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Lorico [155]
3 years ago
14

find two numbers if the second number equals 4 less than the square of the first number and their sum is 38.

Mathematics
1 answer:
BigorU [14]3 years ago
6 0
\sqrt{x} - 4 = 38

38 + 4 = 42

42^2 because the opposite of square root is exponent.
42^2 = 42 x 42 = 1764 = X

Check your work:
/sqrt{1764} - 4 = 38

/sqrt{1764} = 42

42 - 4 = 38

X = 1764

Hopefully this helps!
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A shopkeeper sells an article of 400, while he purchases it for 402. Find out loss percent of shop keeper​
Natalija [7]

Answer:

0.5%

Step-by-step explanation:

A shop keeper sells an article for 400

He purchases it for 402.

Therefore, loss = cost price - selling price

402 - 400 = 2

% loss =

loss/cost price x 100%

2/402 x 100%

= 200/402

=0.498

=0.5%

5 0
3 years ago
Jenna found a pair of sneaker that cost $64.She has a 15% off coupon. How much will she pay for the sneakers?(without Tax?)
S_A_V [24]
First, do 100-14 to find out how much percent doesn't get the coupon= 85
then find 85% of 64= 54.4
finally, your answer is: 54.4
3 0
3 years ago
How would you solve
harkovskaia [24]

4r^-3 * 2r^2 =

4*(2r^(-3+2))

= 4*2r^-1

= 4*2(1/r)

= 4*(2/r)

=8/r

4 0
3 years ago
What are 3 consecutive numbers that is the sum of -27.please be right.use odd numbers
qaws [65]
You're asking for three consecutive odd numbers, then
Let, the numbers = x, x+2, x+4

It is given that, x + x+2+ x+4 = -27
3x + 6 = -27
3x = -27 - 6
x = -33/3
x = -11
Then, x+2 = -9 & x+4 = -7

In short, Your Numbers would be: -7, -9,-11

Hope this helps!
6 0
3 years ago
13x−6y=22 x=y+6 ​ whats the answer
Vikentia [17]

Answer:

x = -2 y = -8

Step-by-step explanation:

13x - 6y = 22

x - y = 6

6(x-y) = 6*6

6x - 6y = 36

subtract both the equations

13x - 6x -6y + 6y = -14

7x = -14

x = -2

13*-2 -6y=22

-26 -6y=22

-6y = 48

y = -8

answer: x = -2  y = -8

4 0
3 years ago
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