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NARA [144]
2 years ago
12

3(x + y) + 2x2 + (1 + y)?

Mathematics
2 answers:
stiks02 [169]2 years ago
6 0

Answer:

7x+4y+1

Don’t low if you wanted it simplified

irina [24]2 years ago
4 0

Answer:

3x + 4y + 5

Step-by-step explanation:

3(x + y) + 2 • 2 + (1 + y)

3x + 3y + 2 • 2 + (1 + y)

3x + 4y + 4 + 1

3x + 4y + 5

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What is the value of the digit 5 in the number 6,582.37 times the value of the digit 5 in 1,284.95
Romashka-Z-Leto [24]
Answer:

25

Explanation:

In the first number 5 has a value of 500 and on the second one 5 has a value of 0.05 so 500 x 0.05 = 25
5 0
3 years ago
Please help with factoring these x²-11x+18
lozanna [386]

We want to factor x²-11x+18

In order to factor it, we must find two numbers that add to -11 and multiply to 18.

We will go through the list of factors of 18:

1, 2, 3, 6, 9, 18

We see that 9 and 2 multiply to 18. But we want two numbers that add to -11, so we will simply put a negative sign in front of 9 and 2.

-9 and -2 still multiply to 18 and they add to -11, so now we can factor the expression:

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6 0
3 years ago
Read 2 more answers
How do I know if the function is a linear function?
Lilit [14]

Answer:

This is not a linear function.

Step-by-step explanation:

It is a quadratic function.  If you were to make a table of the x and y values of the function it would look like this:

x    y

0   -4

1   -1

2    8

Just by looking at these three values, we can see that they do not increase at a consistent rate.  It increases by 3 from 0 to 1, but increase by 9 from 1 to 2.  You can tell if a function is linear by seeing if it increases at a constant rate.  (In this case it does not)

3 0
3 years ago
Find the value of the expression:<br> x(x-y)-y(y^2-x) for x=4 and y=2
svet-max [94.6K]

Replacing x by 4 and y by 2, it is found that the value of the expression is of 8.

The expression given is:

x(x - y) - y(y^2 - x)

We want to evaluate it for x=4 and y=2, hence, we replace x by 4 and y by 2, then:

4(4 - 2) - 2(2^2 - 4) = 4(2) - 2(0) = 8

The value of the expression is of 8.

A similar problem, in which the objective is finding the value of an expression, is given at brainly.com/question/19548262

4 0
2 years ago
I need your help for 5 assignments I give 30 points !! +Brainliest
Lilit [14]
The correct answers are 1. C, 2. C, 3. D, 4. D, 5. D
7 0
3 years ago
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