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alexandr1967 [171]
3 years ago
6

Which linear equation repesents a non proportional relationship

Mathematics
1 answer:
densk [106]3 years ago
7 0
Where are the equations?
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Mark got 14 problems wrong on his test. His score was 72% correct. How many problems were on the test? Please show work.
stira [4]
Consider that 100%-72%=28% represents the percentage of wrong answers. I would think as fractions as:
if 100%  is the total number of answers and 28% are the wrong ones
as
if x is the total you have 14 wrong you can write:
\frac{100}{28} = \frac{x}{14}
x=(100/28)*14=50 questions
7 0
3 years ago
the distance between Johannesburg and bloemfontein is estimated at 435km. if they travel at an average speed of 120km per hour,h
rjkz [21]

Answer:

3.625h,217.5min,13050sec

Step-by-step explanation:

S=vt

t=S/v

t=435/120 (km) /(km/h) =3.625h

t= 3.625*60 min = 217.5 min

t=217.5*60sec = 13050 sec

8 0
3 years ago
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A container has peppermint gum and spearmint gum. There are 32 pieces of peppermint gum in the container and the ratio of pepper
lapo4ka [179]
I think the answer is 28 prices of spearmint gum because 32/8=4 so if you multiply 7*4 you get 28??????

Hope this helped!!! Sorry if I’m wrong.
7 0
3 years ago
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What do we know? <br><br>what do we need to know ?​
qwelly [4]

Answer:

we need to know how many students got a B or higher by those 25 students

Step-by-step explanation:

8 0
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How do I do sample space?
labwork [276]
The sample space is all of the possible combinations using the stuff given. For example, you can make a ham and rye sandwich, a ham and sourdough sandwich, and a ham and white sandwich, and so on.
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