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IceJOKER [234]
2 years ago
8

45% of 20 is what I need help and I need u to explain it please thank u

Mathematics
1 answer:
lora16 [44]2 years ago
5 0
45% of 20
20  times 0.45
= 9 
The answer is 9
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2 * x/100 = 8

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400%
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If start fraction 1 over 3 end fraction is equivalent to 33start fraction 1 over 3 end fraction%, what percent is equivalent to
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The answer is C 66%

Step-by-step explanation:

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Anna has been adding $30 to her savings account every month. Which model could represent the money in Anna’s savings account (y)
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Y=30x.
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2. The table below shows that the distance d varies directly as the time t. Find the constant of variation and the equation whic
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<h2><u>Problem Solving</u>:-</h2>

2. The table below shows that the distance d varies directly as the time t. Find the constant of variation and the equation which describes the relation.

<h2><u>Solution</u>:-</h2>

Since the distance d varies directly as the time t, then d = kt.

Using one of the pairs of values, (2, 20), from the table, substitute the values of d and t in d = kt and solve for k.

\sf{\rightarrow{d =  kt}}

\sf\rightarrow{20  = 2k }

\sf\rightarrow{K= \frac{20}{2} }

\sf\rightarrow{K={\color{magenta}{10}}}

<h2><u>Answer</u>:-</h2>
  • Therefore, the constant of variation is 10.
3 0
2 years ago
At Yo-Yo Yogurt, the scale says that Sara has 8 ounces of vanilla yogurt in her cup. Her father’s yogurt weighs 11 ounces. How m
saveliy_v [14]

Answer: 1 \frac{3}{16}\ lb

Step-by-step explanation:

You know that Sara has 8 ounces of vanilla yogurt in her cup and her  father’s yogurt weighs 11 ounces. Then, the total ounces of frozen yogurt they buy altogether is:

total_{(ounces)}=8\ oz+11\ oz\\\\total_{(ounces)}=19\ oz

The next step is to make the conversion from ounces to pounds.

You need to remember that:

1\ lb=16\ oz

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total_{(pounds)}=(19\ oz)(\frac{1\ lb}{16\ oz})=\frac{19}{16}\ lb

This result expressed as a mixed number, is:

total_{(pounds)}=1\frac{3}{16}\ lb

8 0
3 years ago
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