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IgorC [24]
3 years ago
10

Find the inverse of y=1/2x+6. Show steps

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
7 0

Answer:

y = 2x - 12

Step-by-step explanation:

To find the inverse of a function, you switch x and y and solve for y.

x = 1/2 y + 6                 switch x and y

x - 6 = 1/2 y                  subtract 6 from both sides

2x - 12 = y                    multiply both sides by 2

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Based on the cumulative frequency histogram, determine the number of swimmers who swam between 200 and 249 yards. Determine the
Lostsunrise [7]

Answer:

(a)\ 200 \to 249 =3

(b)\ 150 \to 199 = 0

(c)\ Total = 20

Step-by-step explanation:

Given

See attachment for cumulative frequency histogram

Solving (a): Swimmers between 200yd and 249yd

To do this, we simply read the data from the 0 mark

From the histogram, we have:

0 \to 249 = 15

and

0 \to 199 = 12

So:

200 \to 249 = 0 \to 249 - 0 \to 199

This gives:

200 \to 249 = 15-12

200 \to 249 =3

Solving (b): Swimmers between 150yd and 199yd

To do this, we simply read the data from the 0 mark

From the histogram, we have:

0 \to 149 = 12

and

0 \to 199 = 12

So:

150 \to 199 = 0 \to 199 - 0 \to 149

This gives:

150 \to 199 = 12-12

150 \to 199 = 0

Solving (c): Total swimmers

To do this, we simply read the longest bar of the histogram

Longest = 20

Hence:

Total = 20

4 0
2 years ago
a. So far, she has collected 432 signatures. This is 36% of the number of signatures she needs. How many signatures does Sarita
erma4kov [3.2K]

Answer:

1200 signatures are needed

Step-by-step explanation:

t = total number of signatures

t * 36% = 432

Change to decimal form

.36t = 432

Divide each side  by .36

.36t/.36 = 432/.36

t =1200

1200 signatures are needed

8 0
3 years ago
3. 5 points
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The Mixture B is the answer! Hope this helps
5 0
3 years ago
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