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2 years ago

I NEED HELP.... IM TIMED!!! PLS SHOW WORK!!! +10 POINTS

Mathematics

1 answer:

Savatey [412]2 years ago

4 0

Answer:

x=-17

Step-by-step explanation:

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For all values of x. which expression is equivalent to (3x + 2) + 2(3x +2)

iris [78.8K]

Answer:

9x+6

Step-by-step explanation:

(3x+2)+2(3x+2)

3x+2+6x+4

9x+6

3 0

3 years ago

in a bag of keys there are 15 silver keys six black keys 11 copper keys and two painted keys of various colors. one key is drawn

Setler79 [48]

Answer:

The best thing to do here is to put each of these into fractions, with the total (31) as the denominator.

14/31= silver

6/31= black

8/31= copper

3/31= various colours.

As you're looking for the keys that are silver or copper, you've got to add the two denominators together, which gives you 14+8= 22.

This cannot be simplified further, therefore, the probability of choosing either a silver or copper key is 22/31.

Hope this answer helps you :)

Have a great day

Mark brainliest

7 0

3 years ago

On a coordinate plane, point A is at (3, 3) and point B is at (negative 3, 3). Point B is the image of point A when A is rotated

Vladimir [108]

Answer:

Point B must be at the same distance from the the origin as point A.

Step-by-step explanation:

Coordinates of point A = (3, 3)

When point A is rotated 90° counterclockwise around the origin, coordinates of the new point B will be (-3, 3)

Distance from origin to point A = $\sqrt{(3)^{2}+(3)^2}=3\sqrt{2}$

Similarly, distance of point B from the origin = $\sqrt{(3)^{2}+(3)^2}=3\sqrt{2}$

Therefore, distances of both the points from the origin are same.

Point B must be at the same distance from the the origin as point A.

7 0

3 years ago

5 times 395 using properties of operations

DochEvi [55]

Hello there!

Answer: ⇒⇒=1975

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Step-by-step explanation:

First you had to multiply by the number.

$395*5=1975$

1975 is the right answer.

___________________________________________________________

Hope this helps!

Thank you for posting your question at here on brainly.

Have a great day!

-Charlie

______________________________________________________________

6 0

3 years ago

Go step by step to reduce the radical. The square root of 96

lakkis [162]

Answer:

Step-by-step explanation:

We want to reduce the radical. In order to do that, we want to find the factors of 96 that are square numbers

The factors of 96 are:

$1, 96, 2, 48, 3, 32, 4, 24, 6, 16...$

16 is a square number, so we can rewrite

$\sqrt{96} = \sqrt{16*6} = \sqrt{16} * \sqrt{6} = 4\sqrt{6}$

5 0

2 years ago