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serg [7]
1 year ago
9

This is 8th grade math on khan academy, correct answers only ty- 7 points have a gud day folks

Mathematics
2 answers:
nika2105 [10]1 year ago
4 0

Answer:

The correct answer is 9^2

Step-by-step explanation:

9 is the base and 7-5=2. so n=2.

blsea [12.9K]1 year ago
3 0
<h3>Answer:</h3>

9² or 9^2

<h3>Step-by-step explanation:</h3>

Because the base is the same on the top and the bottom which is "9", you would either add or subtract the top and bottom exponent based on the arithmetic symbol used.

Because the arithmetic symbol division sign is used, you subtract the top exponent by the bottom giving you the answer nine to the power of two.

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What is the equation of the line that is parallel to the line 5x + 2y = 12 and passes through the point (-2, 4)?
Korolek [52]

Answer:

y=-5/2x-1

Step-by-step explanation:

first find the gradient whereas since the two lines are parallel they hav the same gradient. y=mx+c whereas m is the gradient. 5x+2y=12

2y=-5x+12

y=-5/2x+12(so the gradient is -5/2x..... <u>g</u><u>r</u><u>a</u><u>d</u><u>i</u><u>e</u><u>n</u><u>t</u><u>=</u><u>-</u><u>5</u><u>/</u><u>2</u>

<u>y</u><u>-</u><u>4</u>=-5/2

x+2

y-4=-5/2(x+2)

y-4=-5/2x-5

y=-5/2x-5+4

y=-5/2x-1

6 0
3 years ago
Apply the distributive property to factor out the greatest common factor. 18d+12 =18d+12=18, d, plus, 12, equals
kobusy [5.1K]

Answer:

\huge\boxed{6 ( 3d + 2 )}

Step-by-step explanation:

18d + 12

The greatest common factor is 6, So we need to factor out 6

=> 6 ( 3d + 2 ) [Distributive property has been applied and this is the simplest form]

6 0
3 years ago
Read 2 more answers
The florida manatee population is 3,000 and is decreasing by 11% each year. Write a function for this situation.
True [87]

Answer:

P=3000(0.89)^t

Step-by-step explanation:

It was given that, florida manatee population is 3,000 and is decreasing by 11% each year.

We want to write a function for this situation.

Since the population is decreasing annually, it is modelled by:

P=P_0(1-r\%)^t

We substitute the give initial population and rate of decrease to get:

P=3000(1-0.11)^t

This simplifies to:

P=3000(0.89)^t

5 0
3 years ago
Read 2 more answers
HEEEEEELP PLLLEEEEEEEZZZZZZ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
stellarik [79]

C is correct,

A is wrong as it halves both the angles and lengths by two which is the same as what she did in the first place so it cannot be correct.

B is also wrong for a similar reason, a triangle cannot have less than 180 degrees, which is impossible as the angles just change naturally which is why all triangles must have 180 degrees, which is the reason she is wrong in the first place.

And D is just incorrect, if she wanted to have shorter sides she should have only decreased all the lengths as it the the ratio of angles that determine the shape of a triangle while the sum of all angles is 180 degrees.

7 0
3 years ago
Read 2 more answers
Question 3 &lt; &gt; In a particular class of 33 students, 18 are men. What fraction of the students in the class are women?​
Juli2301 [7.4K]

Answer:

Your answer is 15 Women

Step-by-step explanation:

33-18= 15

8 0
2 years ago
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