What multiplies to -160 and adds to 6

Answers

Answer 1

Answer: Hello,
These 3 numbers have a product of -160 and a sum of 6

8,-1+√21 and -1-√21.

Answer 2

Answer: The answer: -10×16=-160, -10+16=6, so the numbers are (-10,16).

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Which two numbers add up to 5 and multiply to -45 ?

Answers

we have x+y=5
xy=-45
solve
x+y=5
subtract x from both sides
y=-x+5
subsiute -x+5 for y in second equaiton
x(-x+5)=-45
-x^2+5x=-45
add 2x^2-5x to both sides
0=x^2-5x-45
use quadratic equation which is
if you have 0=ax^2+bx+c then x= $\frac{-b+ \sqrt{b^(2)-4ac} }{2a}$ or $\frac{-b- \sqrt{b^(2)-4ac} }{2a}$
sbsitute
1x^2-5x-45
a=1
b=-5
c=-45
subsitute
$\frac{-(-5)+ \sqrt{-5^(2)-4(1)(-45)} }{2(1)}$
$(5+ √(25-(-180)) )/(2)$
$(5+ √(25+180) )/(2)$
$(5+ √(205) )/(2)$

or $\frac{5- \sqrt{} }{2}$ or aprox x=-4.65891 or 9.65891, so the 2 numbers would be those answers for x

If the statement if I'm hungry then I am not happy is assumed to be true is its inverse if I'm not hungry then I must be happy also always true ?

Answers

It is not always true. That is because your happiness does not necessarily correspond to your hungriness. An explanation, you might be unhappy while not being hungry, since unhappiness can also come from other sources.

Six nickels is what percent of one dollar? What percent of $2.00 would it be? Please help.

Answers

$6\ nickels=6*\ \$0.05=\$0.30\n\n(0.03)/(1)\cdot100\%=3\%\n\n6\ nickels\ is\ 3\%\ of\ \$1.\n\n(0.03)/(2)\cdot100\%=1.5\%\n\n6\ nickels\ is\ 1.5\%\ of\ \$2.$

the speedy fast ski resort has started to keep track of the number of skiers and snowboarders who bought season passes. the ratio of the number of skiers who bought season passes to the number of snowboarders who bought season passes is 1:2. if 1259 more snowboarders bought season passer than skiers, how many snowboarders ams how many skiers bought season passes?

Answers

1259 is half the number of snowboarders because of 1:2 ratio
From this we find that the number of snowboarders is double this and that 1259 is the number of skiers

5x + 6y = 50
-x + 6y = 26

Elimination

Answers

Multiply one of the equations by -1
5x+6y=50
-1(-x+6y=26) =x-6y=-26
Cancel out the 6y's add the rest
6x=24
X=4
Substitute x back into the original
-(4)+6y=26
-4+6y=26
6y=30
Y=5
Get the point (4,5)

5x+6y=50
-x+6y=26

Make the second problem and multiply everything by -1

5x+6y=50
-1(-x+6y=26)
X-6y=-26
Eliminate the y and combine evrything
6x=24
Divide 6 both sides
X=4
Then substitute the x
-(4)+6y=50
-4+6y=50
Add 4 both sides
6y=54
Divide 6 and y=9 x=4

1. Write a function rule for finding the amount of daily pay, p, in the following situation: A bus drivergets paid $100 each day plus $0.20 per kilometer, k. (1 point)
100 = 0.20 × k
p = 0.20 × 100 × k
p = 0.20k + 100
0.20k = 100 + p
Use the table below to answer the following question.
2. Do the values in the table represent a linear function? If so, what is the function rule?
(1 point)
The values do not show a linear function.
Yes, the values show a linear function: y = x + 4.
Yes, the values show a linear function: y = 2x + 2.
Yes, the values show a linear function: y = 2x.
Use the following graph to answer the question.
3. Write an equation for the line shown in the graph.
(1 point)2/20/2015 Writing Rules for Linear Functions
https://www.connexus.com/content/render.aspx?disableAssessment=true&printpreview=true&printpopup=true&idSection=504591&idCourse=31343&idWebus… 2/2
10 = 4x
y = 2x + 10
y = 10x – 2
y = –x + 10
Write a function rule for the total cost.
4. One frozen yogurt store sells frozen yogurt for $3.00 per cup and $1.25 per topping. Write a linear
equation to show the total cost of a cup of frozen yogurt. Then calculate the total price for one cup of
frozen yogurt with 4 toppings. (1 point)
y = 1.25x + 3; $5.00
y = 3x + 1.25; $13.25
y = 1.25x + 3; $8.00
y = 5x + 3; $8.00

Answers

1.
To figure out how much the bus driver gets paid everyday you will need this function.
P = 0.20K + 100

2.
the table:(x)(-2,0,2,4 (y)-4,0,4,8
The values in the table do represent a linear function.

Y = 2X

Plug in values from the table

-4 = 2(-2)
-4 = -4

3.
Connexus login?

4.
The equation that shows the total cost of a cup of frozen yogurt is Y = 1.25X + 3; $8.00.

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