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vovangra [49]
3 years ago
5

Factor the following equation x^2 +3x-10

Mathematics
1 answer:
stich3 [128]3 years ago
5 0

Answer:

(x-2)(x+5)

Step-by-step explanation:

-2 plus 5 equals 3

and -2 times 5 equals -10

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Multiply and simplify. (x + 3)(x - 8)
Kazeer [188]

Answer:

x^{2} - 5x - 24

Step-by-step explanation:

( x + 3 )( x - 8 ) =

x^{2} - 8x + 3x - 24 = x^{2} - 5x -24

4 0
4 years ago
46.The function f graphed above is the function f(x) = log2(x) + 2 for x > 0. Find a formula for the inverse of this function
pantera1 [17]

Answer:

The inverse for log₂(x) + 2  is - log₂x + 2.

Step-by-step explanation:

Given that

f(x) = log₂(x) + 2

Now to find the inverse of any function we put we replace x by 1/x.

f(x) = log₂(x) + 2

f(1/x) =g(x)= log₂(1/x) + 2

As we know that

log₂(a/b) = log₂a - log₂b

g(x) = log₂1 - log₂x + 2

We know that  log₂1 = 0

g(x) = 0 - log₂x + 2

g(x) =  - log₂x + 2

So the inverse for log₂(x) + 2  is - log₂x + 2.

3 0
4 years ago
Assume that in january 2013, the average house price in a particular area was $289,400. in january 2000, the average price was $
PtichkaEL [24]
The problem is an arithmetic sequence with:
a₁ = 206,300
an = 208,400

n = 2013 - 2000
n = 13

To find the annual increase, use this following formula
an = a₁ + d(n - 1)
d represents the annual increase

Input the numbers
an = a₁ + d(n - 1)
289,400 = 206,300 + d(13 - 1)
289,400 = 206,300 + 12d
289,400 - 206,300 = 13d
83,100 = 12d
12d = 83,100
    d = 83,100/12
    d = 6,925

The annual increase is $6925
7 0
3 years ago
PLEASE HELP FAST! WILL MARK AS BRAINLIEST IF GIVEN GOOD ANSWER!
S_A_V [24]

Answer:

8y=8 or 4y=-4

Step-by-step explanation:

1.)-2(x+3y=-1)

   2x+2y=6

2.)-2x+6y=2

     2x+2y=6

3.)6y=2  

   2y+6

4.)8y=8 (If adding) or 4y=-4 (If subtracting)

5 0
3 years ago
Which rules of exponents will be used to evaluate the expression. Check all that apply.
lora16 [44]

Answer:product of powers, power of power, negative exponent

Step-by-step explanation:

8 0
3 years ago
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