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ycow [4]
3 years ago
9

Convert into power notation -1/81​

Mathematics
1 answer:
anzhelika [568]3 years ago
4 0

Answer:

-1/9^2 is the power notation for your questions

Step-by-step explanations

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I need some help with geometry.
motikmotik

Answer:

x = 17, angle 1 and 2 = 45

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
I think of a number multiply by three add four I get 22. Using the statement above form an equation use the letter x for the unk
bogdanovich [222]

Answer:

x=6

Step-by-step explanation:

(x*3)+4=22

Subtracting 4 from both sides:

(x*3)=18

Dividing both sides by 3:

x=6

Hope this helps!

4 0
3 years ago
Im getting brain damage doing this question pls help
EastWind [94]

Answer:

See below and attachment

Step-by-step explanation:

<u>Given function:</u>

  • y = -2(x - 3)² + 4

<em>The graph is attached and the axis of symmetry and all the required points plotted </em>

a) Axis of symmetry:

  • x = 3

b) It has no minimum as the leading coefficient is negative.

  • Maximum value is at vertex- the point (3, 4).
  • Maximum value is y = 4

c) and d) x - and y - intercepts already given in the question

e) Domain is all real numbers. x = ( -∞, +∞ )

Range is y = ( - ∞, 4]

4 0
3 years ago
Graph 7/4 on the number line
MakcuM [25]

Answer:

Step-by-step explanation:

First you have to change your fraction:

Change 7/4 into a mixed number

7/4 = 1  3/4

Then you 'guestamate' about 3/4 of the distance between 1 and 2 and mark your point. Like this:

Hope this helps

3 0
3 years ago
Vivian is a salon owner. Yesterday she did 2 haircuts and colored the hair of 4 clients, charging a total of $422. Today, she di
harina [27]

Answer:

Haircuts cost $50.33

Hair Color costs $80.33

Step-by-step explanation:

Let haircut be cost "a"

coloring be cost "b"

2 haircut, 4 coloring equals 422, we can write:

2a + 4b = 422 {Equation 1}

5 haircut, 4 coloring, equals 573, we can write:

5a + 4b = 573 {Equation 2}

We now multiply equation 1 with -1 and add it with Equation 2 to get:

-1(2a + 4b = 422) = -2a - 4b = -422

Now,

-2a - 4b = -422

5a + 4b = 573

----------------------

3a = 151

a = 151/3 = $50.33

Now, to find b, we plug in this value into any equation and solve for b:

2a + 4b = 422

2(50.33) + 4b = 422

4b = 422 - 100.66

b = $80.33

Haircuts cost $50.33

Hair Color costs $80.33

4 0
3 years ago
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