PLEASE ANSWER!! I WILL GIVE POINTS AND BRAINLYIST!!

Mathematics

1 answer:

Ratling [72]3 years ago

7 0

Answer:

Here is a graph I created.

For Miguel to spend the least amount of money, he would have to buy 2 gallons for $5.98 and two 1/2 gallons for $4.20. The total is $10.18.

I'm stuck on the next question though.

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Which Two Numbers Add Up To Negative 26 And Multiply To 11?

Fynjy0 [20]

Xy=11
x+y=-26

x+y=-26
minus x both sides
y=-26-x

sub for y
x(-26-x)=11
-26x-x^2=11
add 26x+x^2 both sides
x^2+26x+11=0

ax^2+bx+c=0
x= $\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}$

a=1
b=26
c=11

x= $\frac{-26+/-\sqrt{26^{2}-4(1)(11)} }{2(1)}$
x= $\frac{-26+/-\sqrt{676-44} }{2}$
x= $\frac{-26+/-\sqrt{632} }{2}$
x= $\frac{-26+/-2\sqrt{158} }{2}$
x= $-13+/-\sqrt{158}$

x= $-13+\sqrt{158}$ or $-13-\sqrt{158}$

aprox

x=-0.420195 or -25.5698

those are the numbers

5 0

3 years ago

10 over 15 in simplest form

77julia77 [94]

The answer is 2/3

10 / 5 = 2
15 / 5 = 3
= 2/3

7 0

2 years ago

Read 2 more answers

What is the graph of x=-5

asambeis [7]

x = a - is a vertical line, where a is any real number

x = -5 - the vertical line passes through any points in the form (-5, y). Where y is any real number.