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Alexxx [7]
3 years ago
7

going into the final exam, which will count as two tests, amelia has test scores of 77 84 70 59 and 92. what score does amelia n

eed on the final in order to have an average score of 80?
Mathematics
1 answer:
Fudgin [204]3 years ago
6 0

Answer: 85 is your answer

Step-by-step explanation:

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The points (-1,-6) and (5, a) fall on a line with a slope of 8. What is the value of a ?
erica [24]
The answer will be : -8
4 0
3 years ago
What is the sum of 4.5 + 3.2 + (-7.5)
DochEvi [55]

Answer:

0.2

Step-by-step explanation:

4.5 + 3.2 = 7.7

7.7 - 7.5 = 0.2

6 0
3 years ago
The discount on a pack of socks is 15%. It is on sale for $17. What is the original price of the pack of socks?
Aneli [31]

Answer:

$19.55

Step-by-step explanation:

17*0.15=2.55

17+2.55=19.55

4 0
3 years ago
If w=10, x=5, and y=6, what is the surface are of the figure?
Olin [163]

Answer:

hello!!!!

the answer is 280

im not really sure... read the description.... since i dont see a picture attached i dont know the figure shape which makes it difficult to guarantee the correct answer for you....

please read the explanation.. it always helps...

Step-by-step explanation:

okay im going to guess that the figure is a rectangular prism... if not please correct me

if so.... then...

2(10*5 + 10*6 + 5*6)= 280

7 0
2 years ago
S is inversely proportional to t<br> When s = 0.5, t = 7<br> Work out s when t = 0.8
defon

Given:

s is inversely proportional to t.

When s = 0.5, t = 7.

To find:

The value of s when t=0.8.

Solution:

s is inversely proportional to t.

s\propto \dfrac{1}{t}

s=\dfrac{k}{t}       ...(i)

Where, k is the constant of proportionality.

Putting s=0.5 and t=7, we get

0.5=\dfrac{k}{7}

0.5\times 7=k

3.5=k

Putting k=3.5 in (i), we get

s=\dfrac{3.5}{t}

This is the equation of proportionality.

Putting t=0.8, we get

s=\dfrac{3.5}{0.8}

s=4.375&#10;

Therefore, the value of s is 4.375 when t=0.8.

5 0
3 years ago
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