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igor_vitrenko [27]
4 years ago
15

1.If 70% is £14, what is the full cost

Mathematics
1 answer:
Artist 52 [7]4 years ago
5 0
1) £20
2) 18/4 * 7 = 31,5msquared
3) X= (3-1)/5 = 2/5 = 0.4
4) A(n) = 2 + 5n
5) t(3) = 6*3 + 2 = 20
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Find the percent rate per annum at which $275 will double itself in 2 year​
pochemuha

Answer:

50%

Step-by-step explanation:

50/100 x 275 = 137.5

137.5 = 275

7 0
2 years ago
Jonathan drove 220 miles in four hours. Assuming he drives at the same rate, how far will you travel in seven hours?
Reptile [31]
1)you have to do 220miles multiplie by 7 divide by 4

OR

2)220miles divide by 4 multiplie by7

remaibders is the same thing ,the same answer
4 0
4 years ago
I'm so confused!!! Please help me. I will give brainliest! :)
OverLord2011 [107]

Answer:

1)x  is 8.5 y is 1.6 b) y= 7.8 x=6.8

Step-by-step explanation:

1) you have to times 3.4 by 2.5 because if you ties 2 b 2.5 is 5. Then you have to do the opposite for y, you have to divide 4 by 2.5.

b) 10.8 / 2 is 5.4 so 15.6/2 is 7.8. 3.4 * 2 is 6.8

I think its this.

6 0
3 years ago
If Marcos had 15 coins in nickels and quarters. He has three more quarters than nickels. Write a system of equations and solve t
Serhud [2]

Marcos has 6 nickels and 9 quarters

<em><u>Solution:</u></em>

Let "n" be the number of nickels

Let "q" be the number of quarters

<em><u>Marcos had 15 coins in nickels and quarters</u></em>

Therefore, we can say,

number of nickels + number of quarters = 15

n + q = 15 -------- eqn 1

<em><u>He has three more quarters than nickels</u></em>

Number of quarters = 3 + number of nickels

q = 3 + n -------- eqn 2

Eqn 1 and eqn 2 represents the system of equations

<em><u>Substitute eqn 2 in eqn 1</u></em>

n + 3 + n = 15

2n + 3 = 15

2n = 15 - 3

2n = 12

<h3>n = 6</h3>

<em><u>Substitute n = 6 in eqn 2</u></em>

q = 3 + 6

<h3>q = 9</h3>

Thus Marcos has 6 nickels and 9 quarters

8 0
3 years ago
The x-intercepts are at (-4,0) and (6,0) and the y-intercept is at (0,240)
SpyIntel [72]
What are you looking for?
8 0
3 years ago
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