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rusak2 [61]
4 years ago
12

One kilogram of cheese costs £5.60 jane buys 200g of cheese work out how much she pays

Mathematics
1 answer:
xz_007 [3.2K]4 years ago
3 0

Answer:

Jane pays £1.12 for 200g of cheese

Step-by-step explanation:

1kg = 1000g = £5.60

200g = x

x = (200 × 5.60)/1000

x = 1120/1000

x = £1.12

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Answer:

Sin 90 = 1/1 = 1

Use trigonometry formula and a triangle with lengths of 1

5 0
3 years ago
Please help right away.
Travka [436]

\sum\limits_{k=1}^{\infty}420\left(\dfrac{1}{6}\right)^{k-1}

The infinite geometric series is converges if |r| < 1.

We have r=1/6 < 1, therefore our infinite geometric series is converges.

The sum S of an infinite geometric series with |r| < 1 is given by the formula :

S=\dfrac{a_1}{1-r}

We have:

a_1=420\left(\dfrac{1}{6}\right)^{1-1}=420\left(\dfrac{1}{6}\right)^0=420\\\\r=\dfrac{1}{6}

substitute:

S=\dfrac{420}{1-\frac{1}{6}}=\dfrac{420}{\frac{5}{6}}=420\cdot\dfrac{6}{5}=84\cdot6=504

Answer: d. Converges, 504.

8 0
3 years ago
4/5 of a class is girls and there are 8 boys. How many total in class.
Ann [662]

Answer:

40

Step-by-step explanation:

a+b=c

a=girls

b= boys

c= total

the statement tell us:

4/5 of a class is girls:

a=(4/5)*c

boys=b=8

c=a+b

so we have:

c=(4/5)*c + 8

c-(4/5)*c=8

(5c-4c)/5 = 8

c/5=8

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c=40

total=40

3 0
3 years ago
The equation which correctly represents this situation is
uranmaximum [27]

Answer:

C) x2 + x = 306

Step-by-step explanation:

x2 + x = 306

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x ( x + 18) - 17 (x +18) =0

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5 0
4 years ago
Can you help me please?​
melisa1 [442]

Answer:

it is a it the first one. 7/13

5 0
3 years ago
Read 2 more answers
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