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goblinko [34]
3 years ago
9

When a = 6 and b = 22, C = 33. If c varies directly with b and inversely with a, which equation models the situation?

Mathematics
1 answer:
S_A_V [24]3 years ago
4 0

Step-by-step explanation:

C=b/a

c=kb/a

where as k is the constant

c=kb/a

we substitute

33=22k/6

crossed multiply

33*6= 22k

198=22k

we divide both sides by 22

198/22=22k/22

K=9

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8 0
3 years ago
I need to know the answer
makkiz [27]

Step-by-step explanation:

3k + 2k - 6 = 8k + 3

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3 0
3 years ago
Read 2 more answers
Solve the system of equations 2x + 3y = 40 and –2x + 2y = 20.
Flura [38]
2x + 3y = 40
+
-2x + 2y = 20
___________                  Adding both equations

0x + 5y  = 60
____________


5y = 60
y = 60/5 = 12

y = 12.

Since we have gotten y =12, and the only option with that is option D.

So we don't have to solve for x.

<span>The answer is D.</span>
7 0
4 years ago
Please help this is due today.
alex41 [277]

Answer:

b = 90

c=80

d =100

Step-by-step explanation:

Given

See attachment

Required

Find b, c and d

First, we solve for b using:

b + 10 + b - 10 = 180 --- base angles of a parallelogram

Collect like terms

b + b =180+10-10

2b = 180

Solve for b

b = 180/2

b = 90

Then, we have:

d =b + 10

c = b - 10 --- opposite angles

So, we have:

d =90 + 10

d =100

c = 90 - 10

c=80

6 0
3 years ago
How do you know if f is continuous on a closed interval?
Sophie [7]
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