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Luda [366]
3 years ago
15

4 3/5 + 2 4/7 hlp pls​

Mathematics
1 answer:
tatyana61 [14]3 years ago
7 0
7.17142857143 or 7.2 ( Im not sure how to put it in fraction form)
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NEED HELP NOW I have 31 stamps total. I have 4 more 1-cent stamps than 8-cent stamps and twice as many one cent stamps as 12 cen
krek1111 [17]

x = number of 1-cent stamps

y = number of 8-cent stamps

z = number of 12-cent stamps

We have 31 stamps all together, so x+y+z = 31.

"I have 4 more 1-cent stamps than 8-cent stamps" means we have the equation x = y+8. Whatever y is, add 8 to it to get x. Solve for y to get y = x-8.

You also have "twice as many one cent stamps as 12 cent stamps", so x = 2z. Solving for z gets you z = 0.5x

-------------

x+y+z = 31

x+x-8+z = 31 ... y replaced with x-8

x+x-8+0.5x = 31 ... plug in z = 0.5x

2.5x-8 = 31

2.5x = 31+8

2.5x = 39

x = 39/2.5

x = 15.6

Your teacher made a typo somewhere because we should get a positive whole number result for x (since x is a count of how many 1-cent stamps we have).

8 0
4 years ago
The second hand on a clock is 8 cm long.
Alenkasestr [34]

Answer:

502cm

Step-by-step explanation:

brainliest maybe?

3 0
3 years ago
Read 2 more answers
there were 20 members in thr running club in september. the membership increased to 25 in october. the membership decreased back
OLga [1]

There was a decrease of 20% in membership from October to November.

Step-by-step explanation:

Step 1; To find the percent by which the running clubs membership decreased we must find the difference between the number of members in October and the number of members in November. The number of members in the club in October was 25 whereas it reduced to 20 in the month of November.

Difference in members = Number of members in October -Number of members in November = 25 - 20 = 5

Step 2; To find the percent decrease in number of members in the running club, we divide the difference in number of members by the number of members in November . We multiply this value by 100 to get it in terms of percentage.

Percent decrease in number of members =(Difference in members / number of members in November) *100

                                                                      = (5/25) * 100 = 0.20 * 100 = 20%

So number of members in the club decreased by 20% from October to November.

4 0
4 years ago
3. Gavin works for a skydiving company. Customers pay
Keith_Richards [23]

Answer:

Ok so you have to do this

Step-by-step explanation:

3 0
3 years ago
Multiply x(x 5) how to find the answer
PilotLPTM [1.2K]
I hope this helps you



x.x^5



x^1+5



x^6
8 0
4 years ago
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