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Radda [10]
3 years ago
12

I need help thanks so much!!!! You dont have to do both.

Mathematics
2 answers:
Shalnov [3]3 years ago
5 0
1: Bettina's 60, and Melvina's 20.
2: 4.5 gallons
riadik2000 [5.3K]3 years ago
4 0
Number one: Bettina is 60 and Melvina is 20
Number two: 4.5 gallons because you would divide 70 by three then multiply it by 105
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1) 12 <br><br> 2) 10<br><br> 3) 8<br><br> 4) 6
Svetlanka [38]
The answer to this question has to be 8
4 0
3 years ago
Find the missing character (?)
4vir4ik [10]
The answer is 7, your welcome :).
6 0
3 years ago
Find the area of the polygon.
svetlana [45]
This is a trapezoid and the trapezoid formula is b1 plus b2/ 2 times height. 

17 plus 5 is 22. Divided by 2 is 11. 

Now, we have to multiply 11 by the height : 5. 

11 times 5 is 55 and that is your area. 55 units squared.
7 0
3 years ago
What is the equation of the points (-3,2) (2,-1) in standard form? 
Evgen [1.6K]
You can just plug in one of the points to each equation until you get an equality that is true.

I chose to use (-3,2)

1. 5x+3y=1
5(-3)+3(2)=1
(-15)+ 6 = 1
(-9) = 1 <<<(FALSE)

2. x+5y=3
(-3)+5(2)= 3
(-3)+10= 3
7=3 <<<(FALSE)

3. 3x+5y=1
3(-3) + 5(2)= 1
(-9)+10=1
1=1<<<(TRUE)

So, the correct equation is 3x+5y=1.

Make sense?
3 0
3 years ago
Create a polynomial with zeros: x = {-2,3}<br> I have no idea how to do this
aliya0001 [1]

Standard form of polynomial = ax² + bx + c

Zeros: x = {-2,3}

This gives the factors as, (x + 2) (x - 3)

On expanding this:

(x + 2) (x - 3)

x(x - 3) + 2(x - 3)

x² - 3x + 2x - 3

x² - x - 3

Polynomial = <em>x² - x - 3</em>

4 0
2 years ago
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