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Elan Coil [88]
3 years ago
8

Which graph represents an exponential function?

Mathematics
1 answer:
Maksim231197 [3]3 years ago
5 0

Answer:

A option

Step-by-step explanation:

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Factoring Trinomials
alexandr402 [8]
25 a² + 20 ab +  4 b²

for formula a^x+bx^ky^k+cy ^{2k } find  u,v such that: u.v = a

and u+v = b  then  group according to (ax ^{2k} +ux^ky^k)+(vx^ky^k+cy ^{2k} )

= (25a^2+10ab)+(10ab+4b^2)

factor out 5a from : 25a^2+10ab : 5a(2b+5a)

factor out 2b from : 10ab+4b^2: 2b(2b+5a)

= 5a(2b+5a) + 2b(2b+5a)

factor out : (5a+2b)

= (5a+2b)(5a+2b)

Refine:

(2b+5a)^2

hope this helps!.


3 0
3 years ago
Evaluate -4² please hurry
alexgriva [62]

squaring something multiplies it by itself. -4^2 = -4*-4 = 16

8 0
3 years ago
Read 2 more answers
What is the value of x
djyliett [7]

Check the picture below.

5 0
3 years ago
The measures of the angles in triangle ABC are in the ratio of 3 : 7 : 8. Determine the measure of each angle.
sergiy2304 [10]

Answer:

a:30 b:70 c:80

Step-by-step explanation:

triangle= 180*

3:7:8= 180*

7+3+8= 18

180/18= 10

a= 3x10= 30*

b=7x10= 70*

c=8x10= 80*

4 0
3 years ago
I need some help.I don't understand this question and i have tried to answer it mutiple times but i get it wrong.
miskamm [114]

Answer:

(5,-3)

Step-by-step explanation:

y+3 = 3x-15

y= -2x + 7

plulg y in

-2x+7+3 = 3x-15

combine like terms

-2x+10 = 3x-15

add 2x to both sides and add 15 to both

5x=25

x=5

y=-2(5) +  7

y= -10 + 7

y= -3

(5,-3)

6 0
2 years ago
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