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3 years ago

Hi! PLS HELP!!! 20 POINTS!

Mathematics

2 answers:

seraphim [82]3 years ago

6 0

Answer:

17.5 liters

Step-by-step explanation:

hope its the answer your looking for

zalisa [80]3 years ago

4 0

17.5 liters hope this helps

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6multiplied by 3 to the -2nd power minus 3 to the fourth power multiplied by 9 plus 4 to the 0th power

Contact [7]

Answer in fraction form is -2182/3
Answer in decimal form is -727.3*
Answer in Mixed number form -737 1/3

5 0

3 years ago

Tran jumped 162 times in 9 hours. At that rate, how many times would she jump in 10 minutes?

yawa3891 [41]

Answer:

Step-by-step explanation:

you first need to convert 9 hours into minutes:

9*60=540 minutes

162 jumps ---in--- 540 minutes

? jumps ---in--- 10 minutes

?= (10*162)/540

?= 3

7 0

2 years ago

Gravel is being dumped from a conveyor belt at a rate of 30 ft3/min, and its coarseness is such that it forms a pile in the shap

pogonyaev

Answer:

Rate of increase in height = $\frac{dh}{dt}=0.3156ft/min$

Step-by-step explanation:

we know that volume of a cone is given by

$V=\frac{1}{12}\pi d^{2}h$

It is Given that diameter equals height thus we have

$V=\frac{1}{12}\pi h^{2}h\\\\V=\frac{1}{12}\pi h^{3}$

Differentiating both sides with respect to time we get

$\frac{dV}{dt}=\frac{1}{12}\pi \frac{dh^{3}}{dt}\\\\\frac{dV}{dt}=\frac{1}{12}\pi(3h^{2}\frac{dh}{dt})$

Applying values and solving for $\frac{dh}{dt}$ we get

$\frac{dh}{dt}=\frac{12\frac{dV}{dt}}{3\pi h^{2}}\\\\\frac{dh}{dt}=0.3156ft/min$

8 0

3 years ago

HELPPPPPPPPPPP PLEASEEEEEEE What point does the line pass through?

Lina20 [59]

Answer:

It passes through (1,1).

5 0

3 years ago

Read 2 more answers

Suppose that the current measurements in a strip of wire are assumed to follow a normal distribution with a mean of 10 millimete

KiRa [710]

Answer: the probability that a measurement exceeds 13 milliamperes is 0.067

Step-by-step explanation:

Suppose that the current measurements in a strip of wire are assumed to follow a normal distribution, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = current measurements in a strip.

µ = mean current

σ = standard deviation

From the information given,

µ = 10

σ = 2

We want to find the probability that a measurement exceeds 13 milliamperes. It is expressed as

P(x > 13) = 1 - P(x ≤ 13)

For x = 13,

z = (13 - 10)/2 = 1.5

Looking at the normal distribution table, the probability corresponding to the z score is 0.933

P(x > 13) = 1 - 0.933 = 0.067

6 0

3 years ago