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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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Write an equation for the translation of x^2 + y^2 = 49 by 7 units right and 4 units up
Tatiana [17]

Answer:

(x - 7)² + (y - 4)² = 49

Step-by-step explanation:

Given

Equation: x² + y² = 49

Required:

New Equation when translated 7 units right and 4 units up

Taking it one step at a time.

When the equation is translated 7 units right, this implies a negative unit along the x axis.

The equation becomes

(x - 7)² + y² = 49

When the equation is translated 4 units up, this implies a negative unit along the y axis.

(x - 7)² + (y - 4)² = 49

The expression can be further simplified but it's best left in the form of

(x - 7)² + (y - 4)² = 49

8 0
3 years ago
Question 10 of 20
Rina8888 [55]
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3 years ago
Erik drives 19.2 miles in 16 minutes.
Kipish [7]
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7 0
3 years ago
What is the solution for the system of equations?
Arte-miy333 [17]
The solution is at what point the two lines intersect.
Plug y into the other equation to get: 5x-4(5-3x)=-3
Multiply it out: 5x+12x-20=-3
Combine like terms and add 20 to both sides: 17x=17
Divide both sides by 17: x=1
Now plug the x value back into any equation to get the y value.
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8 0
3 years ago
N+5/16=-1<br><br> Solve for n<br><br><br> I will reward Brainliest
Wittaler [7]

Answer:

Step-by-step explanation:

+

5

1

6

=

−

1

n+\frac{5}{16}=-1

n+165​=−1

Solve

1

Subtract

5

1

6

\frac{5}{16}

165​

from both sides of the equation

+

5

1

6

=

−

1

n+\frac{5}{16}=-1

n+165​=−1

+

5

1

6

−

5

1

6

=

−

1

−

5

1

6

n+\frac{5}{16}{\color{#c92786}{-\frac{5}{16}}}=-1{\color{#c92786}{-\frac{5}{16}}}

n+165​−165​=−1−165​

2

Simplify

Solution

=

−

2

1

3 0
3 years ago
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