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3 years ago

I need help please help

Mathematics

1 answer:

saveliy_v [14]3 years ago

3 0

Answer:(0,6)

Step-by-step explanation:

Solve for Y if X =0

y=2x+6

Y=2(0)+6

Y=6

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One hen lays 7 eggs in three days.<br>How many eggs do three hens lay in nine days?

kramer

Answer:

63 eggs.

Step-by-step explanation:

7 times 3 equals 21, which is the amount of eggs one chicken lays in 9 days. Multiply that by 3, you get 63.

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3 years ago

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A juggler tosses a bowling pin in the air with an initial velocity of 18 ft per second. It leaves his hand when it is five feet

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Complete Question

A juggler tosses a bowling pin in the air with an initial velocity of 18 ft per second. It leaves his hand when it is five feet from the ground and he catches it when it is four feet from the ground,How long is the ball in the air?

Answer:

$t\approx 0.1s$

Step-by-step explanation:

From the question we are told that

Initial velocity $V_0= 18 ft/s$

Initial Height $h_1=5feet$

Final Height $h_2=4feet$

Generally the Newtons equation for motion is mathematically given by

$V^2 = U^2 + 2as$

Where

$s=h_2-h_1\\s=4-5\\s=-1ft$

And

$a=g=>9.81\\a=32.2ft/s^2$

Therefore

$V^2 = (18)^2 + 2(-32.2)(-1)$

$V^2 = 388.4$

$V =19.70786645\\V=19.71ft/s$

Generally the equation for Time is mathematically Given as

$t=\frac{V-U}{a}$

$t=\frac{19.71-18}{32.2}$

$t=0.05310559006$

$t\approx 0.1s$

Therefore the time spent on air by the ball is

$t=0.05310559006s$

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3 years ago

Suppose that many large samples are taken from a population and that the

Eddi Din [679]

Answer:

99.7% of the sample proportions will fall between 0.133 and 0.307.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 0.22

Standard deviation = 0.029

99.7% of the sample proportions will fall within which of the following intervals?

Within 3 standard deviations of the mean.

Lower end: 0.22 - 3*0.029 = 0.133

Upper end: 0.22 + 3*0.029 = 0.307

99.7% of the sample proportions will fall between 0.133 and 0.307.

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3 years ago

A rectangular prism has a length of 1 1/2 meters, a width of 3 meters, and a height of 5 1/2 meters. Enter the volume of the pri

ArbitrLikvidat [17]

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Formula
----------------------------------------
Volume = Length x Width x Height

----------------------------------------
Find Volume
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$\text {Volume = } 1 \frac{1}{2} \times 3 \times 5 \frac{1}{2}$

$\text {Volume = } \frac{3}{2} \times \frac{3}{1} \times \frac{11}{2}$

$\text {Volume = } \frac{99}{4}$

$\text {Volume = } 24\frac{3}{4} \ m^3$

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H -7/J = k solve for J

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Answer:

see I need help for chemistry pls anyone here helps me I must submit before 10:30

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