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Vika [28.1K]
4 years ago
13

Please help!! What is the value of the following expression when x=3 and y= -2?

Mathematics
2 answers:
Tom [10]4 years ago
8 0
The answer is 20 because when substituted it become 12+8 and when you add that's how you get 20
Katena32 [7]4 years ago
5 0

Answer:

20 is the answer.

Step-by-step explanation:

Substitute 3 in for x and -2 in for y.

4(3) - (-2 to the third power)

12 - -8 = 12 + 8

The answer is 20

Please mark brainliest as that would really help out :3

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(Easy 40 points) Ok so basically Jodi built a sandbox and needs to know if she bought enough sand if it will fill. You must iden
lidiya [134]

Answer:

The answer is 36 cubic feet of sand

Step-by-step explanation:

Jodi did 6(5)/2, but she should not have divided 6(5) by 2. Instead, she should have done 6(5)(1.2) to find the volume of the sandbox. The answer is 36 cubic feet of sand...friend Discord.

6 0
3 years ago
Uhhh-
Step2247 [10]

Step-by-step explanation:

y = mx + c, where m is the slope of the line and c is the y-intercept.

We have y = 3x - 4 as line L.

Slope of line L = 3

=> Slope of line L2 = -1/3

We have y = -1/3 x + c as our line L2 equation.

When x = 9, y = 5.

=> (5) = -1/3 * (9) + c

=> 5 = c - 3, c = 8

Hence the answer is y = -1/3 x + 8.

8 0
3 years ago
Subtract the fractions. Write each difference in simplest form. <br><br><br><br> 8/9 - 5/6 =
Stolb23 [73]

Answer:

1/18

Step-by-step explanation:

Change the denominators to 18 to make like denonminators (make sure to multiply the top)

(16/18 - 15/18)

1/18

5 0
3 years ago
Read 2 more answers
Whats the answer to x^3 y^0 z^-2
Elina [12.6K]

Answer:

\frac{x^3}{z^2}

Step-by-step explanation:

There are no given values, therefore we can't determine a definite answer. However, we are able to simplify the expression.

As we all know that any variable or number to the power of 0 is equal to 1. This means that y^0 = 1.

We also know that a negative power can bring the variable down and make it a fraction. This means that z^-^2=\frac{1}{z^2}

Now that we got these two sorted we are able to write it in a simplified form.

Answer: \frac{x^3}{z^2}

5 0
3 years ago
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
MAVERICK [17]
The answer is 18.2% I believe.

3 0
4 years ago
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