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lidiya [134]
3 years ago
14

Please help !! (15 points)

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
6 0

Answer:

the answer is c

Step-by-step explanation:

I did this like last week

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PLEASE HELP!! Factor. 4x^2−49y^2
Zanzabum

Answer:

(2x-7y) (2x+7y)

Step-by-step explanation:

4x^2−49y^2

This is the difference of squares

a^2 - b^2 = (a-b) (a+b)

a^2 =4x^2   so a = 2x

b^2 = 49y^2  so b =7y

4x^2−49y^2 = (2x-7y) (2x+7y)

5 0
3 years ago
X - y = -2<br> 7x + 2y = -5<br> Solve using substitution method
bixtya [17]

Step-by-step explanation:

x=-2+y

7(-2+y)+2y=-5

-14+7y+2y=-5

9y=9

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4 0
3 years ago
11 / 16 = p + 4 / 12
butalik [34]

Answer:

p = 17/48 or 0.354

Step-by-step explanation:

11/16 = p + 4/12

subtract 4/12 from both sides

11/16 - 4/12 = p

convert so you have a common denominator

3(11/16) - 4(4/12)

33/48 - 16/48

= 17/48

p = 0.354

8 0
3 years ago
THINK IT"S "A"
ziro4ka [17]
Slope m= (y2-y1)/(x2-x1)=(8-0)/(2-(-2))=8/4=2

y=mx+b
y=2x+b
Take the point (-2,0)
0=2*(-2)+b
b=4
y=2x+4=2(x+2)

Answer is A. y=2(x+2)
7 0
3 years ago
What is the expected probability of obtaining a head when flipping a coin? What is the expected probabilityof obtaining a tail w
vampirchik [111]
Are those options in your question
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3 years ago
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