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padilas [110]
3 years ago
12

Find two numbers, if their sum is 93 and their difference is 9.

Mathematics
2 answers:
kati45 [8]3 years ago
8 0

Answer:

42 and 52

Step-by-step explanation:

ivolga24 [154]3 years ago
4 0

Answer:

51 and 42

Step-by-step explanation:

Use

x + y = 93

x - y = 9

Add those two equations together and you get 2x = 102

*y is not in the equation anymore because y + -y = 0*

Divide both sides by 2

x = 51

plug x into one of the equations; let's use x + y = 93

Then you get, 51 + y = 93

Subtract both sides by 51 and you get y = 42

Plug both in the other equation to make sure the numbers work.

51 + 42 = 93; true

51 - 42 = 9; true

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X = x

to solve, subtract both sides by x:

0 = 0

x is always equals to x so infinite solutions
8 0
3 years ago
Ms. White measured the number of the ounces of juice left behind by 3 students after breakfast. She plotted the data on the line
xxMikexx [17]

Answer: 7 3/4

Step-by-step explanation:

3 1/4 + 4 2/4 = 7 3/4

7 0
3 years ago
Explain why rational exponenets are not defined when the denominator of the exponent in lowest terms is even and the base is neg
Natali5045456 [20]

Answer:

The correct answer is:

we cannot take an even root of a negative number in the real number system.

Explanation:

A rational exponent is another way of writing a root. The denominator of the rational exponent will be the root, and the numerator will be the power of the number under the root. If the denominator is even, this means we are taking an even root, such as square root, 4th root, etc.

If the base is negative, this means we want an even root of a negative number.

Any even root can be broken down into a series of square roots, done one after another.

However, we cannot take the square root of a negative number using real numbers; this is because a square root is a number multiplied by itself to get the answer; a negative times a negative is a positive, as is a positive times a positive, so there is no way to multiply the same number twice and get a negative.

Read more on Brainly.com - brainly.com/question/2004951#readmore

Step-by-step explanation:

7 0
3 years ago
Please answer NO LINKS
777dan777 [17]

Answer:

try 2640 if thats not it then i did my math wrong

Step-by-step explanation:

3 0
3 years ago
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Solve:<br>3 = -2v - V<br>V=​
Y_Kistochka [10]

Answer:

V = −1

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3=−2v−v

3=−2v+−v

3=(−2v+−v)(Combine Like Terms)

3=−3v

3=−3v

Step 2: Flip the equation.

−3v=3

Step 3: Divide both sides by -3.

<u>−3v</u>  = <u>3</u>

-3     -3

v=−1

4 0
3 years ago
Read 2 more answers
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