The radius of the circle shown below is 8 centimeters. What is the approximate length of XY ?

Mathematics

2 answers:

Komok [63]3 years ago

7 0

Answer:

isa A

Step-by-step explanation:

Korvikt [17]3 years ago

5 0

Answer:A

Step-by-step explanation:finding the length of the minor arc XY is what way required

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Which properties justify the steps taken to solve the system? {3x−2y=10 4x−3y=14

Alexeev081 [22]

The answer is: Substitution property of equality.

The explanation is shown below:

1. To solve this problem you must apply the proccedure shown below:

2. When you clear the variable x from the first equation, and subtitute it into the second equation, you obtain:

<span>3x−2y=10
x=(10+2y)/3

4x−3y=14
</span>4[(10+2y)/]−3y=14
<span> y=-2

3. When you subsitute y=-2 into the first equation and clear the x, you have:

x=2
</span>

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3 years ago

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Find the area of a circle who is diameter is 27 inches(use 3.1416)

Nimfa-mama [501]

Answer: The area is 572.5566

Step-by-step explanation:

27÷2=r=13.5

A=πr²

A=3.1416(π) · 13.5²(r)

A=572.5566

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3 years ago

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Identify an equation in slope-intercept form for the line parallel to y=5x+2 that passes through (-6,-1).

Roman55 [17]

Answer:

Step-by-step explanation:

gradient for the line y=5x+2 = 5 from y=mx+c where m =gradient

parallel lines have equal gradients thus M2=5

equation for line passing through point (-6,-1) and gradient , m=5 will be

(change in y/change in x)=M2

(y--1/x--6)=5

y+1/x+6 =5

y+1=5(x+6)

y+1=5x+30

y=5x+29

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2 years ago

We have a shape that has an area of 112 inches squared. Convert the units to centimeters squared. (HINT: Perform multiple conver

Andre45 [30]

<h3>Answer: 722.5792 square centimeters</h3>

Work Shown:

$112 \text{ in}^2 = 112 \text{ in}^2 \times \frac{2.54 \text{ cm}}{1 \text{ in}} \times \frac{2.54 \text{ cm}}{1 \text{ in}}\\\\112 \text{ in}^2 = (112 \times 2.54 \times 2.54) \text{ cm}^2\\\\112 \text{ in}^2 = 112 \times (2.54)^2 \text{ cm}^2\\\\112 \text{ in}^2 = 722.5792 \text{ cm}^2\\\\$

Notes:

1 inch = 2.54 cm exactly
The conversion factor $\frac{2.54 \text{ cm}}{1 \text{ in}}$ is used to convert from inches to cm. The inches unit in the denominator cancels with one of the inches unit from the original 112 square inches figure.
We use two identical copies of the same conversion factor to convert from square inches to square centimeters. This is the "multple conversion" your teacher is referring to.
Think of "square inches", aka $\text{in}^2$ , as "inches times inches". Or think of a 1 inch by 1 inch square that has an area of 1 square inch. The same applies for the square centimeter unit as well.