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juin [17]
2 years ago
5

HELP PLEASE!!!

Mathematics
1 answer:
PilotLPTM [1.2K]2 years ago
5 0

Answer:

450 millilitres

Step-by-step explanation:

1) \frac{1}{2} of the water is gone, so you need to divide 900 by 2 to see how much is left

900÷2 = 450

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A sales manager wanted to determine if increasing sales commissions by 5% would increase employee satisfaction. Her analyst dete
Dafna11 [192]

Answer:

c. We have evidence that there is a difference in population median employee satisfaction rating before and after the commission change.

Step-by-step explanation:

Pvalue is less than the alpha-level:

If the pvalue is less than the alpha-level, we have that there is sufficient evidence of the hypothesis for the population mean/median/standard deviation we are testing.

In this question:

Pvalue less than the alpha-level, so there is evidence that there is a difference in the population median. This means that the correct answer is given by option C.

4 0
3 years ago
Describe the possible side lengths of the 3rd side of the triangle given the lengths of the 2 other sides?
Sindrei [870]
Heya !

Using a theoram about triangles ,

Given a triangle ∆ABC, the sum of the lengths of any two sides of the triangle is greater than the length of the third side ,

Also , the length of third side always greater than absolute difference of the other two sides ,

Let the third side be x ,

So , x < 9 + 8 and x > 9 - 8
x < 17 and x > 1

Hence , x ∈ [ 2 , 17 ] inch.

Above case is true for any triangle , be it scalene , Isosceles , Right-angled ...

As , for Isosceles , the third side can be 8 or 9 inches ,
For scalene , all values in the above range satusfies ,

For right angled triangle , we have 2 cases ,

Case 1 : Third side is the hypotenuse
Then , x = √(9²+8²) = √145 = 12.0415 inch.

Case 2 : Third side is not the hypotenuse
Then , x = √(9²-8²) = √17 = 4.1231 inch.

Hope it helps you ! :)
8 0
3 years ago
Read 2 more answers
Shiloh has to earn at least $200 to meet her fundraising goal. She has only 100 cakes that she plans to sell at $5 each. Which i
bonufazy [111]

Answer:d

Step-by-step explanation:I took the test too

4 0
3 years ago
According to synthetic division below, which of the following statements are true ?
Whitepunk [10]

ANSWER

C

E

F

EXPLANATION

The result of the synthetic division is :

3 -1 0

The last number is the remainder which is 0

The first two numbers are the coefficients of the quotient.

Therefore the quotient is 3x -1

Since the remainder is 0, x-4 is a factor of

f(x) = 3 {x}^{2}  - 13x +  4

This also means that:

(3 {x}^{2}  - 13x +  4)  \div (x - 4) = 3x - 1

This again means that x=4 is a root of

f(x) = 3 {x}^{2}  - 13x +  4

The correct choices are C,E and F.

4 0
3 years ago
A typical car traveling at highway speeds ( 100 kph ≈ 28 m/s) is capable of stopping in about 55 m at maximum braking. Estimate
enyata [817]

Answer:

~1.96 m/s

Step-by-step explanation:

55 / 28 meters per second. Distance / velocity = acceleration

3 0
2 years ago
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