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Elan Coil [88]
3 years ago
10

Solve.........4 - 5k = -8 - 5k

Mathematics
1 answer:
Pepsi [2]3 years ago
3 0

Answer:

There is no solution for this equation. :)

Please mark as brainliest!! :)

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Rewrite the expression without using grouping symbol 7(x - 20)
Kitty [74]
7 (x - 20)

use distribution method

7x - 140
6 0
3 years ago
Calculate the slope of a line that passes through the points (6, -12) and (15, -3).
Stells [14]

Answer:

B. 1

Step-by-step explanation:

The slope is calculated by taking the difference in the y-coordinates of two points and dividing that by the difference in the x-coordinates of those two points.

Here, we have (6, -12) and (15, -3).

The difference in the y-coordinates is:

15 - 6 = 9

The difference in the x-coordinates is:

-3 - (-12) = -3 + 12 = 9

Divide 9 by 9:

9/9 = 1

The slope is thus 1, and the answer is B.

3 0
3 years ago
Read 2 more answers
525 + ( -525.50) = 0
strojnjashka [21]

Answer:

This is true because the + and the - will turn into a negative, therefore it will stay zero

Step-by-step explanation:

+ (-x) = -x, NOT +x

7 0
4 years ago
Please help me define the variables and write out each equation. TY!
juin [17]

Answer:

The equations are:

10x + 9y = 122

x + y       = 13

Step-by-step explanation:

Given Jose makes 10$ per hour washing cars and 9$ per hour walking dogs.

Also, it is given that he had worked for 13 hours total making 122$.

Let us assume the number of hours he spent on washing cars = 'x'.

Let us assume the number of hours he spent on walking dogs = 'y'.

Since, the total number of hours is 13, we can write:

x + y = 13           . . . eqn(1)

And since he has made 122$ in total, we will have:

10x + 9y = 122  . . .eqn(2)

'10x' represents the total money earned by washing cars and '9y' represents the total hours spent on walking dogs.

Hence, Eqn (1) and Eqn(2) is the answer.

Solving them will give: x = 5 and b = 8.

6 0
3 years ago
How do i express x^2-3x into the form of (x-m)^2+n. I will give brainliest to correct answer
mel-nik [20]

Step-by-step explanation:

let's simply do the multiplications and then compare with the original.

(x-m)² + n

right ?

or is it

{(x - m)}^{2 + n}

let's go for the first.

x² - 2mx + m² + n = x² - 3x

-2mx + m² + n = -3x

fun there we see two things :

-2m = -3

m = 3/2

and

m² + n = 0

(3/2)² = -n

9/4 = -n

n = -9/4

so our transformed expression looks like

(x - 3/2)² - 9/4

7 0
3 years ago
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