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Serggg [28]
3 years ago
9

Find the value of two numbers if their sum is 124 and their difference is 16

Mathematics
1 answer:
Paraphin [41]3 years ago
6 0
The answer is 8 and 4
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PLEASE HELP ME I NEED HELP ASAP!!!! PLEASE HELP ON A AND B
valina [46]

Answer:

<h2>a) x = 16 and y = 6</h2><h2>b) P = 864 in</h2>

Step-by-step explanation:

a)

The opposite sides of the rectangle are of equal length.

Therefore we have the system of equations:

\left\{\begin{array}{ccc}3y=2+x&\text{subtract 2 from both sides}\\3x=2+x+5y&\text{subtract x from both sides}\end{array}\right\\\\\left\{\begin{array}{ccc}3y-2=x&(*)\\2x=2+5y&(**)\end{array}\right

Substitute from (*) to (**):

2(3y-2)=2+5y\qquad\text{use distributive property}\\\\(2)(3y)+(2)(-2)=2+5y\\\\6y-4=2+5y\qquad\text{add 4 to both sides}\\\\6y=6+5y\qquad\text{subtract 5y from both sides}\\\\\boxed{y=6}

Put the value of y to (*):

x=3(6)-2\\\\x=18-2\\\\\boxed{x=16}

b)

Calculate the width and the length:

3x = 3(16) = 48\\\\3y = 3(6) = 18

The perimeter:

P = 2w + 2l\\\\P = (48)(18)=864\ in

8 0
3 years ago
What is the same as 3/5 and 4/7
kkurt [141]

Answer:

These are all the same questions with one answer. 0.6 is greater than 0.571. Therefore, 3/5 is greater than 4/7 and the answer to the question "Is 3/5 greater than 4/7?" is yes.

Step-by-step explanation:

6 0
3 years ago
Im normally good at alg ish but im confused
n200080 [17]

Answer:

The problem is telling you to find g ( f ( x ) )

Since we know that f(x) is square root of x, we can put the function this way.

g(√x)

Then, we use  √x as our x in our g(x) function.

You plug in  √x for x and you solve.

(√x ) ^2 is just x.

Finally the answer is

x-3

hope this helps :)

Step-by-step explanation:

5 0
2 years ago
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Hoochie [10]

Step-by-step explanation:

Re write your question....

It isnt understandable

8 0
3 years ago
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