2 years ago

Solve the system of equations

Mathematics

1 answer:

DanielleElmas [232]2 years ago

4 0

Answer:

4x-3y=8

Simplifies to x=3/4y+2

2x+5y=-9

Simplifies to -5/2y+-9/2

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5+7k>=-30 and -4k +4>20

Slav-nsk [51]

Answer:

$\large\boxed{-5\leq k$

Step-by-step explanation:

$5+7k\geq-30\ \wedge\ -4k+4>20\\\\5+7k\geq-30\qquad\text{subtract 5 from both sides}\\7k\geq-35\qquad\text{divide both sides by 7}\\\boxed{k\geq-5}\\\\-4k+4>20\qquad\text{subtract 4 from both sides}\\-4k>16\qquad\text{change the signs}\\4k$

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3 years ago

Can you please give the answer for this problem? : 18+11v=w-13t for t

Kay [80]

18+11v=w-13t
18+11-w=-13t
13t=w-11v-18
t=1/13w - 11/13v - 1 5/13

Hope this helps :)

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3 years ago

A diabetes drug cost $78 online. This cost is 75% of the cost of the

alexgriva [62]

Answer:

$104

Step-by-step explanation:

If the cost in the store is x we can write:

75%x = 78

0.75x = 78

x = 78 / 0.75 = 104

5 0

3 years ago

Read 2 more answers

MAKE AN X/Y CHART !! Marking as brainliest!

Margaret [11]

Answer:

Yes

Step-by-step explanation:

x: -2 y: -8

x: -1 y: -2

x:0 y:0

x: 1 y: -2

x: 2 y : -8

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2 years ago

What is the probability of getting heads and a b, c, and d

sp2606 [1]

I mean probably of getting head is a half if that's what u mean but what is a,b,c,d

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3 years ago