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Taya2010 [7]
3 years ago
6

PLEASE HELP!!!!

Mathematics
1 answer:
dezoksy [38]3 years ago
8 0

Answer:

I beleive A is quadratic, but im not sure

Step-by-step explanation:

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Hannah has 8 over 9 of a pound of birdseed. She put 2 over 3 of a pound of birdseed into her bird feeders. How much birdseed doe
Reptile [31]
8/9 - 2/3 = 8/9 - 6/9 = 2/9 of a pound left

She  had 8/9 of a pound of birdseed to begin with.  She used 2/3 of a pound of birdseed into her feeders.  You have to get a common denominator, would be 9 and when you subtract what she used from what she had you get 2/9 of a pound of birdseed left.
8 0
3 years ago
observe as seguintes situações e sua representação em linguagem matematica dois numeros x e y são tais 2x y=6 x-y=3
agasfer [191]

Answer:

The value of x any y are "-5.29 and 0.79" and "3.79 and -2.29"

Step-by-step explanation:

Given values:

2xy =6.....(a)\\\\x-y= 3.....(b)\\\\

After solve equation (a) we get

\ equation: \\\\2xy= 6\\\\xy =\frac{6}{2} \\\\xy = 3.....(x)\\\\

After solve equation (b) we get

\ equation: \\\\x-y =3\\\\x= 3+y....(x1)\\

put the value of x in to equation (x)

(3+y)y = 3\\

y^2+3y-3=0\\\\\ compare \ the \ value \ with \ ay^2+by+c=0\\a= 1\\b=3\\c=-3\\\ Formula: \\y= \frac{-b\pm\sqrt{b^2-4ac}}{2a}\\y= \frac{-3\pm \sqrt{9+12}}{2}\\y= \frac{-3\pm \sqrt{21}}{2}\\

The value of y is = -5.29 and 0.79, put the value of y in x1 equation so, we get: 3.79 and -2.29

5 0
3 years ago
Rewrite the expression using the distributive property. 8(4x+6y-3z)
Umnica [9.8K]
All you need to do is distribute the 8 into each of the terms in the parenthesis.

Your equation will then become

32x + 48y - 24z
8 0
3 years ago
Read 2 more answers
How many whole numbers greater than 0 and less than 100 are divisible by 2? ​
Bess [88]

Answer: 49

Step-by-step explanation:

If it's less than 100, that means that you can't use the number 100 in the answer. From 0 - 100 there are 50 even numbers (divisible by 2), so that means that there would be 50 - 1 even numbers between 0 and 100 (not including 100). 50 - 1 = 49

:D

5 0
3 years ago
The sales-tax rate was 8%.Benito bought a model train for $8.29. How much was the tax on the train?
astraxan [27]
T= 8/100 × $8.29

t= $66.32/100

t= $0.66 rounded to the nearest penny
6 0
3 years ago
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