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Ronch [10]
2 years ago
13

It takes a 2 1/2 yard from a bolt of fabric to make a costume for a school play. How much fabric would be needed for 8 costumes

Mathematics
1 answer:
Genrish500 [490]2 years ago
5 0

Answer:

20 yards of fabric

Step-by-step explanation:

you can find this answer more easily by timing 2 by 8 then timing 1/2 by 8 witch would be 16 and 4 then all you do is add 16 and 4 to get 20

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Question 3.<br> How do you write 4% as a decimal?<br> A) 0.4<br> B) 0.40<br> C) 0.04
AnnyKZ [126]
C. 0.04 would be the correct answer.
5 0
3 years ago
Read 2 more answers
Solve the proportion<br> h/4=7/14
BabaBlast [244]
H/4=7/14
we cross multiply , so
14*h = 7*4
14h=28
divide by 14 on both sides
h=28/2=2
4 0
3 years ago
A car radiator needs a 80% antifreeze solution. The radiator now holds 15 liters of a 70% solutions. How many liters of this sho
slavikrds [6]
So... the radiator has 15 liters of 70% antifreeze.. but needs an 80% antifreeze

well, so, you need to drain some and put some with higher percentage, seems to be, you will end up at the same 15 liters, possible the radiator's capacity, of 80% antifreeze

so, the same amount going out, of 70% is the same amount going in, of 100% antifreeze

now.. let's use the decimal format for the percents, or 70% is 70/100 or 0.7 and so on
\bf \begin{array}{lccclll}&#10;&amount&concentration&&#10;\begin{array}{llll}&#10;concentration\\&#10;amount&#10;\end{array}\\&#10;&-----&-------&-------\\&#10;\textit{70\% sol'n, out}&x&0.7&0.7x\\&#10;\textit{100\% sol'n, in}&x&1.00&x\\&#10;\textit{current 70\% sol'n}&15&0.7&10.5\\&#10;-----&-----&-------&-------\\&#10;mixture&15&0.8&12&#10;\end{array}

so.. let's subtract, from the current solution, 0.7x and add 1x or x, our antifreeze concentration amount, should be 12 though

10.5 - 0.7x + x = 12

solve for "x"

3 0
3 years ago
Read 2 more answers
Please help me need ASAP
Anton [14]

Answer:

The answer is either (3) or (4) because drawing a line of best fit and finding its gradient is going to give you a negative answer

3 0
2 years ago
Read 2 more answers
6 millimeters = yards
sertanlavr [38]
6 millimeters equals 0.00656168 yards.
7 0
3 years ago
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