Ask question

Ask question

All categories

3 years ago

11

a student scores 71 out of 100 on a test, if the maximum score on the tests is also 100, what score does the student need to mai

ntain at least an average of 78?

1 answer:

Nonamiya [84]3 years ago

8 0

(71+x)/2=78
71+x=156
x=85

Th student needs to score a min of 85

You might be interested in

141/56 as a mixed number

elixir [45]

I believe its 2 and 1/2

I'm so sorry if its not but I would guess it is :)

6 0

3 years ago

Read 2 more answers

Simplify.<br> -9 -5 -7<br> х<br> Y Z<br> 2 6 3<br> X Y Z

krok68 [10]

Answer:

$= {x}^{ - 11} {y}^{ - 11} {z}^{ - 10}$

Step-by-step explanation:

$= \frac{ {x}^{ - 9} {y}^{ - 5} {z}^{ - 7} }{ {x}^{2} {y}^{6} {z}^{3} } \\ = {x}^{ - 9 - 2} {y}^{ - 5 - 6} {z}^{ - 7 - 3} \\ = {x}^{ - 11} {y}^{ - 11} {z}^{ - 10}$

7 0

3 years ago

Write in simplest form.

Jobisdone [24]

The answer will be y^2/4 (I’ve written up properly on the photo as I can’t type it)

3 0

3 years ago

Please help! Divide. Write the quotient in lowest terms.

Mekhanik [1.2K]

The correct answer for this would be 32/5

6 0

3 years ago

Sasha’s daily tips this work week were $43, $32, $65, $88, $50, and $72. Is Sasha correct in thinking that the mean accurately r

Gala2k [10]

Answer: $58.33

Step-by-step explanation:

Yes, Sasha is correct. The mean amount she makes is in a day.

8 0

3 years ago