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Genrish500 [490]
4 years ago
13

Need help with this math problem

Mathematics
1 answer:
Andre45 [30]4 years ago
8 0

Hey There!

First you would need to factor out the two.

-4x^3/2 = -2x^3

2x^2/2= x^2

12x/2= 6x

6/2= 3

Now we have.

-2x^3+x^2+6x+3 / x+1

We would then factor with polynomial division, and then we should have.

-2(2x^2 - 3x - 3)(x+1) / x+1

We would then cancel out the x+1

Therefore, the answer would be \boxed{-2(2x^2-3x-3)}

Hope this helped!

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Simplified, -14xy − (-3xy) is
Debora [2.8K]

Answer:

-11xy

Step-by-step explanation:

-14xy -(-3xy)

multiply the bract first - sign * minus sign is plus sign

-14xy+3xy

since they are like terms u can subtract them.u should subtract them because minus and plus means subtract and we should put minus sign in front of the answer because 14 is the highest number and it's sign is negative .

-11xy

5 0
3 years ago
Identify the equation that describes the line in slope-intercept form. slope = 2 , point (- 1, 2) is on the line
JulijaS [17]

<u>Answer:</u>

y=2x+4

<u>Step-by-step explanation:</u>

  • Given a slope and a point on the line, you can use point slope form and then rearrage your terms into slope-intercept form
  • <u>SLOPE-INTERCEPT FORM</u>: y=mx+b, where "m" is your slope and "b" is your y-intercept
  • <u>POINT-SLOPE FORM:  </u> (y-y_{1}) =m(x-x_{1}), where y_{1} represents the y-coordinate of your point, x_{1} represents the x-coordinate of your point, and m represents the slope

(y-2)= 2(x-(-1))

  • Point-slope form

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

y-2=2x+2

y=2x+4

  • Slope-intercept form

3 0
2 years ago
Find the length of the unknown side. Round your answer to the nearest whole number.
aleksley [76]
The answer is 72.8. in order to solve this problem, you need to use the pythagorean theorem. the equation is c^2-b^2=a^2.

75^2-18^2=a^2

75 squared minutes 18 squared is 5301. then you need to find the square root of 5301.

the square root of 5301 is 72.8079666, rounding to 72.8.
6 0
3 years ago
Read 2 more answers
Which ordered pairs lie on the graph of the exponential function f(x)=2^(x+4)−8?
natka813 [3]
Given the function

f(x)=2^{(x+4)}-8

Consider the point (2, 56) i.e. when x = 2

f(x)=2^{2+4}-8 \\  \\ =2^6-8=64-8 \\  \\ =56

Therefore, point (2, 56) lie on the graph of the given exponential function.

Consider the point (-2, -4) i.e. when x = -2

f(x)=2^{-2+4}-8 \\  \\ =2^2-8=4-8 \\  \\ =-4

Therefore, point (-2, -4) lie on the graph of the given exponential function.

Consider the point (8, 0) i.e. when x = 8

f(x)=2^{8+4}-8 \\  \\ =2^{12}-8=4,096-8 \\  \\ =4,088

Therefore, point (8, 0) does not lie on the graph of the given exponential function.

Consider the point (24, 1) i.e. when x = 24

f(x)=2^{24+4}-8 \\  \\ =2^{28}-8=268,435,456-8 \\  \\ =-268,435,448

Therefore, point (24, 1) does not lie on the graph of the given exponential function.
5 0
4 years ago
Someone please help me quick I've been stuck on this problem for 2 hours and my assignment is due at 10:30pm.
astraxan [27]

Answer:

419.5 ft of BX cable

step-by-step explanation:

12x8.5ft= 102 ft

7x18.5 ft= 129.5ft

24x 1.75ft= 42ft

12x 6.5ft=78 ft

2x 34.25= 68.5ft

Add all the answers and you get 419.5 ft

8 0
3 years ago
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