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frez [133]
3 years ago
11

Last year, Mr. Smith's biology class averaged 73 on their first test. This year, his new class averaged 87 on the same

Mathematics
1 answer:
Anastaziya [24]3 years ago
4 0

E. No, there may be other differences between the two years besides the grades.

This is because every kid is different and Mr. Smith might have just gotten a better group of kids the second year. This is just one factor of many viable options.

May I have brainliest please? :)

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Emily's vacuum cleaner has a power rating of 200 watts. If the vacuum cleaner does 360000 joules of work, how long did Emily spe
MakcuM [25]
To answer this, we need to know the formula of the relationship between the work and the power rating and time.

The formula is:
E(J)<span> = </span>P(W) ×<span> t</span><span>(s)
</span>360000 = 200 * t
t = 360000 / 200
t = 1800 s

So, Emily will spend 1800 seconds in vacuuming. It is also equivalent to 30 minutes.
5 0
4 years ago
In exponential growth functions, the base of the exponent must be greater than 1. How would the function change if the base of t
GrogVix [38]
If the base were 1, then the final value would never change...it would be a constant...
If the base is between zero and one, it is an exponential decay equation, so the final value would continually get smaller and smaller...
3 0
4 years ago
Read 2 more answers
Use the graph to find the x-intercept for the equation ý +2 Graph: Y + 2 = 2(x+3)
alex41 [277]

Answer:

(-2, 0)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the missing measure of a trapezoid with an area of 6.5 units squared and a base of 4 units and a height of 2 units.
katen-ka-za [31]
A= a+b/2 *h

6.5 = a+4/2 * 2

6.5/2 = a+4/2 *2/2

3.25 = a+4/2

3.25*2= a+4/2*2
6.5 = a+4
6.5-4 = a+4-4
2.5 = a

The missing measure is 2.5

Check
6.5= 2.5+4/2 *2
6.5= 2.5+2*2
6.5=2.5 + 4
6.5=6.5
5 0
3 years ago
Using the 28/36 ratio, determine the maximum allowable recurring debt for someone with a monthly income of $4,850.
lana [24]

Answer:

The correct answer is A. $388

Step-by-step explanation:

The 28/36 Rule states that : A household should spend a maximum of 28% of its gross monthly income on total housing expenses and not more than 36% on total debt service.

Maximum expense on housing expense = 28% of 4850

                                                                    = $1358

Maximum expense on total debt service = 36% of 4850

                                                                    = $1746

Therefore, the maximum allowable recurring debt with a monthly income of $4,850 = 1746 - 1358 = $388

Hence, The option A is correct.


3 0
3 years ago
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