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Helen [10]
2 years ago
12

HELP PLEASE

Mathematics
1 answer:
tigry1 [53]2 years ago
3 0
Area abc def cuase its 126-72+28=82 so abc def

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Gabriela drank three fourths of her glass of milk and jenny drank six eighths of her glass of milk if the glasses were the same
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just croos multi

Step-by-step explanation:

its very easy

4 0
3 years ago
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1) Write 4 ratios, using the scaling<br> down method, that are equivalent to<br> 48 to 60
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6 0
2 years ago
What value of b makes the trinomial below a perfect square x^2-bx+100
Aloiza [94]
1. Perfect square trinomials, are 2nd degree polynomials, of the form          a x^{2} +bx+c so that a \neq 0, b \neq 0, c \neq 0, which can be written as perfect squares.

2. For example (x+1) ^{2} = x^{2} +2x+1&#10; &#10;(3x-1)^{2}= (3x)^{2}-2(3x)+(-1) ^{2}= 9x^{2}-6x+1    &#10;

3. Thus x^{2} +2x+1, 9x^{2}-6x+1 are perfect square trinomials.

4. x^{2} -bx+100= x^{2} -bx+ 10^{2}= (x+10)^{2}   or  (x-10)^{2}

5. In the first case -b=20, so b=-20. In the second case, -b=-20, so b=20.

6. b∈{-20, 20}
6 0
3 years ago
PLEASE HELP! THANK YOU! :D
Ostrovityanka [42]
I think it’s C. Sorry if I’m incorrect
6 0
3 years ago
Read 2 more answers
Please help <br> what is 1 over 2 multiplied by negative 1 over 4 ?
marissa [1.9K]

(1/2)= .5

.5 x -1 = -.5

-.5/4 = -.125

OR

-(1/2)/4= -1/8

6 0
3 years ago
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