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3 years ago

Can someone please help check my answer, please 20 points

Mathematics

2 answers:

yaroslaw [1]3 years ago

5 0

It is correct good job.

Effectus [21]3 years ago

3 0

Answer:

Its correct.

Step-by-step explanation:

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A charity sent out 700 fundraising letters and received 210 contributions in response. What was the percent of response?

Pavlova-9 [17]

To find the answer, you have to make a proportion. 210 out of 700, or 210/700 is equal to x/100. So, 210/700=x/100. Then to solve the proportion, you must cross multiply. 210 times 100 is 21,000. Then, you must divide 21,000 by 700, which is 30. The 30 represents 30/100, which is 30%
The answer is 30%.

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3 years ago

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Kelsey can buy 2 pounds of apples for 7$. Write an equation to represent the cost, c, for a, pounds of apples.

zmey [24]

$\huge\boxed{c=3.5a}$

First, we need to find how much a single pound of apples costs.

Do this by dividing.

$\frac{\$7}{2\ \text{lbs.}}\div\frac{2}{2}=\frac{\$(7\div 2)}{(2\div 2)\ \text{lbs.}} = \frac{\boxed{\$3.50}}{1\ \text{lb.}}$

Now, write an equation.

$\large\boxed{c=3.5a}$

This represents that the cost equals 3.5 times the number of apples.

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3 years ago

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A bank charges 1.75 of a point for the origination fee on a mortgage of $400,000. What is the origination fee?

Marina86 [1]

Answer:

The origination fee on a mortgage of $400,000 is $7,000.

Step-by-step explanation:

Here, the mortgage value = $400,000

The origination fee = 1.75%

Now, the origination fee is calculated on the amount mortgaged.

⇒ 1.75 % of ($400,00) = Origination Fee

Now, 1.75 % of ($400,00) = $\frac{1.75}{100} \times 400,000 = 7,000$

or, 1.75 % of ($400,00) = $ 7,000

Hence, the origination fee on a mortgage of $400,000 is $7,000.

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3 years ago

Cesar had a part-time job last year. He worked every week for the year and made $23 an hour. He worked 28 hours each week. Cesar

Naddika [18.5K]

Answer:

D. $2,511

Step-by-step explanation:

First off, we need to write down the facts we know.

There are about 52.177 weeks in a year

Cesar works 28 hours each week

Cesar makes $23 an hour

There are 12 months in a year

Cesar has $3,360 after his monthly expenses

To figure out how many hours are in a "work year," multiply the number of work hours in a week by the number of weeks in a year. In other words, multiply Cesar's 28 hour work week by about 52.177 weeks. That makes 1,456 hours in his work year. That means he makes $33,492 a year. If you multiply $2,511 by the months in a year (12), you get $30132. Finally, subtract his annual salary by $30132 to get $3,360, which is what was left of Cesar's earnings after paying all of his monthly expenses.

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3 years ago

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Identify the axis of symmetry of the parabola.

stellarik [79]

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Answer:

B. x = 4

Step-by-step explanation:

The axis of symmetry is the vertical line through the vertex. This parabola has its vertex at (4, -1), so the axis of symmetry is x = 4.

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3 years ago

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