Subtract.(x + 1) - (-2x - 5)
A) 6 –x
B) -x - 4
C) 3x - 4
D) 3x + 6

Answers

Answer 1

Answer: D) 3x+6

x + 1 + 2x +5

That will = D

Answer 2

Answer: I think he answer is D.
(x+1)-(-2x-5)
x+1+2x+5
3x+6

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Which equation is correct

Answers

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v=2,000y+20,000
hope it helps

If f(x)=5x^3-2 and g(x)=2x+1, find (f+g)(x).

Answers

$(f+g)(x)=f(x)+g(x)\n\n(f+g)(x)=5x^3-2+2x+1\n(f+g)(x)=5x^3+2x-1$

Find the circumference of the circle. Round your answer to the nearest hundredthin the center of the circle is 4.5 ft.
a 14.14
b 15.90
c 16.82
d 17.43

Answers

Answer:

a. 14.14 ft²

Step-by-step explanation:

The measurement given refers to the diameter of the circle. The formula for the circumference and area uses the radius of a circle, therefore it is always safer to use radius instead of diameter

The radius is half of the diameter, which is 2.25 ft.

$A=2*r*\pi \nA=2*2.25*\pi \nA=14.14ft^(2)$

2* π *radius

or

π*diameter

'Word Problems Involving Products and Factoring'Find two consecutive positive numbers such that the product of the sum and difference of the numbers plus 8 is the sum of their squares.

Answers

$x,x+1- two\ consecutive\ numbers\n\n Condition:\nx>0\ and\ x+1>0\nx>0\ and\ x>-1\n\n (x+x+1)(x+1-x)+8=x^2+(x+1)^2\n\n(2x+1)*1+8=x^2+x^2+2x+1\n\n2x+1+8=2x^2+2x+1\n\n-2x^2+2x-2x=1-8-1\n\n-2x^2=-8\ \ |:(-2)\n\nx^2=4\n\nx=2\ \ or\ \ x=-2\ -\ reject\ conditions\ are\ not\ satisfied\n\nTwo\ consecutive\ numbers\ are:\ 2\ and\ 3.$

3 (n+6) do I do 3xN=3n than 3x6=18 n=6?

Answers

yes because it's the distributive property. The distributive property is where you multiply whatever is in the parentheses to the number on the outside. For instance, 5(20+11) to answer this, you set it up like this: 5(_+_) this mean that there are two in the answer. So 5*20 equals 100 and 5*11 equals 55 so to set it up, you do 100+55. To see it the answer is right, you say 5(_+_) and like the factoring to find the numbe is the greatest common factor. The GCF of 100 and 55 is 5 so 100 divided by 5 equal 20 and 55 divided by 11 equals 5 so there you go.

The constants a, b, and c are positive. Solve the inequality for x.

ax-b is less than c