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3 years ago

Why is 1.25 simplified to 5/4?

Mathematics

2 answers:

Alexeev081 [22]3 years ago

6 0

Answer:

because 1/4 = .25 and 1/4 x 5 = 5/4 and .25 x 5 = 1.25

Step-by-step explanation:

frutty [35]3 years ago

5 0

Answer:

1.25 is simplified to 5/4 because 5 divided by 4 is 1.25

Step-by-step explanation:

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Answer:

ASA

Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

What are the coordinates of the x-intercepts of the parabola y = x² - 8x + 15?

tamaranim1 [39]

Answer:

(3, 0) and (5, 0)

Step-by-step explanation:

we have

$y=x^{2}-8x+15$

we know that

The x-intercepts are the values of x when the value of y is equal to zero

For y=0

$x^{2}-8x+15=0$

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

$x^{2}-8x+15=0$

$a=1\\b=-8\\c=15$

substitute in the formula

$x=\frac{-(-8)\pm\sqrt{-8^{2}-4(1)(15)}} {2(1)}$

$x=\frac{8\pm\sqrt{4}} {2}$

$x=\frac{8\pm2} {2}$

$x=\frac{8+2} {2}=5$

$x=\frac{8-2} {2}=3$

x=3, x=5

therefore

The x-intercepts are (3,0) and (5,0)

4 0

3 years ago

Help i did the first part and id.k the rest.....

34kurt

Answer:

w=6x+1.25

Step-by-step explanation:

6 0

3 years ago

Help please i guess?

liubo4ka [24]

Answer:

It is the left one.

Step-by-step explanation:

This (<) symbol shows us which number is bigger. In this case, 4.626 is larger than 4.606, so we put this "<"

5 0

3 years ago

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