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3 years ago

5+(-2)+(-5)+(-3)+1+5=

Mathematics

1 answer:

zhannawk [14.2K]3 years ago

8 0

Answer:

Step-by-step explanation:

Step 1:

5 + ( - 2 ) + ( - 5 ) + ( - 3 ) + 1 + 5 Equation

Step 2:

5 - 2 - 5 - 3 + 1 + 5 Open parenthesis

Step 3:

5 - 10 + 1 + 5 Subtract

Step 4:

- 5 + 1 + 5 Subtract

Answer:

1 Add and Subtract

Hope This Helps :)

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In the diagram find the value of x

Alika [10]

Answer:

∠QRP=5x°

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x=18°

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3 years ago

Solve the inequality 9(x - 3) < 4(x + 10).

disa [49]

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3 years ago

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Which of the following are incorrect expressions for slope?

vfiekz [6]

Answer:

Option B and C are correct.

$\frac{x_2-x_1}{y_2-y_1}$

$\frac{run}{rise}$ are the expression incorrect for slope

Step-by-step explanation:

Slope is defined as the change in the dependent variable relative to the change in the dependent variable

or the ratio of the horizontal changes to vertical changes between any two points on the graph of the line.

The vertical changes between any two points is rise

The horizontal changes between any two points is run.

Formula for slope is given by:

For any two points $(x_1, y_1)$ and $(x_2, y_2)$

then slope is:

$\text{Slope} =\frac{rise}{run}= \frac{y_2-y_1}{x_2-x_1}$

or we can write this as:

Δy = $y_2-y_1$

Δx = $x_2-x_1$

⇒ $\text{Slope} = \frac{\triangle y}{\triangle x}$

Therefore, the expression which are incorrect for slope are;

$\frac{x_2-x_1}{y_2-y_1}$

$\frac{run}{rise}$

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3 years ago

Read 2 more answers

Please last one I promise I need help figuring this out I have been stuck on it for a while I will mark the person that gets the

galina1969 [7]

Answer:

Step-by-step explanation:

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3 years ago

One number is 6 more than twice another. If their sum is 51, find the numbers.

joja [24]

Answer:

y=2x+6 ; x+y=51

Step-by-step explanation:

assuming x is one number and y is the other -

one number (y) is 6 more (+6) than twice another (2x) -

using that knowledge we form an equation -

y=2x+6

the sum (x+y) is 51

using this knowledge we can make the equation -

x+y=51

now you have -

y=2x+6 or 2x-y=-6

x+y=51

using system of equations -

you add the equations -

3x=45

x=15

y=51-x => y=36

hope this helps!!

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3 years ago