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4 years ago

Answer this please!

Mathematics

1 answer:

sashaice [31]4 years ago

8 0

It is definitely going to be one of the last two. Let me figure it out

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3x + 12 = -6x - 9 and

Marianna [84]

Answer:

1. x = - 7/3 = - 2 1/3

2. x = -2

Step-by-step explanation:

Hi there !

3x + 12 = - 6x - 9

3x + 6x = - 12 - 9

9x = - 21

x = - 21⁽³/9

x = - 7/3

x = - 2 1/3

12x + 20 = 2x

12x - 2x = - 20

10x = - 20

x = - 20/10

x = - 2

Good luck !

5 0

3 years ago

Daniel is training for a marathon. Last week Daniel ran 3.5 miles in 30 minutes. This week he ran 8 miles in 1 hour 15minutes. C

Fantom [35]

Oii mate it Daniel hope this helps

3 0

3 years ago

Complete the data table for the function f(x) = -x - 2 + 2.

alexgriva [62]

Given the following function:

$\text{ f(x) = }\sqrt[]{-x\text{ -2}}\text{ + 2}$

y = f(x)

Therefore, let's complete the data table by substituting each x-values to be able to get the respective y-values,

We get,

At x = -2,

$\text{ y = f(x) = }\sqrt[]{-x-2}\text{ + 2}$ $\text{f(-2) = }\sqrt[]{-(-2)-2}\text{ + 2}$ $\text{ = }\sqrt[]{2\text{ - 2}}\text{ + 2}$ $\text{ = }\sqrt[]{0}\text{ + 2}$ $\text{ y = f(-2) = 2}$

Therefore, y = 2 at x = -2.

At x = -3,

$\text{ y = f(x) = }\sqrt[]{-x-2}\text{ + 2}$ $\text{f(-3) = }\sqrt[]{-(-3)-2}\text{ + 2}$ $\text{= }\sqrt[]{3-2}\text{ + 2}$ $\text{= }\sqrt[]{1}\text{ + 2}$ $\text{= }1\text{ + 2}$ $\text{ f(-3) = 3}$

Therefore, y = 3 at x = -3.

At x = -6,

8 0

1 year ago

How o find the lcm. if its 453 and 609

mixas84 [53]

Answer:

The least common multiple of 453 and 609 is 54201

Step-by-step explanation:

8 0

4 years ago

Buddy the Elf is going to the North Pole. Each ticket on the Polar Express costs $20. Find the range if Buddy wants to take up t

Nadusha1986 [10]

Answer:

$120

Step-by-step explanation:

6*20=120 cost

3 0

3 years ago