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2 years ago

I REALLY NEED HELP!!!

Mathematics

1 answer:

Darya [45]2 years ago

5 0

Answer:

see below

Step-by-step explanation:

Each reflection is along a line through the other focus of the conic. The two foci of the parabola are the one shown and the one at infinity (the source of light rays).

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How to factor 4x^2+7x-15

GuDViN [60]

$4x^2+7x-15$

Break the expression into group:

$(4x^2+5x)+(12x-15)$

factor out x from 4x² - 5x : x (4x-5)
factor out 3 from 12x-15 : 3 (4x-5)

$=x(4x-5)+3(4x-5)$

factor out common term (4x-5) :

$= (4x-5)(x+3)$

hope this helps!

4 0

2 years ago

What is the measure of EFG in 0 0 below?

const2013 [10]

Answer:

C. 300

Step-by-step explanation:

EFG and EG is the total distance around the circle

EFG + EG = 360 degrees

EFG + 60 = 360

Subtract 60 from each side

EFG +60-60 = 360-60

EFG = 300

5 0

2 years ago

Read 2 more answers

Identify the property being illustrated:<br><br> (12 + 5) + 21 = 12 + (5 + 21

ad-work [718]

Associative property

8 0

3 years ago

What is the area of the triangle?<br> 6 yd.<br> 2 yd.

liq [111]

Answer:

12 yd.

Step-by-step explanation:

6 0

2 years ago

1. 1/8 + 5/6 =?

Ivan

1)Find the lcd for 1/8+5/6
=2/24+5*4/24
since the denominators are equal, combine the fractions
=3+4*5/24
=23/24

2)Convert the mixed numbers to improper
=15/8*17/5
=255/40
=51/8
=6 3/8

3)1/9 divided by 3
1/3*9
=1/27

4) 2 3/5* 2 6/35
13/5*76/35
13*76/175
988/175
=5 113/175

4 0

2 years ago