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konstantin123 [22]
3 years ago
14

WILL MARK BRAINLIEST Which graph represents the solution set of -2y > 7x + 4?

Mathematics
2 answers:
a_sh-v [17]3 years ago
8 0

we have

----> inequality A

The solution of the inequality A is the interval ------> [-1,∞)

-------> inequality B

The solution of the inequality B is the interval ------> (-∞,7]

The solution of the compound inequality is

[-1,∞) ∩ (-∞,7]=[-1,7]

therefore

the answer in the attached figure

geniusboy [140]3 years ago
6 0
Divide by -2 (flip the sign!!) on each side to get y<-7/2x-2 graph the "intercepts" (0,-2) and (-4/7,0) with a dotted line.

pick a test point (0,0) and plug into the equation to determine which side to shade 0<-7/2(0)-2
0<-2 is false so shade below the line

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What is the solution of -8/2y-8=5/y+4-7y+8/y2-16
omeli [17]
The answer would be -0.102564 repeating because if you do the math before dividing you would get -8/6.5/-1.5/-8

3 0
3 years ago
3a2 + 2a + 2a2 is equal to​
yanalaym [24]

Answer:

  5a^2 +2a

Step-by-step explanation:

Like terms are ones with the same exponent of x. They can be combined.

  3a^2 +2a +2a^2

  = (3a^2 +2a^2) +2a

  = (3+2)a^2 +2a

  = 5a^2 +2a

4 0
2 years ago
Read 2 more answers
116.PS-9<br> Question Help<br> Find the surface area of the prism.<br> 8 cm<br> 5 cm13cm<br> 12 cm
Ivanshal [37]

Answer:

6,240 cm

Step-by-step explanation:

8 cm x 5 cm x 13 cm x 12 cm = 6,240 cm

8 0
2 years ago
Solve for the variable. 3/4x = -24​
sleet_krkn [62]

Hello!

Answer:

\huge\boxed{x = -32}

3/4x = -24

To isolate the "x" variable, divide both sides by 3/4 (multiply by its reciprocal, or 4/3)

3/4x · 4/3 = -24 · 4/3

x = (-24 · 4) / 3

x = -32.

8 0
3 years ago
Read 2 more answers
WHAT IS THE ANSWER TO B HOW AMNY MILES PLEASE
inna [77]

Answer:

The answer is there it is 21 miles/ but if its wrong then below will be right.

27-23= 4+15 = 19 miles

27 needed to be deducted first to find out how many miles it took from Corwen to Mold. Then as we found 4 miles we can then work out Mold to Wrexham = 15 Then add together = 19m

Step-by-step explanation:

its better if you label the 0-C = 27 C-M = 27-23 = 4 then M-W = 15 15+4 =19

7 0
3 years ago
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