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3 years ago

How do you show 40 fewer than a number t?

1 answer:

7 0

To show the number 40 fewer or lesser thn "t", we write an expression like this: t-40. Because some one number fewer than another number. we perform subtraction. So, t-40 is the correct expression for the statement 40 fewer than a number t.

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Find the solution set (x,y,z) of the system: 3x-2y+4z=6 2y-3z=20 6z=12

gizmo_the_mogwai [7]

Answer:

The solution is x = 8, y = 13 and z = 2.

Step-by-step explanation:

We are given a system of equations with the variables x, y, and z from which we have to solve for x, y, and z.

The equations are

3x - 2y + 4z = 6 ........ (1)

2y - 3z = 20 .......... (2)

6z = 12 ......... (3)

Now, from equation (3), we get z = 2.

Now, putting z = 2 in equation (2) we get

2y = 20 + 6 = 26

⇒ y = 13

Now, from equation (1), putting y = 13 and z = 2, we get

3x = 6 - (4 × 2) + (2 × 13) = 24

⇒ x = 8

So the solution is x = 8, y = 13 and z = 2. (Answer)

4 0

3 years ago

F(x) = x2 – X – 1 Over which interval does f have an average rate of change of zero?

Alex73 [517]

Answer:

the answer is -1<x<2

8 0

3 years ago

What equation can be used to show that the slope of the line is the same between any two points?

Blizzard [7]

If you think about slopes it will always be rise over run! Think of rise as climbing a mountain and run as in walking on the mountain you just climbed. In order to find an equation of any problem, you first need to look at a graph for your first clue. See if the line goes straight through the corners of certain places on the graph. If so than you just count rise over run!
In conclusion my thesis or solution for your question would be C.

4 0

3 years ago

NEED HELP FAST PLEASE 3 Fair number cubes with sides number 1 through 6 were tossed in the air was the probability that all thre

lina2011 [118]

∗ There are 3 even numbers, and 3 odd on a 6 sided cube.
∗ 3/6 of them are even.
∗ 3/6 reduces to 1/2
∗ 1/2 • 1/2 • 1/2 = 1/8

⋆ The probability is 1/8 ⋆

♡´･ᴗ･`♡вяαιиℓιєѕт ρℓєαѕє♡´･ᴗ･`♡

3 0

4 years ago

Молю :с

katrin [286]

Answer:

1) -5.25

2) -1.21525

Step-by-step explanation:

Я действительно не знаю, как это объяснить, мой друг сделал это. Я знаю английский, и это из Google Translate

3 0

3 years ago