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quester [9]
3 years ago
6

Helpppp!!!!!!!!!!&:&:&:&::

Mathematics
1 answer:
Setler79 [48]3 years ago
6 0

its the second one my dude

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Solve for the values of x and y in the diagram
qaws [65]

Answer: y = 0.5, x = 50

Step-by-step explanation: Both triangles in the picture are isosceles, telling us that the 2 angles at the bottom are congruent. With this, we can find y by doing the following:

a triangle has 180 degrees so we subtract the given 50 which gives us 130

2(2y + 64) = 130

4y + 128 = 130

y = .5

This means that the bottom 2 angles are both 65. Since the top angle of the second triangle is supplementary to the bottom angle of the first one, the top angle of the second triangle is 115. So, we find x by:

2(45 - x/4) = 65

x = 50

This means the bottom 2 angles of the second triangle are both 32.5.

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2 years ago
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Is this equation linear? 1/3x-2y=7 I NEED HELP ASAP please
OleMash [197]
In highest poer of placholder is  1 then it is linear

1/3x^1-2y^1=7
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8 0
3 years ago
Lainey is sliding down a water slide that is 420 feet long at a rate of 42 feet per second. How long will it take Lainey to trav
BARSIC [14]

Answer:

10 seconds.

Step-by-step explanation:

420/42 = x amount of seconds.

It took Lainey 10 seconds.

3 0
3 years ago
Check out the photo for the question
Anestetic [448]

Answer:

50

Step-by-step explanation:

42/n³∑k²+12/n²∑k+30/n∑1

=42/n³[n(n+1)(2n+1)/6]+12/n²[n(n+1)/2]+30/n [n]

=7n(n+1)(2n+1)/n³+6n(n+1)/n²+30

=7(n+1)(2n+1)/n²+6(n+1)/n+30

=[7(2n²+3n+1)+6(n²+n)+30n²]/n²

=[14n²+21n+7+6n²+6n+30n²]/n²

=[50n²+27n+7]/n²

=[50+27/n+7/n²]

→50 as n→∞

because 1/n,1/n²→0 as n→∞

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3 years ago
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A rectangle has an area of 644 square miles and a height of 28 miles. What is the length of the base?
patriot [66]
The photo is blurry but the answer is 23

3 0
3 years ago
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