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Natali5045456 [20]
3 years ago
13

Each set of points are connected to form a line segment. What is the length of each?

Mathematics
1 answer:
nadya68 [22]3 years ago
4 0

Answer:

i think it's A because of the 5

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Find the volume of the cylinder. Round your answer to the nearest tenth.
Nana76 [90]

Answer:

169.6 m³

Step-by-step explanation:

the volume = 3.14 × 3² × 6

= 3.14 × 54 = 169.6 m³

5 0
3 years ago
Prove the identity (cosx+cosy)^2+(sinx-siny)^2= 2+2cos(x+y)
astra-53 [7]
(cos(x) + cos(y))^2 + (sin(x) - sin(y))^2 Remove the brackets

cos^2(x)
+ cos^2(y) + 2cos(x)*cos(y) + sin^2(x) - 2(sin(x)*sin(y) + sin^2(y) Combine these two in bold to make 1 because sin^2(x) + cos^2(x) = 1

1 + cos^2(y) + 2cos(x)*cos(y) - 2*sin(x)*cos(y) + sin^2(y) 
These two in bold also make 1

2 + 2cos(x)*cos(y) - 2*sin(X)*sin(y) Bring out a common factor of 2
2 +2(cos(x)*cos(y) -  sin(x)*sin(y) )

but cos(x+y ) = cos(x)*cos(y) - sin(x)*sin(y)

2 + 2* cos(x + y) is your final answer. 

4 0
3 years ago
Read 2 more answers
What is 1 and 2 10ths written as a decimal?
kvv77 [185]
1 is the whole number which means it goes before the decimal point. 2/10 is the fractional piece making it go after the decimal point in the tenths place.

1 2/10 = 1.2
8 0
3 years ago
Which equation represents the line that passes through the points (-4,3) and (2,12)
Ksenya-84 [330]

Answer:

y = 3/2 x + 9

Step-by-step explanation:

take the two points and find slope :

12 - 3 / 2 - (-4) = 3/2

then use the slope and one of the points to find the y-intercept :

y = 3/2 x + b

3 = 3/2 * (-4) + b   (Substitute)

3 = -6 + b             (Multiplication)

3 + 6 = -6 + b + 6 (Addition)

b = 9

so, your final slope-intercept equation is :

y = 3/2 x + 9

8 0
3 years ago
Read 2 more answers
Homework help. Solve 4x-2=2x-10
ahrayia [7]
4x - 2 = 2x - 10

First, subtract 2x from both sides. / Your problem should look like: 4x - 2 - 2x = -10
Second, subtract 4x - 2 - 2x to 2x - 2. / Your problem should look like: 2x - 2 = -10
Third, add 2 to both sides. / Your problem should look like: 2x = -10 + 2
Fourth, simplify -10 + 2 to get -8. / Your problem should look like: 2x = -8
Fifth, divide both sides by 2. / Your problem should look like: x =  -\frac{8}{2}
Sixth, simplify \frac{8}{2} to 4. / Your problem should look like: x = -4

Answer: x = -4

7 0
3 years ago
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