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2 years ago

I need help for the 5th time

Mathematics

1 answer:

Leviafan [203]2 years ago

8 0

Answer:

3.2t - 2.4

Step-by-step explanation:

Given

- 3.6 - 1.9t + 1.2 + 5.1t ← collect like terms

= (- 1.9t + 5.1t) + (- 3.6 + 1.2)

= 3.2t + (- 2.4)

= 3.2t - 2.4

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Use Kelly’s steps to simplify this expression.

pantera1 [17]

10w^7 is the answer I’m pretty sure

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3 years ago

Read 2 more answers

The enrollment at Ousley Jr. High School dropped by 60 students over a 5-year period. What is the average yearly drop in enrollm

Snezhnost [94]

Answer:

The average yearly drop in enrollment is 12.

Step-by-step explanation:

The average refers to the central value in a group of numbers and with the information provided, you can find the average by dividing the number of students that dropped out of the school by the number of years over which that ocurred:

number of students= 60

number of years= 5

60/5=12

According to this, the answer is that the average yearly drop in enrollment is 12.

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3 years ago

If stratified random sampling with proportional allocation is used to select a sample of 25 high schools, how many would be sel

gregori [183]

Answer:

02 High Schools would be selected from the stratum with a percent-free-lunch value of 40 less than or equals x.

Step-by-step explanation:

As the sample size needed is 25 and total schools are 100 so this indicate 1 school in each 4 schools is to be selected. This is given as

$n=\frac{n_{total}}{n_{sample}}\\n=\frac{100}{25}\\n=4$

Now as the schools with percent free lunch are 8 so now

$n=\frac{n_{total}}{n_{sample}}\\n=\frac{8}{2}\\n=2$

So only 2 schools will be selected in this regard.

7 0

3 years ago

Mark all the statements that are true <br> a) the domain for this function is the set {3}

telo118 [61]

Answer:

the answer is 6 statements

Step-by-step explanation:

8 0

3 years ago

What is the volume of a cone with a diameter of 10 in and a height of 12 in

Radda [10]

Answer:

V = 100π

Step-by-step explanation:

The volume of a cone is V = ( $\frac{\pi r^2h}{3}$ )

1) $\frac{\pi5^212}{3}$

2) $\frac{300\pi }{3}$

3) 100π

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3 years ago