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3 years ago

Davon has only red tulips and white tulips in his garden. Three-fourths of his tulips are white. What is the

Mathematics

1 answer:

tankabanditka [31]3 years ago

7 0

Answer:

3:1

Step-by-step explanation:

Out of 4/4 tulips...

Davon has 3/4 white tulips.

Davon therefore has 1/4 red tulips.

3/4:1/4 is basically 3:1 (After dividing 1/4 by 3/4)

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A positive real number is 2 less than another. When 4 times the larger is added to the square of the smaller, the result is 49.

Kobotan [32]

Answer:

The numbers are

$-2+3\sqrt{5}$ and $3\sqrt{5}$

Step-by-step explanation:

Let

x -----> the smaller positive real number

y -----> the larger positive real number

we know that

A positive real number is 2 less than another

$x=y-2$

$y=x+2$ ----> equation A

When 4 times the larger is added to the square of the smaller, the result is 49

$4y+x^2=49$ ----> equation B

substitute equation A in equation B

$4(x+2)+x^2=49$

solve for x

$x^2+4x-41=0$

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^2+4x-41=0$

$a=1\\b=4\\c=-41$

substitute in the formula

$x=\frac{-4\pm\sqrt{4^{2}-4(1)(-41)}} {2(1)}$

$x=\frac{-4\pm\sqrt{180}} {2}$

$x=\frac{-4\pm6\sqrt{5}} {2}$

$x=-2\pm3\sqrt{5}$

The positive real number is

$x=-2+3\sqrt{5}$

Find the value of y

$y=x+2$

$y=-2+3\sqrt{5}+2$

$y=3\sqrt{5}$

6 0

4 years ago

To keep up with rising expenses, a motel manager

Tema [17]

<span>22% of $40 is $8.80 so the now rate should be $40.00+$8.80=$48.80</span>

6 0

3 years ago

Read 2 more answers

Help PLEASE ive been stuck on this forever!

AlekseyPX

Answer:

1/5

Step-by-step explanation:

2/10=1/5

4 0

3 years ago

Which of the following equations are equivalent to 2x(x - 2) = x? Select two that apply.

Verdich [7]

Answer: C 2x(x - 2) - x = 0

and <u>B</u> 2x² – 5x=0

Step-by-step explanation:

You get 2x(x - 2) - x = 0 by subtracting x from both sides of the original equation.

Then take 2x(x - 2) - x = 0 and distribute to get 2x² - 4x -x = 0

combine the x terma and you end up with 2x² – 5x=0

4 0

3 years ago

Eugene had 24$ to spend on three pencils. After buying them he had 18$. How much did each pencil coast?

Helga [31]

Each pencil costed $2.

7 0

3 years ago