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MariettaO [177]
3 years ago
6

State if each pair of ratios forms a proportion 12/24 and 3/4

Mathematics
2 answers:
Nata [24]3 years ago
8 0

Answer:

Step-by-step explanation:

12/24 reduces to 1/2, whereas 3/4 does not reduce. This pair of ratios does not form a proportion.

If both ratios reduced to the same common value, that would represent a proportion.

raketka [301]3 years ago
4 0

Answer:

Step-by-step explanation:

12/24 reduces to 1/2, whereas 3/4 does not reduce.  This pair of ratios does not form a proportion.

If both ratios reduced to the same common value, that would represent a proportion.  

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The manager of a vacation resort believes that the ages of adult visitors to the resort can be modeled by a normal distribution.
borishaifa [10]

Step-by-step explanation:

(a) A histogram is like a bar graph, but with ranges instead of values.

(b) The distribution is approximately uniform, with slightly more people at the younger and older ends than in the middle.

(c) The ages do not appear to come from a normal distribution.  Normal distributions are bell-shaped, tall in the middle and short on the sides.

5 0
4 years ago
error analysis: a contractor purchases 7 dozen pairs of padded work gloves for $99.12. she incorrectly calculates the unit price
chubhunter [2.5K]

Answer:

Unit Price= $1.18

The error is that the contractor divided $99.12 by 7 and didn't multiply the 7 by the dozen (12) first, which lead to a mistake.

Step-by-step explanation:

To find the unit price:

1) multiply 7x12 = 84

  to get the total amount of gloves

2) divide 99.12 by 84

  to get the unit price

7 0
3 years ago
Write the point slope and slope intercept form of the line that goes through the points (-3,5) and (-2,6).
Andreas93 [3]

Answer:

Step-by-step explanation:

slope=\frac{6-5}{-2+3} =\frac{1}{1} =1\\

eq. of line is y-5=1(x+3)

y=x+3+5

y=x+8

6 0
4 years ago
720 companies 8 companies win what is the probability
Delicious77 [7]

Step-by-step explanation:

total outcomes = 720

favourable outcomes =8

=8/720

=0.01111

8 0
4 years ago
the temperature is already at 40 degrees it rises 4.5 degrees per minute how long will it take to get to 76 degrees​
Andrei [34K]

Answer:

It will take 8 minutes for the temperature to reach 76°

Step-by-step explanation:

The expression for the total temperature in degrees at time t can be written as;

T=I+EM

where;

T=total temperature

I=initial temperature

E=temperature increase per minute

M=number of minutes

This can also be written as;

total temperature=initial temperature+temperature increase per minute×number of minutes

In our case;

T=76°

I=40°

E=4.5°

M=m

replacing;

76=40+(4.5×m)

4.5 m=76-40=36

(4.5 m)/4.5=36/4.5

m=8

It will take 8 minutes for the temperature to reach 76°

7 0
4 years ago
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