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Savatey [412]
3 years ago
13

Share £840 in the ratio of 5:7 plsss

Mathematics
2 answers:
Zepler [3.9K]3 years ago
5 0
Ratio ⇒ 5 : 7

<u>Find total parts:</u>
Total Parts = 5 + 7 = 12

<u>Find 1 part</u>:
12 parts = <span>£840
</span>1 part = £840 ÷ 12 = <span>£70

<u>Find 5 parts:</u>
1 part = </span>£70
5 parts = £70 x 5 = £350

<u>Find 7 parts:</u>
1 part = £70
7 parts = £70 x 7 = £490

Answer: £350 : £490
STatiana [176]3 years ago
3 0

3+4 = 7 
<span>840/7 = 120 </span>
<span>3×120 = 360 </span>
<span>4×120 = 480 </span>

<span>£360:£480 = 3:4</span>
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What does the point (1994, 400) on the graph represent?
yuradex [85]

Answer: There are 400 tadpoles in the year 1994.

This is because any point is of the form (x,y) where in this case

x = year number

y = tadpole population number

So (x,y) = (1994, 400) means x = 1994 and y = 400 pair up together.

In short, the year x = 1994 corresponds to the population of y = 400 tadpoles.

From the years 1990 to 1992, the population is increasing since the curve goes upward when moving from left to right. Then from 1992 to 1993, the population decreases hitting its lowest point in that specific region. From 1993 to 1997, the population increases before it decreases again from 1997 to 1999.

5 0
3 years ago
Which equation is represented by the graph below?
LuckyWell [14K]

Answer:

Step-by-step explanation:

Hello

A (5;2)

B (-1;-7)

y = ax + b

2 = 5a + b

-7 = -a + b

2 - (-7) = 5a - (-a) + b - b

2 + 7 = 5a + a

9 = 6a

a = 9/6

a = 3/2

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b = 4/2 - 15/2

b = 11/2

y = 3/2 x + 11/2

y+1= 3/2(x-4)

y + 1 = 3/2 x - 6

y = 3/2 x - 6 - 1

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y-4= 3/2(x+1)

y - 4 = 3/2 x + 3/2

y = 3/2 x + 3/2 + 4

y = 3/2 x + 3/2 + 8/2

y = 3/2 x + 11/2 => yes

y+4= 3/2(x-1)

y + 4 = 3/2 x - 3/2

y = 3/2 x - 3/2 - 4

y = 3/2 x - 3/2 - 8/2

y = 3/2 x - 11/2 => no

y-1= 3/2 (x+4)

y - 1 = 3/2 x + 6

y = 3/2 x + 6 + 1

y = 3/2 x + 7 => no

5 0
3 years ago
Read 2 more answers
(5/7) to the power of 4 i need to know as a fraaction
yuradex [85]

Answer:

625/2401

Step-by-step explanation:

5/7 ^ 4 = 5 * 5 * 5 * 5 / 7*7*7*7 = 625/2401

8 0
3 years ago
Read 2 more answers
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