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4 years ago

Mrs. Price purchases 24 tickets for the students

Mathematics

1 answer:

finlep [7]4 years ago

3 0

Answer:

Step-by-step explanation:

24(24)

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State the the roots of y=x^2+8x

Likurg_2 [28]

Answer:

The roots of the given equation are x = 0 and x = -8.

General Formulas and Concepts:

Algebra I

Terms/Coefficients

Factoring/Expanding

Quadratic Equations

Solving quadratic equations

Step-by-step explanation:

Step 1: Define

Identify.

y = x² + 8x

Step 2: Find Roots

[Quadratic] Factor: y = x(x + 8)
[Quadratic] Set up [Solve]: 0 = x(x + 8)
[Quadratic] Define: x = 0, -8

∴ the roots of the quadratic equation y = x² + 8x is equal to 0 and -8.

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Topic: Algebra I

8 0

3 years ago

How do you do 7(x+2) = 91 in a distributive way

ankoles [38]

7(x+2)=91

7x+7.2=91

7x+14=91

7x =91-14

7x =77

x =77/7

x =11

7 0

3 years ago

Read 2 more answers

Find the missing term of 3b2 − = -9b2 ? -6b^2 -9b^2 -12b^2

gladu [14]

3b^2 - x = -9b^2
x = 3b^2 +9b^2

x = 12b^2

3b^2 -12b^2 = -9b^2

hope this will help you

7 0

4 years ago

You invest $1200 and it grows at a rate of 7% for 5 years. Which expression gives the value of your investment?

finlep [7]

The expression gives the value of your investment is $A=1200(1.07)^{5}$

The value of investment after 5 years is $ 1683.06

Solution:

Given that You invest $1200 and it grows at a rate of 7% for 5 years

To find: Expression that gives the value of your investment

From given information,

Principal = $ 1200

rate of interest = 7 %

number of years = 5 years

The formula for compound interest, including principal sum, is:

$A=p\left(1+\frac{r}{n}\right)^{n t}$

Where,

A = the future value of the investment/loan, including interest

P = the principal investment amount (the initial deposit or loan amount)

r = the annual interest rate (decimal)

n = the number of times that interest is compounded per unit t

t = the time the money is invested or borrowed for

Assuming interest is compounded annually, n = 1

$r = 7 \% = \frac{7}{100} = 0.07$

Substituting the values we get,

$A=1200\left(1+\frac{0.07}{1}\right)^{1 \times 5}$

$\begin{aligned}&A=1200\left(1+\frac{0.07}{1}\right)^{1 \times 5}\\\\&A=1200(1.07)^{5}\\\\&A=1200 \times 1.402=1683.06\end{aligned}$

Thus the value of investment after 5 years is $ 1683.06

7 0

4 years ago

When CP = Rs 1250 and SP = Rs 1500, find profit or loss percent ?

Alex Ar [27]

Answer:

profit=20%

Step-by-step explanation:

profit%=sp-cp/cp×100%

=1500-1250/1250×100

=250/1250×100

=20%

6 0

3 years ago