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ki77a [65]
3 years ago
14

Preston and horation have 49 video games total. Horation has 11 more than preston. How many games does each person have?

Mathematics
1 answer:
Makovka662 [10]3 years ago
4 0
Preston has 19 games and Horation has 30.
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Select the correct expressions.
olchik [2.2K]

Answer:

A linear algebraic equation is nice and simple, containing only constants and variables to the first degree (no exponents or fancy stuff). To solve it, simply use multiplication, division, addition, and subtraction when necessary to isolate the variable and solve for "x". Here's how you do it: 4x + 16 = 25 -3x =

5 0
3 years ago
If the ratio of y to x is equal to 3 and the sum of y and x is 80, what is value of y
Rus_ich [418]

Answer:

y = 60

Step-by-step explanation:

<h3>Step 1: Make sense of the given</h3>

"The ratio of y to x is 3"

This means that, y\div x=3

"The sum of y and x is 80"

This means,  x+y=80

<h3>Step 2: Make use of the facts</h3>

If y\div x=3, then y = (3*x).

We can plug this into the other equation by substitution:

x + (3 * x)=80

This simplifies to:

4x = 80

Which we can solve out and get:
x=20.

<h3>Step 3: Plug and Chug</h3>

We solved for x, but we need the value of y.

So, we go back to the equation we first derived: "y = (3*x)".

And now we substitute the value of x, into this.

y = (3 * (20))

By solving this out, we get:
y=60

So, the value of y is 60.

3 0
2 years ago
(x 2 + 2x - 1)(x 2 + 2x + 5) find product
tankabanditka [31]

Answer:

x^4+4x^3+8x^2+8x-5

Step-by-step explanation:

7 0
3 years ago
Lydia has money in two savings accounts. One rate is 7% and the other is 13%. If she has $300 more in the 13% account and the to
11111nata11111 [884]

Answer:

  • 7%: $1065
  • 13%: $1365

Step-by-step explanation:

If x represents the amount invested at 7%, then the amount invested at 13% is x+300. Lydia's total interest is ...

  0.07x +0.13(x +300) = 252

  0.20x = 213 . . . . . subtract 39

  x = 213/0.20 = 1065

Lydia has $1065 invested at 7% and $1365 invested at 13%.

4 0
3 years ago
Nicole runs 6 miles in 44 minutes. At the same rate, how many minutes would she take to run 9 miles?
HACTEHA [7]
66 minutes is the correct answer
6 0
2 years ago
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