If the factors of a polynomial are x+7 and x-3, what values of x make that polynomial 0?

Answers

Answer 1

Answer: The values that make x that polynomial would be 0 would be 7 and negative 3.

Hope this helps:)

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Your mortgage is $135,400.00 at a 5.25% APR. If you pay $1,500.00 towards the mortgage each month, how much of your second month's payment is applied to the principal?

Answers

in the 1st month, the accrued interest is ___ (1/12) * .0525 * 135400

subtract the interest from the payment to find the change in the principal for the 2nd month

find the 2nd month's interest and subtract from the payment to find the amount applied to principal

Answer:

Correct answer D. $707.50

Step-by-step explanation:

I just took the test

Solve each quadratic equation. Show your work.
x^2 + 3x = 10

Answers

$x^(2) +3x=10$
$x^(2) +3x-10=0$
$x^(2) +5x-2x-10=0<span>$
x(x+5)-2(x+5)=0
(x-2)(x+5)
x=2, x=-5

Answer:

Step-by-step explanation:

We shall use middle term split method to find the factor

here middle term is 3 ,factor of -10 which gives -3 on adding

such numbers are -10 = 5 and -2

5+(-2) = 3

And then making two groups and simplifying it ,we get the roots

$x^2+3x =10 \nx^2+3x-10 =0 \nx^2+(5-2)x-10=0 \nx^2+5x-2x-10=0 \nx(x+5)-2(x+5) = 0\n(x-2)(x+5) =0 \nx=2 or x= -5 \n$

Help me -30=5(x+1)−30=5(x+1) x=

Answers

x=-1
i think that’s what it is

Answer:

X=-7

Step-by-step explanation:

Divide then subtract to get x by itself

-30=5(x+1)

Divide each side by 5= -30/5=5(x+1)/5

-30=x+1

-6=x+1

-6-1=x+1-1 Subtract one to get x by itself

-6-1=x+1-1 (cross out both x's.

-6-1=x

Hope this helped

$120 is shared in the ratio 2:3. What is the larger share

Answers

Step-by-step explanation:

The larger share is 3 out of (3+2 =5)

3/5 * 120 = 72 dollars

Irene just drank a cup of coffee to help her stay awake. The coffee had 120 milligrams of caffeine in it. If her body processes 10% of the caffeine every hour, how much will be left in 10 hours? If necessary, round your answer to the nearest tenth.

Answers

Hi there!

For this, we need to use an exponential function. This is because it constantly takes 10% of what is left, not just 10% of the total. The formula for an exponential function:

$a\cdot b^x$

Where $a$ is the original value, $b$ is the rate of change, and $x$ is the time. We know the original value is 120 milligrams. The rate of change is 90%, as after every hour there is 90% of what there was previously remaining. Finally, we are looking for how much is remaining after 10 hours, so 10 is the time.