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Nat2105 [25]
3 years ago
13

For the function y = -2x + 20, what is the output when the input is 50.

Mathematics
1 answer:
Artemon [7]3 years ago
3 0
Y=-2x+20
Input 50
Y=-2(50)+20
Y=-100+20
y=-80

I hope this helps :) feel free to ask if you need anything cleared up
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A high school baseball player has a 0.215 batting average. In one game, he gets 7 at bats. What is the probability he will get a
masya89 [10]

Answer:

0.651%

Step-by-step explanation:

using Binomial expansion: nCr*p^n*(1-p)^(n-r)

probability he will get at least 5 hits in the game = probability he will get  5 hits in the game + probability he will get 6 hits in the game + probability he will get  7 hits in the game = 7C5*0.215^5*(1-0.215)^2 + 7C6*0.215^6*(1-0.215)^1 +7C7*0.215^7*(1-0.215)^0 = 21* 0.0004594*0.616225  +  7*0.00009877*0.785  +  1*0.000021235  = 0.00651 = 0.651%

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3 years ago
Paula dives into a swimming pool from a diving board 2 feet above the water's surface. She descends to a depth 7 feet below the
Paha777 [63]

Answer:

Your mom

Step-by-step explanation:

5 0
3 years ago
Determine the zeros (2 values):<br> y=-2 (x-7)+8
lara [203]
It’s 11 and 0 you can solve using the zero property
X=11
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3 years ago
A medical researcher needs 37 people to test the effectiveness of an experimental drug. If 101 people have volunteered for the t
Rashid [163]

Answer:

The number of ways to select 37 people from 101 is, 5,397,234,129,638,871,133,346,507,775.

Step-by-step explanation:

In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.

The formula to compute the combinations of k items from n is given by the formula:

{n\choose k}=\frac{n!}{k!\cdot (n-k)!}

Compute the number of ways to select 37 people from 101 as follows:

{101\choose 37}=\frac{101!}{37!\cdot (101-37)!}

        =\frac{101!}{37!\times 64!}\\\\=\frac{101\times 100\times 99\times....64!}{37!\times 64!}\\\\=5397234129638871133346507775

Thus, the number of ways to select 37 people from 101 is, 5,397,234,129,638,871,133,346,507,775.

5 0
3 years ago
when added to the number that is produced by doubling the number x the result is equal to 8 times the number that is 5 less than
Olenka [21]
X is 4
4+4=8
4is less than 5
6 0
4 years ago
Read 2 more answers
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