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victus00 [196]
3 years ago
8

3) If 3 folders cost $2.70, then how much would 8 folders cost? *

Mathematics
2 answers:
stiks02 [169]3 years ago
7 0
If the cost of three folders is 2.70 then the other three folders would be 2.70 to but you have to add those and you get 5.4 then the cost of the last 2 folders is 1.94 so add that all up and choose the closest number
Troyanec [42]3 years ago
3 0

Answer:

2.70/3=0.9

0.9x8=7.20

Answer is 3 - $7.20

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What number goes into .20 and 215?
Leviafan [203]
I think 1 is the only common factor of both 0.20 and 215 but I'm not 100% certain
7 0
3 years ago
Select all numbers that are irrational.
klasskru [66]

Answer:

The square root of 0.33 is the only irrational number.

Step-by-step explanation:

.25 NOT

sq rt. of .25 is .5

sq rt. of .33 is .574456....

7 0
3 years ago
7 x what = 315?????????????
Allisa [31]

Answer:

7 × x = 315

x = 315 ÷ 7

x = <u>4</u><u>5</u>

<u>4</u><u>5</u><u> </u><u>is</u><u> </u><u>the</u><u> </u><u>answer</u><u>.</u>

5 0
3 years ago
Read 2 more answers
a week before election day, 276 out of 450 people said they would vote for the republican candidate. if 15,240 registered voters
Ann [662]

Answer:

(a) \frac {276}{450}=\frac {y}{15240}

(b) We cross multiply the probability by the total voters

(c) 9347

Step-by-step explanation:

(a)

Probability of getting a republican voter is

\frac {276}{450}=\frac {138}{225}=\frac {46}{75}

\frac {276}{450}=\frac {138}{225}=\frac {46}{75}=\frac {y}{15240}

These are found by dividing the first numerator and denominator by 2, then by 3

To make it complete, the situation is therefore defined as \frac {276}{450}=\frac {y}{15240} where y is unknown value

(b)

Cross multiplication of the probability and number of voters gives the actual figure of y in the equation formed in part a of the question.

(c)

Since we have 15240 voters who plan to participate in election, we cross multiply to get the approximate number of republican voters which yields

\frac {46}{75}\times 15240=9347.2\approx 9347

5 0
3 years ago
a machine can produce 6 yards of fabric in 2 minutes how much fabric can the machine produce in 2 hours?
Mariulka [41]

Answer:

360 yards in 2 hours

Step-by-step explanation:

6 yards in 2 minutes = 3 yards in 1 minute

2 hours = 120 minutes

3*120

360 yards

4 0
3 years ago
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