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Gnesinka [82]
3 years ago
10

4k-36 = 9k-44 what is k

Mathematics
1 answer:
Effectus [21]3 years ago
7 0

4k-36 = 9k-44

add 36 to both sides:

4k =9k-8

subtract 9k from each side

-5k=-8

k = -8 / -5 = 8/5

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The question is in the picture.
ruslelena [56]

Answer:

-8

Step-by-step explanation:

First, plug in the numbers to the equation:

-4(-1)^{0} 2

Any non-zero expression raised to the power of 0 equals 1:

(-4)(1)(2)

Multiply the numbers:

-8

Hope this helped!

7 0
3 years ago
Examine the following steps. Which do you think you might use to prove the identity Tangent (x) = StartFraction tangent (x) + ta
Over [174]

Answer:

The correct options are;

1) Write tan(x + y) as sin(x + y) over cos(x + y)

2) Use the sum identity for sine to rewrite the numerator

3) Use the sum identity for cosine to rewrite the denominator

4) Divide both the numerator and denominator by cos(x)·cos(y)

5) Simplify fractions by dividing out common factors or using the tangent quotient identity

Step-by-step explanation:

Given that the required identity is Tangent (x + y) = (tangent (x) + tangent (y))/(1 - tangent(x) × tangent (y)), we have;

tan(x + y) = sin(x + y)/(cos(x + y))

sin(x + y)/(cos(x + y)) = (Sin(x)·cos(y) + cos(x)·sin(y))/(cos(x)·cos(y) - sin(x)·sin(y))

(Sin(x)·cos(y) + cos(x)·sin(y))/(cos(x)·cos(y) - sin(x)·sin(y)) = (Sin(x)·cos(y) + cos(x)·sin(y))/(cos(x)·cos(y))/(cos(x)·cos(y) - sin(x)·sin(y))/(cos(x)·cos(y))

(Sin(x)·cos(y) + cos(x)·sin(y))/(cos(x)·cos(y))/(cos(x)·cos(y) - sin(x)·sin(y))/(cos(x)·cos(y)) = (tan(x) + tan(y))(1 - tan(x)·tan(y)

∴ tan(x + y) = (tan(x) + tan(y))(1 - tan(x)·tan(y)

6 0
3 years ago
Read 2 more answers
Rewrite 4 6/7 as an improper fraction.<br><br> sorry this is the correct question
goblinko [34]
The correct answer is, obviously, 34/7.
8 0
3 years ago
Read 2 more answers
Find the sales price of the following item. Choose the correct answer. A set of tableware listed at $53.98, marked down 50% $
anzhelika [568]
The original price was $107.96. You multiply 53.98 and 2 to get your answer
8 0
3 years ago
Read 2 more answers
Can someone plz help me ty
Ostrovityanka [42]

Answer:

8/15

Step-by-step explanation:

you first want to change your whole number, 4, into a fraction so all you have to do is add a 1 in the denominator so it will be 4/1

then you multiply across

2/15 * 4/1

you first multiply 2 and 4 and your answer will be 8 which is the numerator

then multiply 15 and 1 which is 15, the denominator

then you get

8/15

5 0
3 years ago
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