3 years ago

Find the product of (x+3) (x+3)

Mathematics

1 answer:

MA_775_DIABLO [31]3 years ago

7 0

Answer:

$x^{2} + 9x$

Step-by-step explanation:

(x+3)(x+3)

distribute the x to both three and x.

x * x + 3x * 3x

add like terms.

X^2 + 9x

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What is the distance between A(-8, 4) and B(4, -1)?

Anettt [7]

Answer:

The distance between A(-8, 4) and B(4, -1) is 13 units.

Step-by-step explanation:

To find the distance between any two points, we can use the distance formula given by:

$\displaystyle d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2$

We have the two points A(-8, 4) and B(4, -1). Let A(-8, 4) be (<em>x₁, y₁</em>) and let B(4, -1) be (<em>x₂, y₂</em>). Substitute:

$d=\sqrt{(4-(-8))^2+(-1-4)^2}$

Evaluate:

$d=\sqrt{(12)^2+(-5)^2}$

So:

$d=\sqrt{144+25}=\sqrt{169}=13\text{ units}$

The distance between A(-8, 4) and B(4, -1) is 13 units.

7 0

3 years ago

Read 2 more answers

What does x equal to in the equation −7x>10

natita [175]

Answer:

Step-by-step explanation:

hello :

−7x>10

multiply by : -1 : 7x < -10

x< -10/7

5 0

3 years ago

-(-8n+3.9)

nataly862011 [7]

Answer:

8n - 3.9

Step-by-step explanation:

Given

- (- 8n + 3.9 ) ← multiply each term in the parenthesis by - 1

= 8n - 3.9

4 0

3 years ago

On a pleasant Monday, the Dow-Jones Industrial average closed at 11,315. On Wednesday, it closed down twice as many points as it

kirza4 [7]

I think it lose 1533 points

6 0

4 years ago

Each marble bag sold by Yolanda's Marble Company contains 8 orange marbles for every 5 yellow marbles.

Stells [14]

Answer:

64.

Step-by-step explanation:

By proportion to number of orange marbles = (40 / 5) * 8

= 320 / 5

= 64 .

7 0

3 years ago