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3 years ago

Josie has $80. Addie has $60.

Mathematics

2 answers:

Anika [276]3 years ago

8 0

Both of them will have the same amount of money in 2 months

kherson [118]3 years ago

6 0

Both of them will have the same amount of money in 2 months

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PLEASE HELP WITH A, B , C, AND D

Tanzania [10]

Use khan academy they help with math and everything

4 0

3 years ago

You deposit $20,000 in an account that pays 7.77% annual interest. Find the balance after 2 years when the interest is compounde

zvonat [6]

Answer:

=$23,350.802

Step-by-step explanation:

Compound Interest (A)=P(1+r/n)^nt

Where,

P=principal=$20,000

r=Interest rate=7.77%=7.77/100

=0.0777

n=number of periods=12 month in a year

t=time=2 years

(A)=P(1+r/n)^nt

=$20,000(1+0.0777/12)^12×2

=$20,000(1+0.006475)^24

=$20,000(1.006475)^24

=$20,000(1.1675401)

=$23,350.802

3 0

3 years ago

What is the effect on the graph of the function f(x) =x when f(x) is replaced with f(-x)

Anika [276]

Answer:

The graph would be negative

8 0

3 years ago

Which ratio expresses the scale used to create this drawing? The post office has dimensions of 36 meters by 90 meters. A. B. C.

Dmitry [639]

Answer:

2 : 5

Step-by-step explanation:

In order to obtain the ratio between numbers, we divide by the largest common factor between both.

In this question, the numbers are;

36 : 90

The largest common faction is 18. Dividing both numbers by 18, we have;

36 / 18 : 90 / 18

2 : 5

The ratio is; 2 : 5

6 0

3 years ago

What is the first step to solve the following system of equations using substitution?

Akimi4 [234]

Answer:

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for x

Thus, option A) is true.

The solution to the system of equations be:

$x = 4, y = 5$

Step-by-step explanation:

It is important to remember that when we solve the system of equations, the first step we need to do is to solve one of the equations for one of the variables.

Given the system of equations

$x - y = -1$

$2x - y = 3$

Step 1: Solve one of the equations for one of the variables. Let's solve the first equation for x

$x-y=-1$

Add y to both sides

$x-y+y=-1+y$

$x=-1+y$

Thus, option A) is true.

<u>NOW LET US SOLVE THE REMAINING PORTION</u>

$\mathrm{Subsititute\:}x=-1+y$ to solve for y

$\begin{bmatrix}2\left(-1+y\right)-y=3\end{bmatrix}$

$-2+y=3$

$y=5$

For x = -1 + y

substitute y = 5

$x=-1+5$

$x=4$

Thus, the solution to the system of equations be:

$x = 4, y = 5$

3 0

3 years ago