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3 years ago

Help plz..............

Mathematics

2 answers:

Romashka-Z-Leto [24]3 years ago

4 0

Answer:

3 quarters of a ton is 1500 pounds.

1 ton = 2000 pounds 3/4 of 2000= 1500

SpyIntel [72]3 years ago

3 0

Answer:

0.0326 pounds

Step-by-step explanation:

Im guessing that T is tsp for teaspoon

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25pts awarded and brainliest awarded, plz help asap!!!!!!

ivann1987 [24]

Answer:

B. f(-1)=6

C. The domain of f(x) is the set {-2.-1,0,1,2,3,4,5,6}

Step-by-step explanation:

To find f(5) from the table means, the y-value that corresponds to x=5.

This value is 12.

This implies that:

f(5)=12

Also the y-value that corresponds to -1 is 6.

Hence f(-1)=6

The domain of f(x) are the set of all the x-values.

The domain is : {-2.-1,0,1,2,3,4,5,6}

The range for f(x) is the set of all the corresponding y-values.

From the table, the range is: {5,6,7,8,9,10,11,12,13}

4 0

3 years ago

The shape of the distribution of the time required to get an oil change at a 10 minute oil change facility is unknown. However,

lyudmila [28]

Answer:

The answer is below

Step-by-step explanation:

a) For a normal model the sample size has to be equal or greater than 30 so that it can be a normal distribution.

b) Given that:

μ = 11.2 minutes, σ = 4.8 minutes, n = 45

The z score determines how many standard deviations the raw score is above or below the mean. It is given by:

$z=\frac{x-\mu}{\sigma} \\For\ a\ sample\ size(n)\\z=\frac{x-\mu}{\sigma/\sqrt{n} }$

For x < 10 minutes

$z=\frac{x-\mu}{\sigma/\sqrt{n} }\\\\ z=\frac{10-11.2}{4.8/\sqrt{45} }= -1.68$

Therefore from the normal distribution table, P(x < 10) = P(z < -1.68) = 0.0465

7 0

4 years ago

Thanks for the help

Goshia [24]

Your answer is 21.98

6 0

3 years ago

Plzzz helpppp333332222222222

Sati [7]

Answer: The answer is C or 13 units

How?: by a method called rise over run

the rise is at the y axis and the run is at x axis

*COUNT VERY CAREFULLY*

if you count right you should get 6 as a rise and 7 for run

6+7= 13

5 0

3 years ago

Read 2 more answers

Nerissa paid a total of $8 for 4 packs of pencils she purchased from the convenience store. Let p represent the cost of one pack

BARSIC [14]

Answer: 4*p=8

Step-by-step explanation:

You can use inverse operation to answer this equation.

write out you problem: 4 x p =8
The inverse of multiplication is division
you do 4/4 which gives you one but the 4 will cancel itself out
Do 8/4 which gives you 2
under the equation write p = 2
And be sure to line the p up with the p, the equal sign with the equal sign, and the 2 stays where it is ( which should be already lined up with the 8)

3 0

3 years ago