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3 years ago

What is the correct answer?

Mathematics

2 answers:

Zigmanuir [339]3 years ago

4 0

Answer:D

$6/ 8 bottles = $0.75 per bottle for Sunny’s

$11/ 15 bottles = $0.7333 per bottle for Shruti’s

Step-by-step explanation:

ASHA 777 [7]3 years ago

3 0

Answer:

Find the number of dollars per kind of water. Then try multiplying the dollar amount per one water by 8 and 15 depends on water. If you need help try finding helpful videos or ask your parents.

Step-by-step explanation:

If you just get an answer and not understand how you got it, then you won't be able to it later and it will get worse and worse.

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Verify that the roots of 5x²- 6x -2 = 0 are <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%20%2B%20%5Csqrt%7B19%7D%20%7D%7B5%7D%2

Mice21 [21]

Answer:

Proof below.

Step-by-step explanation:

Quadratic Formula

$x=\dfrac{-b \pm \sqrt{b^2-4ac} }{2a}\quad\textsf{when }\:ax^2+bx+c=0$

Given quadratic equation:

$5x^2-6x-2=0$

Define the variables:

a = 5
b = -6
c = -2

Substitute the defined variables into the quadratic formula and solve for x:

$\implies x=\dfrac{-(-6) \pm \sqrt{(-6)^2-4(5)(-2)}}{2(5)}$

$\implies x=\dfrac{6 \pm \sqrt{36+40}}{10}$

$\implies x=\dfrac{6 \pm \sqrt{76}}{10}$

$\implies x=\dfrac{6 \pm \sqrt{4 \cdot 19}}{10}$

$\implies x=\dfrac{6 \pm \sqrt{4}\sqrt{19}}{10}$

$\implies x=\dfrac{6 \pm2\sqrt{19}}{10}$

$\implies x=\dfrac{3 \pm \sqrt{19}}{5}$

Therefore, the exact solutions to the given quadratic equation are:

$x=\dfrac{3 + \sqrt{19}}{5} \:\textsf{ and }\:x=\dfrac{3 - \sqrt{19}}{5}$

Learn more about the quadratic formula here:

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3 0

2 years ago

Read 2 more answers

The Pythagorean theorem can only be used with witch type of triangle

HACTEHA [7]

Answer:

Right Triangles

Step-by-step explanation:

3 0

3 years ago

Shakeela is planning to buy a pair of pants that have an original price of $51. The pants are on sale for 50% off and the sales

Mila [183]

Answer:

C) $25 + $1.25

Step-by-step explanation:

1. 51 x .5 = 25.5

2. 25.5 x .05 = 1.275

25 + 1.25 ≈ 25.5 + 1.28

6 0

4 years ago

I don't know how to do this, I wasn't paying attention in class

solmaris [256]

Answer:

39.837168574084177751131265854635

Step-by-step explanation:

If you plug it into a calculator, you get that.

Next time, please pay attention in class and save us all a little trouble.

7 0

3 years ago

PLEASE HURRY!!

Sedaia [141]

Just a moment while I review this

6 0

3 years ago