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Aleks [24]
3 years ago
7

PLEASE HELP!

Mathematics
1 answer:
Vaselesa [24]3 years ago
6 0

14-15 years

14 yrs is 791

15 yrs is 831

it will double shortly after 14 years

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Solve the system of linear equations: 1/5 x + 1/8 y = 1 1/2 x − 1/3 y = 1
Alchen [17]

Answer:

x = 75 and y = -72

Step-by-step explanation:

It is given that,

1/5 x + 1/8 y = 1   ------(1)

1/2 x − 1/3 y = 1  -------(2)

<u>To find the solutions of the system of equations</u>

Step 1: eq(1) * 5 ⇒

x + 5/8y = 5  ----(3)

Step 2:  eq(2) * 2 ⇒

x - 2/3y = 2  -----(4)

Step 3: eq(3) - eq(4) ⇒

x + 5/8y = 5  ----(3)

<u>x - 2/3y = 2  -</u>----(4)

0 +(5/8 - 2/3)y = 3

 -1/24 y = 3

y = -24*3 = -72

Step 4: Substitute the value of y in eq(1)

1/5 x + 1/8 y = 1   ------(1)

1/5 x + 1/8 (-72) = 1   ------(1)

1/5 x  - 24 = 1

1/5 x = 25

x = 5*25 = 75

Therefor x = 75 and y = -72

4 0
3 years ago
Read 2 more answers
If f and g are continuous functions with f(0) = 2 and the following limit, find g(0). lim_(x-&gt;0)[2 f(x) - g(x)] = -3
ladessa [460]

We have by distributivity of limits over sums, and continuity of f(x) and g(x), that

\displaystyle \lim_{x\to0} \bigg(2f(x) - g(x)\bigg) = 2 \lim_{x\to0} f(x) - \lim_{x\to0} g(x) = 2 f(0) - g(0)

Given f(0)=2, it follows that

2^2 - g(0) = -3 \implies g(0) = \boxed{7}

5 0
2 years ago
Statement Reason<br> Check Answers
Soloha48 [4]

Answer:

Question?

Step-by-step explanation:

7 0
3 years ago
There ratio of boys to girls is 17:3 there are 740 people how many boys are there
julsineya [31]
Ratio of boys to girls= 17:3
number of people= 740

to find the number of boys out of 740 people, you have to add the ratio together and divide 740 by it. then multiply the answer by 17 because the ratio for boys is 17.

17+3=20

740÷20=37
37×17=629 

answer= 629 
 hope this helps....
 
8 0
4 years ago
Which equation models this problem?
KiRa [710]
$48.80/8.00 towels=$6.10
7 0
3 years ago
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