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vovangra [49]
3 years ago
12

Can someone please explain how to factor 8x + 20?

Mathematics
1 answer:
anastassius [24]3 years ago
6 0
Find a common multiplier between both which would be 4. then divide each term by 4. all you have left stays in the parenthesees.

4 (2x+5)
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If f[6} = x ^ -2x , find: f [6} =
ASHA 777 [7]

Answer:

1/ 6^12

Step-by-step explanation:

f[x} = x ^ (-2x)

f(6) = 6 ^ (-2*6)

      = 6 ^ -12

   We know the negative exponent moves it to the denominator

     = 1/ 6^12

7 0
3 years ago
Question 2 (Essay Worth 10 points)
Soloha48 [4]

Answer:

Account A: Decreasing at 8 % per year

Account B: Decreasing at 10.00 % per year

Account B shows the greater percentage change

Step-by-step explanation:

Part A: Percent change from exponential formula

f(x) = 9628(0.92)ˣ

The general formula for an exponential function is

y = ab^x, where

b = the base of the exponential function.

if b < 1, we have an exponential decay function.

ƒ(x) decreases as x increases.

Account A is decreasing each year.

We can rewrite the formula for an exponential decay function as:

y = a(1 – b)ˣ, where

1 – b = the decay factor

b = the percent change in decimal form

If we compare the two formulas, we find

0.92 = 1 - b

b = 1 - 0.92 = 0.08 = 8 %

The account is decreasing at an annual rate of 8 %.The account is decreasing at an annual rate of 10.00 %.

Account B recorded a greater percentage change in the amount of money over the previous year.

5 0
2 years ago
Manda converted the following repeating decimal a fraction. Her work is shown below.
Murljashka [212]

Answer:

step 3

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Which equation represents a line which is parallel to the line x-8y=48 x−8y=48?
Daniel [21]
When the slopes of two lines are equal,they are parallel.
x - 8y = 48 \\  - 8y =  - 1x + 48 \\ y =  \frac{1}{8}x  + 6
so the equation of the parallel line to this one is :
y =  \frac{1}{8} x
hope this helps
3 0
3 years ago
I will give you 10 points
faltersainse [42]
Answer -4/27

-1/9 x 4/3 will give you -4/27
7 0
3 years ago
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