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suter [353]
3 years ago
15

Will give extra points if you get it right <3

Mathematics
1 answer:
Semmy [17]3 years ago
7 0

Answer:

17x² + 2x – 3

Step-by-step explanation:

(9x2 + 3x – 5) + (8x2 – x + 2) →

(9x² + 3x – 5) + (8x² – x + 2) →

[Group like terms]

(9x² + 8x²) + (3x – x) + (2 – 5) →

[Simplify]

17x² + 2x – 3

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Apply the distributive property and simplify <br> -6(x+2)=36
Delicious77 [7]

Answer:

-8

Step-by-step explanation:

-6(x+2)=36

-6x-12=36

-6x=48

x=-8

5 0
3 years ago
Triangle A has side lengths of 10 units, 24, units, and 26 units. Ryan cut out 2 copies of triangle A and joined them together t
sergejj [24]

Answer:

Perimeter of Rectangle will be 68 units.

Step-by-step explanation:

Given:

Length of side 1 = 10 units

Length of side 2 = 24 units

Length of side 3 = 26 units

Now we will check whether the triangle A is right angle triangle or not;

(Length of side 3)^{2} = 26^2 = 676

(Length of side 2)^{2} = 24^2 = 576

(Length of side 1)^{2} = 10^2 = 100

Now From above we can see that;

676 = 576 + 100

Hence we can say ;

(Length of side 3)^{2} = ](Length of side 2)^{2} + (Length of side 1)^{2}

By Converse of Pythagoras theorem.

"Hence When the square of the length of the hypotenuse is equal to sum of the square of other two sides we can say that triangle is a right angled triangle."

Now Given:

Ryan cut out 2 copies of triangle A and joined them together to form a rectangle.

So we can say that the hypotenuse side of the triangle will become diagonal of the rectangle and other two side will become length and width.

Now;

Length of rectangle = 24 units

Width of rectangle = 10 units.

We need to find the perimeter of rectangle.

Now Perimeter of rectangle is 2 times sum of Length and width.

framing in equation form we get;

Perimeter of rectangle = 2(l+w) = 2\times (24+10) = 2\times 34 =68 units.

Hence Perimeter of Rectangle will 68 units.

4 0
3 years ago
Which of the following is the equation of the quadratic function below?
mars1129 [50]
B. y=x+2x-2 is the correct quadratic function
7 0
3 years ago
Find an explicit formula for the arithmetic sequence -31,-27,-23,-19,...
Yuri [45]
First term (a) = -31

Common Difference (d) = -27 - (-31) = -27 + 31 = 4

nth term = a + (n - 1)d = -31 + (n - 1)4 = -31 + 4n - 4 = 4n - 35

Hence, the formula is 4n - 35.
6 0
3 years ago
Are these functions or not functions
mariarad [96]
A is a function because you have a different value for x.
B is not a function because you can't have the x value have a number twice, in this case it's 2.
C is not a function for the same reason as B.
D is a function because there is always a different x value.

Hope I didn't mess up for your sake
7 0
4 years ago
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