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Gwar [14]
3 years ago
9

Select all the equivalent to a^2/a^9 assume a doesnt equal 0

Mathematics
2 answers:
Lesechka [4]3 years ago
8 0

Answer:

It's only 2 answers NOT 3. It's A (1). A ^ -7 AND C (3). 1 / A ^ 7

Alenkinab [10]3 years ago
6 0
a ^ 2 / a ^ 9
 For this case what you should do is use the power properties to write the expression in different ways.
 Three different ways to write the expression are:
 Way 1:
 a ^ 2 / a ^ 9 = a ^ (2-9) = a ^ (- 7) = 1 / a ^ 7
 1 / a ^ 7
 Way 2:
 a ^ 2 / a ^ 9 = a ^ (2-9) = a ^ (- 7)
 a ^ (- 7)
 Way 3:
 a ^ 2 / a ^ 9 = a ^ 2 * a ^ (- 9)
 a ^ 2 * a ^ (- 9)
 Answer:
 
all the equivalent to a ^ 2 / a ^ 9 are:
 
1 / a ^ 7
 
a ^ (- 7)
 
a ^ 2 * a ^ (- 9)
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Help<br><br><br> I really need help pls
Helga [31]

Answer

Mandisa uses more balloon per animal.

Amira and Mandisa made the same amount of balloon animals.

Explanation

Mandisa uses 5 balloons per animal.

You can find this out by putting the difference between two of the y values (output, dependent variable, in this case balloons) over the difference between two of the x values (input, independent variable, in this case animals). Let's take 225 and 125 from the y value and 20 and 40 from the x value. Mandisa uses 225-125=100 balloons per 40-20=20 animals. Mandisa uses 5 balloons per animal. 5 is more than 4 (how many balloons Amira uses for each animal), so Mandisa uses more balloons per animal.

Amira and Mandisa made the same amount of balloon animals.

Now you can divide the number of balloons they had at the beginning by the number of balloons per animal to find out how many animals each person made. Amira started with 260 balloons and used 4 balloons for each animal. Amira made 260/4=65 animals.

If Mandisa used 100 balloons to make 20 animals, she would have had 225+100=325 balloons at the beginning. Mandisa made 325/5=65 animals.

5 0
3 years ago
1. SAT Math scores in recent years have had means around 490 and standard deviations
tatiyna

Answer:

´The variance is 10000

Step-by-step explanation:

The variance is defined as the square of standard deviation, consequently it is as follows:

σ^2=100^{2}

σ^2=10000

3 0
3 years ago
What is n less than 7?
Georgia [21]

n less than 7, is represented as this:

n>7

Step-by-step explanation:

You just need to think about what the question is, if it's less than, you use the > symbol to prove one variable is smaller than the other.

i hope this helps!

8 0
3 years ago
Read 2 more answers
The two containers are mathematically similar in shape. The larger container has a volume of 3456cm3 and a surface area of 1024c
grin007 [14]

Answer:

1458/3456 = 27/64 (simplification)

cube root of 27/64 = 3/4

square of 3/4 = 9/16

9/16 multplied by 1024 = 576.

THIS IS THE REAL WORKING AND ANSWER

Pls mark me brainliest

4 0
3 years ago
The angles of a triangle are described as follows: angle a is the largest angle; it measure is twice the measure of Angle b. The
nikklg [1K]

Answer:

Angle A = 102°

Angle B = 51°

Angle C = 27°

Step-by-step explanation:

angle A = 2b

angle B = b

angle C = 1/3 b + 10

Angle A + Angle B + Angle C = 180

2b + b + 1/3 b + 10 = 180

3 1/3 b + 10 = 180

10/3 b = 170

b = 51

a = 2b = 102

c = 1/3 b + 10 = 1/3 (51) + 10 = 17 + 10 = 27

4 0
3 years ago
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