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Marat540 [252]
3 years ago
7

Pleaseee helllpp meee​

Mathematics
2 answers:
PIT_PIT [208]3 years ago
6 0
The answer is y = 0.5 x
Talja [164]3 years ago
5 0

Answer:

it is the first one y=x

Step-by-step explanation:

because y=1 and x=2

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uppose that the length of 20 years worth of baseball games has been investigated, and that it has been found that the average (m
alexdok [17]

Answer:

P(120< x < 210) =  0.8664

Step-by-step explanation:

given data

time length = 20 year

average mean time μ = 165 min

standard deviation σ = 30 min

randomly selected game between = 120 and 210 minute

solution

so here probability between 120 and 210 will be

P(120< x < 210) = P(\frac{120-165}{30}< \frac{x-\mu }{\sigma }

P(120< x < 210) = P(\frac{-45}{30}< \frac{x-\mu }{\sigma }

P(120< x < 210) = P(-1.5< Z < 1.5)

P(120< x < 210) = P(Z< 1.5) - P(Z< -1.5)

now we will use here this function in excel function

=NORMSDIST(z)

=NORMSDIST(-1.5)

P(120< x < 210) = 0.9332 - 0.0668

P(120< x < 210) =  0.8664

8 0
2 years ago
What is the volume of the plastic rocket???
Snezhnost [94]

Answer:

A) 151 in³ or 151 cubic inches

Step-by-step explanation:

Volume of rocket = Volume of Cylinder + Volume of Cone

Step 1

Find the volume of the cylinder

Volume of a cylinder = πr²h

r = Diameter/2

= 5/2 = 2.5 inches

h = 6 inches

Hence,

π × 2.5² × 6

= 117.81 cubic inches

Step 2

Find the volume of the cone

Volume of a cone =1/3 πr²h

h = 11 inches - 6 inches

= 5 inches

r = 2.5 inches

Hence,

1/3 × π × 2.5² × 5

= 32.72 cubic inches

Therefore:

Volume of rocket = Volume of Cylinder + Volume of Cone

= 117.81 cubic inches + 32.72 cubic inches

= 150.53 cubic inches

Approximately to the nearest inch = 151 in³ or 151 cubic inches

Option A is correct

7 0
2 years ago
8
Nimfa-mama [501]
3
—
-2
because the answer is 6 over -4 and it simplified is that answer.
3 0
3 years ago
Write the word sentence as an inequality. <br> One plus a number y is no more than −13.
Serjik [45]
1+y \leq 13
6 0
3 years ago
3x+2y = -7 solve for x any y using substitution
Naya [18.7K]
The answer is : X=-7/3-2/3y
4 0
2 years ago
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