3 years ago

Will give brainliest please help ASAP

1 answer:

8 0

The inequality sign is greater than or equal to, which means the line would be solid and the shaded portion would be to the right of the line.

The correct graph would be A.

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Tara solved the following problem by doing the work shown. Which property did she use?

alexira [117]

The answer is associative property of multiplication

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3 years ago

Read 2 more answers

Someone help on math thxuuu

eduard

Answer:

a and b

Step-by-step explanation:

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2 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)

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3 years ago

A migrating bird flies 312 miles in 13 hours. How many miles does it fly in 5 hours?

irinina [24]

The answer is 120 miles , because it is a proportion

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3 years ago

Solution of these two sums please I need it ASAP please please.<br>I'll mark as brainliest please

VARVARA [1.3K]

a)-260

b)92

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8 0

2 years ago