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3 years ago

12

Find the value of f(x) = -3x +2 When x=2

1 answer:

Liono4ka [1.6K]3 years ago

5 0

Answer:

it is -4

Step-by-step explanation:

-3 * 2 = -6 + 2 = -4

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What two numbers multiply to get 25 and add to -10

SOVA2 [1]

$x;\ y-the\ numbers\\\\ \left\{\begin{array}{ccc}xy=25\\x+y=-10&\to x=-10-y\end{array}\right\\\\subtitute:\\(-10-y)y=25\\(-10)(y)-y(y)=25\\-10y-y^2=25\\-y^2-10y-25=0\ \ \ \ |change\ the\ signs\\y^2+10y+25=0\\y^2+5y+5y+25=0\\y(y+5)+5(y+5)=0\\(y+5)(y+5)=0\\(y+5)^2=0\iff y+5=0\to \boxed{y=-5}\\\\subtitute\ the\ value\ of\ y\ to\ the\ equation\ x=-10-y\\x=-10-(-5)\\x=-10+5\\\boxed{x=-5}\\\\Answer:\boxed{-5\ and\ -5}$

7 0

4 years ago

Suppose 5,500 dollars is placed in a saving account how much money would be in the saving account after 5 years if the compound

Semmy [17]

Answer:

FV= $7,040.46

Step-by-step explanation:

Giving the following information:

Initial investment (PV)= $5,500

Number of periods (n)= 5*2= 10 semesters

Interest rate (i)= 0.05/2= 0.025

<u>To calculate the future value (FV), we need to use the following formula:</u>

FV= PV*(1+i)^n

FV= 5,500*(1.025^10)

FV= $7,040.46

3 0

3 years ago

What is the difference of the fractions? Use the number line to help find the answer

alisha [4.7K]

Answer:

-7/10

Explanation:

Given the expression

$\frac{1}{2}-1\frac{1}{5}$

We can rewrite the expression as:

$\frac{1}{2}-\frac{6}{5}=\frac{5}{10}-\frac{12}{10}$

The number line showing the location of the two numbers is attached below. Therefore:

$\frac{5}{10}-\frac{12}{10}=-\frac{7}{10}$

7 0

1 year ago

Help please I’ll mark brainliest!!!! Which of the following graphs is a function of x?

Scrat [10]

I think it’s either D or A,
So sorry if I’m wrong

7 0

3 years ago

Expand the expression

pochemuha

the answer is 4/7 s + 6/7

4 0

4 years ago

Read 2 more answers