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Natasha2012 [34]
3 years ago
8

Andrew took a math test with 40 questions. If he scored an 85% how many questions did he get correct

Mathematics
2 answers:
almond37 [142]3 years ago
6 0

Answer:

34

Step-by-step explanation:

1.) First, you have to turn 85% into a decimal

2.)That would be .85

3.) Then you have to multiply 40 by .85

4.) You get 34

jolli1 [7]3 years ago
3 0

Answer:

100 possible points divided by the #of questions equals 2.5 / 85% divided by 2.5 = 34

Step-by-step explanation:

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The staff at a company went from 40 to 29 employees. what is the percent decrease in staff
topjm [15]
Number of employees outside of company=40-29=11

we can calculate the percent decrease in staff by the rule of 3

40 employees-----------------100%
11 employees----------------   x

x=(11 employees*100%) / 40 employees=27.5%

The percent decrease in staff was: 27.5%
5 0
3 years ago
39= 3m - 12<br><br> I'd really appreciate it if you showed your work.
expeople1 [14]

To solve for m;

39 = 3m -12

39+12 = 3m -12 + 12 (add 12 to both sides)

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5 0
3 years ago
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3 years ago
Veronica is saving money to by a saddle for her horse that costs 175 . She plans to save $10 the first month and then increased
JulijaS [17]
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5 0
3 years ago
1. A rabbit can hop 6 feet in 2 seconds and 12 feet in 4 seconds. If the number of feet varies directly with the time the rabbit
kykrilka [37]

Answer: The rabbit is hopping at 3 feet/ sec in speed

Step-by-step explanation:

Step 1

Let the The number of feet of the rabbit be expressed as N

AND  time rabbit spends hopping can be expressed  as  t

From the question,  The number of feet varies directly with the time rabbit spends hopping can be expressed  as

N α t

Let us introduce a constant of proportionality ,S which represents  speed in this case, we now have that

N = St

STEP 2 -- SOLVING

If the rabbit hop 6 feet in 2 seconds, Then speed =

N = St

6=  S X2

S = 6/ 2

S = 3

also

If the rabbit hop 12 feet in 4 seconds, Then speed =

N = St

12=  S X 4

S = 12/ 4

S = 3

Also recall

that Speed = Distance / time

Pluging the values in the first case,

speed = 6 feet/ 2 secconds = 3 feet/ seconds

in the second case

Speed= 12 feet/ 4 second s= 3 feet/ secs.

5 0
2 years ago
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