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Yakvenalex [24]
3 years ago
14

Write an equation in which the quadratic expression 4x^2-26x+42 equals 0.

Mathematics
1 answer:
4vir4ik [10]3 years ago
3 0

Answer:

x1 =3 , x2= 3.5

Step-by-step explanation:

I just did a simple trinomal.

If you have any questions about the way I solved it, don't hesitate to ask :)

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A vendor at the State Fair has learned that, by pricing his deep fried bananas on a stick at $1.00, sales will reach 82 bananas
Tasya [4]

Answer:

Y=-40x+122

Step-by-step explanation:

hello

Due to the nature of the data, it is most convenient to model this problem as a linear function.

To solve this problem we must use the equation that defines a line, then start assigning the corresponding values

y1=82bananas per day

X1=1 dolar

y2=52bananas per day

x2=1.75dolar

line ecuation

y − y 1 = m(x − x 1 )

where

m=slope=\frac{y2-y1}{x2-x1} =\frac{52-82}{1.75-1}=-40

solving:

Y-82=-40(x-1)

Y=-40x+40+82

Y=-40x+122

let's try the result!

Price =1dolar

Y=-40(1)+122=82bananas per day

Price=1.75dolar

Y=-40(1.75)+122=52bananas per day

7 0
3 years ago
8 ( j - 4 ) = 2(4j - 16 )
Tanya [424]
8j-32=8j-32
J=j
Js value is infinite
7 0
3 years ago
Read 2 more answers
Which expression matches the words "the product of 12 and 4, then subtract 8
Rasek [7]
The answer is 8 because 12 plus 4 is 16, and then 16 minus 8 is 8
7 0
3 years ago
Help I don't get it can u explain it to me
kap26 [50]
You are given the masses of four planets.

Add them together, and then divide your sum by 4.

That will be the "average planet mass" for these 4 planets.

3 0
2 years ago
Twelve pounds less than twice janes weight is 270 pounds. What is Janes weight?
Tpy6a [65]
Janes weight = x
Twelve pounds less than twice janes weight is 270 pounds
12 less than 2x is 270 

2x -12 = 270   (add 12 to each side)
2x = 270 + 12
2x = 282   (divide 2 from each side)
x = 282/2
x = 141

The answer is 141 pounds
7 0
3 years ago
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