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il63 [147K]
3 years ago
10

Write the expression without using exponents (-2y)^4

Mathematics
2 answers:
JulsSmile [24]3 years ago
5 0

Answer:

16yyyy

Step-by-step explanation:

Getting rid of exponents:

  • (-2y)^4 =
  • (-2)^4*y^4 =
  • 16yyyy
Anna [14]3 years ago
5 0

Step-by-step explanation:

(-2y)^4

= (-2) ^4 ( y) ^4

= (16) (yyyy)

= 16yyyy

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prohojiy [21]
Because it is made to balance like that.
5 0
3 years ago
Please help me !!!!!! I need help
kvv77 [185]

Answer:

  y +8 = -4(x -8)

Step-by-step explanation:

You recognize that the given equation is in slope-intercept form:

  y = mx + b

with m = 1/4 and b = 5.

A perpendicular line will have a slope that is the negative reciprocal of this value of m, so the desired slope is ...

  -1/m = -1/(1/4) = -4

The point-slope form of the equation for a line is ...

  y -k = m(x -h) . . . . . for slope m through point (h, k)

Using m=-4 and (h, k) = (8, -8), the point-slope form of the equation for the line you want is ...

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3 0
3 years ago
Casey is six times as old as Ralph. In two years, she will be four times as old as Ralph. How old is each of them now?
lisov135 [29]

Ralph is 3 years old

Casey is 18 years old

Step-by-step explanation:

Let the age of Ralph be x

Then Casey is 6 times as old as Ralph will be 6x

In two years

Ralph =x+2

Casey=6x+2 ⇒ 4(x+2)

Equate the two equations for Casey as

6x+2 = 4x+8

6x-4x=8-2

2x=6

x=6/2= 3

Current age;

Ralph= x= 3 years old

Casey=6x = 6*3= 18 years

Learn More

Forming expressions and solving equations;brainly.com/question/1280754

Keywords :six, times, years

#LearnwithBrainly

4 0
3 years ago
What is the value of the expression below when y= 8 and z= 9?
g100num [7]

Answer:

27

Step-by-step explanation:

5y-2z

1.plug in

5(8)-2(9)

2.solve

5(8)=45

3.solve

2(9)=18

4.subtract

45-18=27

___________________________

answered by aurinda

hope it helps:)

____________________________

4 0
3 years ago
3x + 2y = 8. isolate y....... whats the answer ?
MatroZZZ [7]
<span>3x + 2y = 8

2y = 8 - 3x

y = (8 - 3x)/2</span>
6 0
3 years ago
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