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scZoUnD [109]
3 years ago
5

2. Suppose y varies directly as x and y=-8 when x=-2. Find x when y=32.

Mathematics
1 answer:
sattari [20]3 years ago
3 0

Answer:

x = 8

Step-by-step explanation:

Use the direct variation equation, y = kx

Plug in the given values of x and y, and solve for k:

y = kx

-8 = k(-2)

4 = k

So, the equation is y = 4x

Using this, plug in 32 as y, and solve for x:

y = 4x

32 = 4x

8 = x

So, x = 8 when y = 32

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What is the solution to –2(8x – 4) < 2x + 5?
RSB [31]
Simplify both sides of the inequality.

−16x+8<2x+5

Subtract 2x from both sides.

−16x+8−2x<2x+5−2x

−18x+8<5

Subtract 8 from both sides.

−18x+8−8<5−8

−18x<−3

Divide both sides by -18.

−18x/−18 < −3/−18

x>16

Ans : x > 16
7 0
3 years ago
Read 2 more answers
I need help on finding the next terms on this pls help
Katena32 [7]

Answer: -5, -7, and -9

Step-by-step explanation:

checking the pattern they are subtracting by two by the next term, so subtracting 2 from -3 would be -5 and so on.

4 0
4 years ago
Would someone explain to me where to start.
cluponka [151]
You should first write out the equations,
perimeter= 3/y-4+3/y-4+1/y+1/y, and the area is 3/y-4•1/y
then you can simplify it.
7 0
3 years ago
I have another Brainliest reward
Luba_88 [7]
San Antonio to Dallas
65mph with 277 mi
277/ 65 = 4.26 hours
4.26 hours < 4.5 hours
so answer is YES

-----------------
Dallas to San Antonio:  277/4.75 = 58.32 mph
Lubbock to El Paso :    344/4.5 = 76.44 mph
San Antonio to Abilene: 261 / 4.25 = 61.41 mph
Dallas to Abilene: 185 / 3 = 61.67 mph

answer
lowest speed is :
Dallas to San Antonio in 4 3/4 hours


3 0
3 years ago
Which of the following is a not a rational number?<br> 1.3<br> 3.1415...<br> 5.25<br> 0.66
Aleks [24]

Answer:

Step-by-step explanation:

3.14159 is irrational because it's a repeating decimal; it cannot be expressed as the ratio of two integers.  All the others can be expressed in that way.

3 0
3 years ago
Read 2 more answers
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