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Oksi-84 [34.3K]
3 years ago
6

How do you simplify this equation?

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
6 0

we need to simplify the given expression (\frac{3x^-1}{4y^-1} )^-2.

we know that (\frac{a^p}{b^q} )^n=\frac{a^pn}{b^qn}.

so here a and b is 3x and 4y .

p and q is -1.

where n is -2 .

so (\frac{3x^-1}{4y^-1} )^-2=\frac{3x^2}{4y^2}.

we have simplified the following expression.

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Identify the coefficient in the expression 7y + 8.
Anit [1.1K]

Answer:

7

Step-by-step explanation:

hope this helps! :D

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5 0
3 years ago
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The graph of a proportional relationship passes through the points (18,9)(18,9) and (6,y)(6,y). Find y
lana66690 [7]
The answer to your question is Y= 3 because 18/3 = 6 and 9/3 = 3 so Y=3


3 0
3 years ago
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Stewart is making banana pudding for a family reunion. Her recipe uses 1.5 bananas per dish of pudding. If one dish of pudding c
Rina8888 [55]

Answer: She will need about 15 bananas to feed 250 people that will be at the reunion.

Step-by-step explanation:

Let be "x" the number of  bananas Stewart will need to feed 250 people that will be at the reunion.

According to the infomation provided in the exercise, we know that she needs 1.5 bananas per dish of pudding and one dish of pudding can feed 25 people.

Knowing this, we can set up the following proportion:

\frac{1.5}{25}=\frac{x}{250}

Finally, we must solve for "x":

(250)(\frac{1.5}{25})=x\\\\x=15

Therefore, she will need about 15 bananas to feed 250 people that will be at the reunion.

3 0
4 years ago
Determine the values of a for which the following system of linear equations has no solutions, a unique solution, or infinitely
navik [9.2K]

Answer:

Never

Never

Never

Step-by-step explanation:

The equations given are

2x1−6x2−4x3 = 6 ....... (1)

−x1+ax2+4x3 = −1 ........(2)

2x1−5x2−2x3 = 9 ..........(3)

the values of a for which the system of linear equations has no solutions

Let first add equation 1 and 2. Also equation 2 and 3. This will result to

X1 + (a X2 - 6X2) - 0 = 5

And

X1 + (aX2-5X2) + 2X3 = 8

Since X2 and X3 can't be cancelled out, we conclude that the value of a is never.

a unique solution,

Let first add equation 1 and 2. Also equation 2 and 3. This will result to

X1 + (a X2 - 6X2) - 0 = 5

And

X1 + (aX2-5X2) + 2X3 = 8

The value of a = never

infinitely many solutions. 

Divide equation 1 by 2 we will get

X1 - 3X2 - 2X3 =3

Add the above equation with equation 3. This will result to

3X1 - 8X2 - 4X3 = 12

Everything ought to be the same. Since they're not.

Value of a = never.

4 0
4 years ago
This is confusing, i need help​
QveST [7]

Answer:

Step-by-step explanation:

2. SV ║TU

3. SV ≅TU  

7. corresponding sides of congruent Δ are congruent

8. quadrilaterals that have one set of opposite sides ║ and ≅ are parallelograms

3 0
4 years ago
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