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Strike441 [17]
3 years ago
8

Can someone solve this equation -101=7+3(-4+4n) I need to know how you solved it too

Mathematics
1 answer:
nasty-shy [4]3 years ago
6 0
-101=7+3(-4+4n)
multiply 3 and the parentheses
-101=7-12+12n
simplify
-101=-5+12n
add 5 on both sides
-96=12n
divide both sides by 12
-8=n
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In the graph, the area below f(x) is shaded and labeled A, the area below g(x) is shaded and labeled B, and the area where f(x)
Brilliant_brown [7]

Answer:

  • y < 3x − 1
  • y ≤ −x + 4

Step-by-step explanation:

<u>As per the given graph we have:</u>

Function f with dotted line (> or < sign), increasing function (slope is positive), y-intercept of -1 and shaded area A is to the right (so < sign), so this represents the inequality:

  • f(x) < 3x - 1

Function g with solid line (≥ or ≤ sign), decreasing function (slope is negative), y-intercept is 4 and shaded area B is to the left (so ≤ sign), so this represents the inequality:

  • g(x) ≤ -x + 4

<u>Correct system is C:</u>

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6 0
3 years ago
The volume of a square prism is 144x^3 +216x^2 +81x
Svetach [21]

Answer:

Equation for the perimeter of prism's square face: 16x + 12

Step-by-step explanation:

Volume of Square prism = Length * Width * Height

                                         = 144 x^3 + 216 x^2 +81 x

taking 9x common = 9x( 16 x^2 + 24 x + 9)

                               = 9x ( (4x)^2 + 2(4x)(3) + (3)^2 )

                                = 9x ( 4x+3)^2

so the length is 9x, width is 4x+3 and height is 4x+3

Now, Perimeter of prism's square face = 2* Width + 2 * Height

                                                                = 2* (4x+3) + 2* (4x+3)

                                                                = 8x +6 + 8x + 6

                                                                = 16x +12

                   

6 0
3 years ago
Which of the following uses the distributive property correctly?
JulsSmile [24]

Answer:

here,

3( x + 5 ) = 3• x+ 3 • 5 uses the distributive property correctly.

5 0
4 years ago
Please help on 4-7 please I will give thanks or brainiest
Vladimir79 [104]
4) 9:35 5) 3hours 40 minutes 6) 2:05 7) 11:24
7 0
4 years ago
Read 2 more answers
The width of a rectangle is 5 n minus 1.5 feet and the length is 1.5 n plus 9 feet. Find the perimeter of the rectangle.
andre [41]

Answer:

Perimeter= 13n+15

Step-by-step explanation:

We know that

Length(l) = 1.5n + 9 ft

Width(w) = 5n - 1.5 ft

The formula for the perimeter(P) of a rectangle is:

P=2l+2b \\or \\P=2(l+b)

So by substituting l and w we get :

P= 2[(1.5n+9)+(5n-1.5)]

P= 2[(1.5n+9)+(5n-1.5)]

P= 2[1.5n+5n+9-1.5]

P= 2[6.5n+7.5]

P= 13n+15

5 0
4 years ago
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