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forsale [732]
3 years ago
13

Simplify. 3/4−4z+5/4z−1/2+1/2z Enter your answer in the box.

Mathematics
2 answers:
Alik [6]3 years ago
7 0
1/4-11/4. Simplify by combining like terms
MaRussiya [10]3 years ago
6 0

Answer: 1/4−2 1/4z


Step-by-step explanation:  Just had a test



hope this helps


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Voting age
Levart [38]

Answer:

\frac{17}{64}\approx 0.27

Step-by-step explanation:

We have been given a table to voters and their ages. We are asked to find the probability that a voter is younger than 45.

Voting age         Voters

17-29                       9

30-44                      8

45-64                    32

65+                        15

We can see from our given table that age of 17 (9+8) voters is between 17 to 44 years.

To find the probability that a voter is younger than 45, we will divide 17 by total number of voters.

\text{Total voters}=9+8+32+15=64

\text{Probability that a voter is younger than 45}=\frac{17}{64}

\text{Probability that a voter is younger than 45}=0.265625

\text{Probability that a voter is younger than 45}\approx 0.27

Therefore, the probability that a voter is younger than 45 is 0.27.

4 0
3 years ago
A penny is 0.061 inchthick. wath is the valuee of the 6 in the thickness of a penny
qaws [65]
The value of 6 is 6 hundreths
5 0
3 years ago
14x+7y=217 <br> 14x+3y=189
kondor19780726 [428]

Answer:

y = 7

x = 12

Step-by-step explanation:

14x+7y=217, then 14x = 217 - 7y

14x+3y=189, then 14x = 189 - 3y

217 - 7y = 189 - 3y

add 7y to each side of the equation:

4y + 189 = 217

subtract 1890 from each side:

4y = 28

divide both sides by 4:

y = 7

14x + 3(7) = 189

subtract 21 from each side:

14x = 168

divide both sides by 14:

x = 12

4 0
3 years ago
Select the correct answer
Tasya [4]
The correct answer is the 5th option (one before the last one).
7 0
3 years ago
Janet has 120 dollars,. if she saves 20 dollars per week, in how many days will she have 500?
GrogVix [38]
After 28 days she will have 200. every 28 days she saves 80 dollars and after 112 she will have saved 320. She will then be at 460 and need 40 more dollars which is 14 days, and 112 plus 14 is 126 days. Hope that helped
4 0
3 years ago
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