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maxonik [38]
3 years ago
10

Evaluate xy - y if x=6 and y=-5​

Mathematics
1 answer:
Klio2033 [76]3 years ago
4 0

Answer:

-25

Step-by-step explanation:

xy - y

Replace 'x' with 6, and 'y' with -5:

6(-5)-(-5)\\\\-30+5\\\\\boxed{-25}

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Convert the decimal below into a rational number.
LekaFEV [45]
The answer is D.1/10
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2 years ago
Ms. Cruz has a tank with 11 fish. After buying two more, she has 2 less than triple the amount of fish Ms. Montesinos has. How m
exis [7]

Answer:

a) Write a let statement below to define your variable(s):

Let the number of fishes Ms. Montesinos has be represented by = f

b) Set up an equation using the variable you defined in (a):

The equation is :

3f - 2 = 13

c) Solve your equation & Check. How many fish does Ms. Montesinos have?

Ms. Montesinos has 5 fishes

Step-by-step explanation:

Ms. Cruz has a tank with 11 fish. After buying two more, she has 2 less than triple the amount of fish Ms. Montesinos has. How many fish does Ms. Montesinos have in her tank?

a) Write a let statement below to define your variable(s):

Let the number of fishes Ms. Montesinos has be represented by = f

b) Set up an equation using the variable you defined in (a):

We are told in the question:

Ms. Cruz has a tank with 11 fish. After buying two more, she has 2 less than triple the amount of fish Ms. Montesinos has.

Therefore,

3× f - 2 = 11 + 2

The equation is :

3f - 2 = 13

c) Solve your equation & Check. How many fish does Ms. Montesinos have?

Solving the above equation:

3f - 2 = 13

3f = 13 + 2

3f = 15

Divide both sides by 3

3f/3 = 15/3

f = 5

Hence, Ms. Montesinos has 5 fishes

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3 years ago
The correct Standard Form of the equation y=3/2x+3
DanielleElmas [232]

Answer:

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The length of a rectangle is 1 less than twice the width. Write the equation that could represent the area of the rectangle in t
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Answer:

(W2-1)xW

Step-by-step explanation:

The beginning of the equation represents the length as the question states it is one less than twice the width. Because you need to multiply width and length to get area, you place the length equation and parentheses and multiply the answer to the equation by the width :) Hope this helps!

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anzhelika [568]

Question:

Obtian the equation that can be used to solve for c

Answer:

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Step-by-step explanation:

A triangle showing the information given has been attached below for clarity :

Using trigonometry :

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AB = c = hypotenus

Using the sine relation of a right angled triangle :

Sin θ = opposite / hypotenus

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Sin50 = 3/c

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