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sammy [17]
3 years ago
10

Simplify the Expression

Mathematics
1 answer:
Drupady [299]3 years ago
6 0
11a^3-4a^2-14a-7 is the correct answer :)
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Find the slope of the line passing through the points of (3,-5) and (-9,-6)
slavikrds [6]

Answer:

1

m = ---

12

Step-by-step explanation:

The formula is y2-y1

---------

x2-x1

(x1,y1) (x2,y2)

(3,-5) (-9,-6)

You get the 2 Y's and subtract them

Do the same with the X's

Y's above , X's below

(y2- y1)

⬇

-6-(-5) -1 1

--------- = ---- = ---- = m

-9-(3) -12 12

⬆

(×2- x1)

This equation is backwards, thats why it was harder to understand. (-9,-6) is farther left and below point (3,-5), making it the REAL first point in the equation.

5 0
3 years ago
Can the ratio of a parent's age to his or her child's age ever be exactly 10 : 9 ?
slega [8]
Mathematically, yes.
Realistically, no.
The difference in their ages is the parent's age when the child was born.
Let's say that the youngest possible is 12.
Then the ratio would be 10:9 when the parent is 120 and the child is 108.
Not likely.
3 0
3 years ago
Read 2 more answers
Abigail's rectangular flower garden has a width of 4 1/4feet and an area of 12 3/4 square feet.
tresset_1 [31]

Answer:

3 feet long

Step-by-step explanation:

4 1/4x3=12 3/4

6 0
3 years ago
One gallon of paint covers 400 square feet. What is the least amount of paint needed to paint the walls of a room in the shape o
Gnom [1K]

Answer:

1.8 gallons would be used.

Step-by-step explanation:

TOTAL AREA TO BE PAINTED:

     2 x 10 x 20  +   2 x10x 16 = 720 ft2

720 ft2 / 400 ft2 /gal = 1.8 gal  

7 0
2 years ago
Trapezoid ABCD has the following coordinates-A (2, 8), B (6, 8), C (8, 3), and D (1, 3). What are the coordinates of trapezoid A
Novay_Z [31]

Answer: A' ( -1,4) , B' (-4,4), C'(  -5 ,-1), D'( -1,-5)

Im not 100% sure its correct, its hard without an image or a picture of the problem

Step-by-step explanation:

5 0
2 years ago
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