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zlopas [31]
3 years ago
13

X to the 4th equals 81. What is x

Mathematics
2 answers:
Kazeer [188]3 years ago
8 0
X would be equal to 3.


maksim [4K]3 years ago
7 0
Its 3 because 3 to the fourth is 81
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According to the fundamental theorem of algebra, how many zeros does the polynomial below have?
Oxana [17]
It has 3 zeros, because its a polynomial of degree 3.
6 0
3 years ago
Read 2 more answers
−1/3 −(−1/2)<br><br> Brainliest for the right answer
lawyer [7]

The answer would be -1/6 or -0.166667

4 0
4 years ago
The average annual salary for a teacher nationally is $58,353. This is projected to increase 2% per year for the next 4 years. W
mario62 [17]

Answer:

\$63,163.16

Step-by-step explanation:

we know that

The equation of a exponential growth function is equal to

y=a(1+r)^x

where

y is the average annual salary

x is the number of years

r is the rate of change

a is the initial value

In this problem we have

a=58,353\\r=2\%=2/100=0.02

substitute

y=58,353(1+0.02)^x

y=58,353(1.02)^x

For x=4 years

y=58,353(1.02)^4=\$63,163.16

4 0
3 years ago
A reflection is a type of transformation in which a figure is: Flipped OR Turned
klasskru [66]

Answer:

flipped

Step-by-step explanation:

A reflection is a transformation representing a flip of a image. images can be reflected in a plane, line, and point. When reflecting a image/figure in a line or in a point, the image is congruent to the preimage. A reflection maps every point of a figure to an image across a fixed line.

6 0
3 years ago
At the movie theatre, child admission is $5.50 and adult admission is $8.90. On Friday four times as many adults tickets as chil
scoray [572]

Answer:

You can use grouping, quantity and value to solve this question.

Child admission = $5.50

Adult admission = $8.90

Friday sales (Quantity):

Child = x

Adult = 4x

Total sales = 5x

Friday sales (Value):

Child = $5.50

Adult = 4 × $8.90

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Total sales = $986.40

1 group = $5.50 + $35.60

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Number of groups = $986.40 ÷ $41.10

                               = 24

The number of child tickets sold is 24.

6 0
3 years ago
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