Ask question

Ask question

All categories

2 years ago

10

Sandra took 4 tests in math and her mean score was 18. I she scored 18, 22, and

1 answer:

Salsk061 [2.6K]2 years ago

7 0

Answer:

15

Step-by-step explanation:

(18+22+17+x)/4=18

18+22+17+x=18×4

57+x=72

x=72-57

x=15

You might be interested in

Pls helpppppp ASP pls

Anvisha [2.4K]

Answer:

D. 7

Step-by-step explanation:

6 0

3 years ago

Two angles are complements if their sum is 90 degrees. The measure of one angle is one third the measure of its complement. Find

zysi [14]

Answer:

22.5 degrees

Step-by-step explanation:

90 = x + 3x

90 = 4x (divide by 4)

22.5 = x

22.5 + 67.5 = 90

5 0

3 years ago

Help me please.................................................................

hoa [83]

Answer:

yea

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

How many solutions does this equation have?<br><br> –5(6y + 7) = –17y + 7 − 10y

aalyn [17]

Answer:

y=-14

Step-by-step explanation:

3 0

2 years ago

If you spend $55 for transportation and clear $250 a month, what percent of your income do you spend on transportation? Round to

defon

Answer:

55.0 or 60 i don't know,i just got those answers

Step-by-step explanation:

7 0

3 years ago