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I am Lyosha [343]
3 years ago
15

Marianne has been collecting donations for her biscuit stall at the school summer fayre. There are some luxury gift tins of bisc

uits to be sold at £5 each, normal packets at £1 each, and mini-packs of 2 biscuits at 10p each. She tells Amy that she has received exactly 100 donations in total, with a collective value of £100, and that her stock of £1 packets is very low compared with the other items. Amy wants to work out how many of each item Marianne has. Show how she can do it.
Mathematics
1 answer:
Nat2105 [25]3 years ago
5 0
Explain why dosea mountain climber needs an oxygen supply at very high altitude even through the air still contains 21% oxygen
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Simplify: 3m over m-6 •5m3 - 30m2 over 5m2
vfiekz [6]
\frac{3(5m^{4}-2m +12)}{m-6} should be the right answer
3 0
3 years ago
Please help!! I need to know this by today
mario62 [17]
Answer=60

Since the base of the prism is a right triangle, we can use the pythagorean theorem to solve for x.

a²+b²=c²
plug in the data
a²+24²=30²
a²+576=900
subtract 576 from both sides
a²=324
sq root
a=18
So x=18


The formula for the volume of a triangular prism is...

V=(area of the base)*(height)
V=1/2bh*H      where b=base of triangle h=height of triangle, H=height of prism
plug in the data that we know
720=1/2*18*24*H
720=216*H
divide both sides by 216
3 1/3=H

So x=18 and y=3 1/3 or 3.33 repeating

The product of the two

18*3 1/3=60

Answer=60


6 0
3 years ago
Read 2 more answers
What is the least 1/5 0.22 or 19%
attashe74 [19]


1/5 = 0.20

0.22 = 0.22

19% = 0.19

so, 19% is the smallest

7 0
3 years ago
Mr smith earn 1900 each week and his wife earns 1150 each week they need to set aside 300 for food 90 for gas 875 for the mortga
QveST [7]

answer

1385

explanation

to find the total, subtract the amount they earned by the amount they spend

total = earned - spent

earned

each week, Mr. Smith earns 1900 and and his earns 1150, so add these values together to find the total amount they earn

earned = 1900 + 1150

earned = 3050

spent

they spend money on food, gas, mortgage, and savings, so add these values together to find the total amount they spend

spent = food + gas + mortgage + savings

spent  = 300 + 90 + 875 + 400

spent = 1665

total

now that we know how much they earn and spend, we can find the total

total = earned - spent

total = 3050 - 1665

total = 1385

every week they have 1385 left over

4 0
3 years ago
What's the ratio 20 to 36
inna [77]
20:36 simplifies to 10:18 then to 5:6
7 0
3 years ago
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