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fomenos
3 years ago
14

enrollment in a photography class increased from 25 to 35 students. What was the percent of increase in enrollment?

Mathematics
2 answers:
ElenaW [278]3 years ago
6 0

<u>Answer</u>

40%

<u>Explanation</u>

A parentage value is a value that has been compared to 100.

Percentage = (change in the value)/(the original value) × 100%

                   = (35-25)/25 × 100%

                    = 10/25 × 100%

                   = 40%

yulyashka [42]3 years ago
4 0
(35-25)/25x100%
=40%
------------------
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2. Lorena is trying to choose between two different savings accounts at H-Town Bank. She will deposit $3,500 dollars and will le
Ivahew [28]

Answer:

First of all, this question is not complete. So, we will be hypothetically create two accounts and try to choose the one with the greater profit.

Choice 1 = X = Final Amount after 12 years = $5600

Choice 2 = Y = Final Amount after 12 years = $6285.50

Hence, Lorena should choose choice 2, as it gives more profit over than choice 1.

Step-by-step explanation:

First of all, this question is not complete. So, we will be hypothetically create two accounts and try to choose the one with the greater profit.

Initial Deposit Amount = $3500

Time period = 12 years

Let's Suppose Lorena has two X and Y choices of accounts at H-town Bank.

X = simple interest of 5% over the initial amount for 12 years.

Y = Compound interest 5% over the initial amount for 12 years.

Solution:

Let's calculate the profit for choice 1 = X

Simple interest = 5%

Initial amount = $3500

Time period = 12 years

Formula = A = P (1 + rt)

where, A = Final amount after 12 years

t = time period in years  = 12

P = initial amount to be deposited = $3500

r = annual interest rate = 5%

Plug in the values to get the total amount.

A = 3500(1+0.05x12)

A = $5600 = final amount Lorena will get after 12 years.

Let's calculate the profit for choice 2 = Y

Compound interest = 5%

Initial amount = $3500

Time period = 12 years

Formula = A = P (\frac{r}{n} + 1)^{nt}

where,

A = Final amount after 12 years

t = time period in years  = 12

P = initial amount to be deposited = $3500

r = annual interest rate = 5%

n = number of times interest rate is applied or compounded. = 12

Plug in the values to get the total amount.

A = P (\frac{r}{n} + 1)^{nt}

A = $6285.50

Hence, Lorena should choose choice 2, as it gives more profit over than choice 1.

4 0
3 years ago
What is the equation, in slope-intercept form, of the line that is perpendicular to the line y – 4 = –2/3 (x – 6) and passes thr
Gre4nikov [31]
Y-4=-2/3(x-6)
(y-(-2))=(-3/2)(x-(-2))
(y+2)=(-3/2)(x+2)
y-4=(-2/3)x+4
y=(-2/3)x+8
y+2=(-3/2)x-3
y=(-3/2)x-5
m2=(-3/2), (-2,-2)
y=(-3/2)x+b
(-2)=(-3/2)(-2)+b
-2=-3+b
1=b
d.) y=x+1, as the y-intercept is positive
4 0
3 years ago
(x + 10) (-2x +15)<br><br>cam someone this for me​
Rudik [331]

Answer:

-2x^2-5x+150

Step-by-step explanation:

(x)(-2x) + (x)(15) + (10)(-2x)+(10)(15) <--- multiplying

2x^2+15x-20x+150 <---- solution of multiplication

2x^2 - 5x+150 <------- combine like terms (answer)

7 0
2 years ago
What is 10% suger from 80g of suger
solong [7]

Answer:

I think it would be 800g

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
It's moving day, and Lydia has packed her books into large and small boxes. The large boxes hold 35 books, and the small ones ho
Virty [35]

The number of large boxes is 4 and the number of small boxes is 14.

<u><em>Explanation</em></u>

Suppose, the number of large boxes is x and the number of small boxes is y

As, the total number of boxes is 18, so the first equation is....

x+y= 18 .......................................(1)

The large boxes hold 35 books, and the small ones hold 20 books and the total number of books is 420. So the second equation will be .....

35x+20y=420................................(2)

Now solving equation (1) for y itself , we will get....

y= 18-x

We will plug this y= 18-x into equation (2). So.....

35x+20(18-x)=420\\ \\ 35x+360-20x=420\\ \\ 15x= 420-360\\ \\ 15x=60\\ \\ x= \frac{60}{15}=4

Now plugging this x=4 into the equation y= 18-x.......

y= 18-4= 14

Thus, the number of large boxes is 4 and the number of small boxes is 14.

3 0
3 years ago
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