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3 years ago

Match each percent expression to its simplified form.

Mathematics

2 answers:

antoniya [11.8K]3 years ago

7 0

Answer:

Step-by-step explanation:

a)11.25

b)68.6

c)27.9

d)43.56

yulyashka [42]3 years ago

4 0

Answer:

Step-by-step explanation:

1) 15% of 75 = (15/100) * 75 = 0.15*75 = 11.25

2) 7% of 980 = 0.07 * 980 = 68.6

3) 45%of 62 = 0.45 * 62 = 27.9

4) 22% of 198 = 0.22 * 198 = 43.56

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2 years ago

How do you translate "Nine more than twice a number, w." as a variable expression.

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9+2w
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2 years ago

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saul85 [17]

Answer:

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3 years ago

If a classroom has 7 students with black hair and there are 24 students in the

telo118 [61]

Answer:

29.2%

Step-by-step explanation:

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3 0

3 years ago

One vegetable warehouse had 210 tons of potatoes, another one had 180 tons. 90 tons of potatoes were delivered to the first and

kow [346]

Answer:

The number of days in which the amount in warehouse #2 is 1.2 greater than warehouse #1 is 6 days.

Step-by-step explanation:

Let

x: number of days

y: amount of potatoes

We can express the amount of potatoes in each warehouse using linear equations:

Warehouse #1: $y_1 = 90x+210$

Warehouse #2: $y_2 = 120x+180$

We need to find the value of x when $1.2*y_{1} =y_{2}$

Substituting the expressions for y1 and y2 in $1.2*y_{1} =y_{2}$ :

$1.2*(90x+210) =120x+180$

Applying distributive law:

$108x+252 =120x+180$

Solving the equation by subtracting 108x and 180 on both sides:

$108x+252-108x-180 =120x+180-108x-180$

$252-180 =120x-108x$

$72 =12x$

Now we divide by 12 on both sides:

$\frac{72}{12} =\frac{12x}{12}\\6=x\\x=6$

Therefore, the number of days in which the amount in warehouse #2 is 1.2 greater than warehouse #1 is 6 days.

4 0

3 years ago