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stiv31 [10]
2 years ago
14

HELP PLS! I CAN’T FAIL PRE-ALGEBRA!

Mathematics
1 answer:
Liono4ka [1.6K]2 years ago
8 0

Answer:

Q1.  2 - 5/ 8 - 0 = -3/8

Q2.  1- (-1)/6-2 = 2/4 simplified as 1/2

Q3.  (-5)- (-2)/ (-1)- (-3) = -3/2

Use a ruler to help you graph a line whose slope is 1/3. Label this line “a”

*Answer- 1/3 is being shown for rise/run (Rise over Run, 1 being rise and 3 being run). this means that you go up one and right 3.

Step-by-step explanation:

y2-y1 *over* x2- x1. Also if you can simplify the end fraction do it but if not then leav it as it is. This is the equation that I used for the first 3 problems. Also I didnt quit understand the 1st word problem sorry! I hope this helps :v

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What is 3/10 in two other forms? Write each fraction in its simplest form.
shepuryov [24]

3/10

Decimal: 0.3

Percentage: 30%

8 0
4 years ago
I need help :((((((((
Colt1911 [192]

An equation has an infinite number of solutions if the left and right sides are identical. Let's simplify them both and then decide the value of ?.

Left hand side:

5(x-4)+? = 5x - 20 + ?

Right hand side:

1+12x-21 = 12x-20

So, both sides have a numeric part of -20. We can use the "?" value to make sure that the literal part is the same as well. So, we want

5x+? = 12x \iff ? = 12x-5x = 7x

5 0
3 years ago
How do u simplify 5x^2-8x-12 subracted from -4x^2+2x-8
Nady [450]

Answer:

- 9x² + 10x + 4

Step-by-step explanation:

Calculate the subtraction as

- 4x² + 2x - 8 - (5x² - 8x - 12 ) ← distribute parenthesis by - 1

= - 4x² + 2x - 8 - 5x² + 8x + 12 ← collect like terms

= - 9x² + 10x + 4

7 0
3 years ago
Find the slope of the line passing through the points and ( -6, -5 ) and (4, 4)
Andrew [12]

Answer:

Slope: 9/10

Step-by-step explanation:

We need to find the slope of the line that passes through the coordinates given.

To find the slope, we would use the slope formula: m = y2-y1/x2-x1

Plug in your coordinates and solve:

m = 4-(-5)/4-(-6)

m = 4+5/4+6

m = 9/10

Since we can't simplify further, the slope of the line would be 9/10.

8 0
3 years ago
What is the equation of this line?
astraxan [27]
Y=3/4x-3 because none of the others make sense
6 0
3 years ago
Read 2 more answers
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