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melamori03 [73]
3 years ago
15

Someone help pls the topic is slope 10 points

Mathematics
2 answers:
Stels [109]3 years ago
8 0
Hiiiiiiiiiiiiiiiiiiiiii
QveST [7]3 years ago
7 0

Answer:

op

Step-by-step explanation:

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1) A rectangle has the lengths shown <br> Find the perimeter of the rectangle.
maks197457 [2]

Hi there! :)

\large\boxed{P = 32cm}

Find the perimeter by solving for y.

We know that a rectangle contains two pairs of parallel and congruent sides, therefore:

5y - 1 = 2y + 8

We can solve for y using this expression. Begin by subtracting 2y from both sides:

5y - 2y - 1 = 2y - 2y + 8

3y - 1 = 8

Add 1 to both sides:

3y - 1 + 1 = 8 + 1

3y = 9

Divide both sides by 3:

y = 3

Recall that the perimeter of a rectangle is:

P = 2l + 2w

Plug in the given expressions for the side lengths to find one equation:

P = 2(5y - 1) + 2(y - 1)

Simplify by distribution:

P = 10y - 2 + 2y - 2

Combine like terms:

P = 12y - 4

Plug in the solved value of y into this equation:

P = 12(3) - 4

P = 36 - 4

P = 32 cm.

3 0
3 years ago
What is the length of BC¯¯¯¯¯ ?
svlad2 [7]

Hello!


The length of side BC can be found by using the Law of Sines. This law states,

a / sin A = b / sin B = c / sin C.


Given:

Angle A = 51.2 degrees

Angle B = 60.3 degrees

Side AC (or B) = 21 cm

Side BC (or A) = ? cm


Let's plug in these values into the formula to find the missing side length.


a / sin (51.2) = 21 / sin (60.3)

a / sin (51.2) = 24.1759... (multiply both sides by sin(51.2)

a = 24.1759 · sin (51.2)

a = 18.841...


18.841 can be rounded to 19.


Therefore, the length of side BC is equal to 19 centimeters.

5 0
3 years ago
Correct simplification of 8x^2(5x + 2x^2 − 3)??
pantera1 [17]
<span><span>16<span>x^4</span></span>+<span>40<span>x^3</span></span></span>−<span>24<span>x^<span>2  
That is it</span></span></span>
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3 years ago
he end of a baseball game, the players were given the choice of having a bottle of water or a box of juice. Of all of the player
Mnenie [13.5K]

Answer:

12 is 3/4 of what number? You need to divide by the top and multiply by the bottom. 12 divided by 3 is 4, and 4 times 4 is 16.

6 0
3 years ago
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I neeed some help here!
BartSMP [9]
The answer is A because 5 x 3/8 and 15 x 1/8 both equal 15/8. 
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3 years ago
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