)

First question:-

Order from least to smallest.

9,3, 9 1/3, 37/4, 9.34

Now, let us get all the numbers in the same format.

37/4 = 9 1/4

9 1/4 = 9.25

9.34

9.3 = 9.30

9 1/3 = 9.33

Now order them.

Final answer: 37/4, 9.3, 9 1/3, 9.34 DONE!

Second question:-

6 1/2 + 5 1/5 = 6 5/10 + 5 2/10 = 11 7/10

11 7/10 + 2 4/5 = 11 7/10 + 2 8/10 = 13 15/10 = 14 1/2

14.5 = n + 10

Now solve for n

14.5 - 10 = n + 10
-10

4.5 = n

Final answer: n = 4 1/2

Third question:-

Reciprocity of 1 1/2

first, we make the mixed number an improper fraction.

1 1/2 = 1*2 = 2 + 1 = 3

3/2 the reciprocal of it is 2/3

Final answer: 2/3

Fourth question:-

solve the proportion.

2 2/5 minutes to run 1.5 miles.

2.4/1.5 = 1/x

Cross multiply. 2.4*x = 1.5*1

2.4x = 1.5
-------------
2.4

x = 2.4/1.5

Final answer: x= 1 3/5

Fifth question:-

x/10 = 2 2/10 <--------- i made sure the denom's are the same!

22/10 = x/10

x = 22

Final answer: x = 22

YES...WE HAVE OUR ANSWERS...AND THIS TOOK ME FOREVER. :D

The probability of a particular event is 3/8. What is the probability that the event will not happen? Explain

Answers

(Probability of it Happening) + (Probability of it not Happening) = 1 (or 100%)

this makes since because it is for sure either going to happen or not happen.
x = probability not happening
3/8 + x = 1
x = 1- 3/8
x = 5/8 (or 62.5%)

Answer:

5/8 or 62.5%

Step-by-step explanation:

It is simple. Use 8/8 and subtract it by the probability of an event happening and you will get 5/8

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An odd multiple of 6 which is less than 100

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