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Nady [450]
3 years ago
13

Please help asap 15 pts

Mathematics
2 answers:
liq [111]3 years ago
6 0

= -9x - 12 - 4x

= - 13x - 12

Answer

a) - 13x - 12

yarga [219]3 years ago
6 0

-13x-12 is the correct answer.

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Which linear inequality represents the solution set graphed?
postnew [5]

Answer:

Correct option is C

Step-by-step explanation:

First, find the equation of the boundary line. This line passes through the points (0,-3) and (-2,1). Then it has equation

\dfrac{x-0}{-2-0}=\dfrac{y+3}{1+3},\\ \\4x=-2(y+3),\\ \\y=-2x-3.

In the attached diagram this boundary line is solid, then the sign of the inequality should be with "or equal to" notion (≤ or ≥). Thus, options A and B are false.

The line divides the coordinate plane into two parts and you have to determine which part to choose. The origin does not lie in the shaded region, then its coordinates cannot satisfy the inequality. Check options C and D.

0\le -2\cdot 0-3\ (0\le -3) - origin does not satisfy (option C is correct);

0\ge -2\cdot 0-3\ (0\ge -3) - origin satisfies (option D is false).

4 0
3 years ago
A sphere has a volume of approximately 24,416.64 cubic inches (using 3.14 for π).
TEA [102]

Answer:

<u>The diameter of the sphere is = 36 in.</u>

<u></u>

Step-by-step explanation:

V = 4π r^3/3

24416.64 = (4(3.14) r^3)/3

73249.92 = 12.56 r^3

r^3 = 5832

r = cube root of 5832 = 18

<u>diameter = 36 in.</u>

<u></u>

3 0
3 years ago
41) 124 students went on a field trip. Three
MrRissso [65]

Answer:

40 students on each bus

Step-by-step explanation:

If you subtract the 4 students that traveled by car from the total 124 students, you are left with 120 students riding the 3 buses. Then, you would divide 120 by 3. (120 students divided by 3 buses.)  120/3 = 40

7 0
4 years ago
Read 2 more answers
5:12 can be written as an equivalent ratio in the form 20:a what is the value of a
IgorC [24]

Answer:

20:a , a=48

Step-by-step explanation:

5*4=20, 12*4 = 48

Simple mathematics, you multiple 5 by 4 to get 20, do the same thing to 12.

5 0
3 years ago
Help me out, please.
Assoli18 [71]
Y+4=2/3(x+3)

(-3,-4)(3,0)
1.find the slope
m=y2-y1/x2-x1
m=0-(-4)/3-(-3)
m=4/6
m=2/3

y-(-4)=2/3(x-(-3))
y+4=2/3(x+3) point-slope form

4 0
3 years ago
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