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frez [133]
2 years ago
7

The number of students in a school increased by 25%between last year and this year. Last year there were 250 students in the sch

ool what is the population this year?
Mathematics
2 answers:
Gelneren [198K]2 years ago
6 0
Pretty sure it’s 275 students.
alexandr1967 [171]2 years ago
5 0
I think it's 275 sorry if I'm wrong
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How to find domain of logarithmic function no calculator?
slega [8]
Logarithmic function.very easy find method 10 log = 1 , 5 log 0.6989700034
5 0
3 years ago
Mary Stahley invested $2500 in a 36-month certifi- cate of deposit (CD) that earned 8.5% annual simple interest. When the CD mat
nata0808 [166]

9514 1404 393

Answer:

  $13,916.24

Step-by-step explanation:

First, we need to find the value of the CD at maturity.

  A = P(1 +rt) . . . . simple interest rate r for t years

  A = $2500(1 +0.085·3) = $2500×1.255 = $3137.50

__

Now, we can find the value of the account with compound interest.

  A = P(1 +r)^t . . . . . rate r compounded annually for t years

  A = $3137.50 × 1.18^9 = $13,916.24

The mutual fund was worth $13,916.24 after 9 years.

3 0
2 years ago
Fill in the missing portions of the function to rewrite g(x) = 3a^2 − 42a + 135 to reveal the zeros of the function. What are th
mariarad [96]

Answer:

g(x) = 3(x-9)(x-5)

Zeros: x = 9 and x = 5.

Step-by-step explanation:

Given a second order polynomial expressed by the following equation:

ax^{2} + bx + c, a\neq0.

This polynomial has roots x_{1}, x_{2} such that ax^{2} + bx + c = a(x - x_{1})*(x - x_{2}), given by the following formulas:

x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}

x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}

\bigtriangleup = b^{2} - 4ac

In this question:

g(x) = 3x^{2} - 42a + 135

So

a = 3, b = -42, c = 135

\bigtriangleup = (-42)^{2} - 4*3*135 = 144

x_{1} = \frac{-(-42) + \sqrt{144}}{2*3} = 9

x_{2} = \frac{-(42) - \sqrt{144}}{2*3} = 5

So

g(x) = 3(x-9)(x-5)

Zeros: x = 9 and x = 5.

8 0
3 years ago
4 If angle A = x + 5, angle B = 2x – 35, and angle C = 3x,<br> what is the value of x
nirvana33 [79]
Need more information. Is this a triangle? Can you attach a picture?
6 0
2 years ago
Ted bought a fishing pole for $35.99, and a pair of shorts for 14.99. He had a coupon for 25% off the shorts only. What was the
NeX [460]

Answer: I think it is 47.23


Step-by-step explanation: Because 25% of 14.99 = 11.2425 But 35.99+11.2425 dose not seem right so I pretty sure it would be 35.99+11.24= 47.23

-Alissa

Hopefully this is right.... sorry if it is wrong


4 0
3 years ago
Read 2 more answers
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