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prohojiy [21]
3 years ago
5

Find the perimeter of the right triangle.

Mathematics
2 answers:
Contact [7]3 years ago
3 0

Answer:

b. 36

Step-by-step explanation:

You have to use Pythagorean theorem. A squared + b squared = c squared.

a=12    12^2 (12 squared)= 144

b=9      9^2 (9 squared)= 81

144+81=225

Then you find the square root of 225 which is 15. Since you have the length for side c.

12+9+15=36

n200080 [17]3 years ago
3 0

Answer:


Step-by-step explanation

You would first have to find the hypotenuse to do that you would follow the formula c = √a²+b², giving you 15.

Next you would add all the sides P = a+b+c, giving you 36.

The perimeter of this triangle would be 36.

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A baby gains 11 pounds in its first year of life. The baby gained 4 1/4 pounds during the first four months and 3 1/2 pounds in
Ede4ka [16]

Answer:

3.25 pounds

Step-by-step explanation:

x + 4 (1/2) + 3 (1/2) = 11

x + 4.25 + 3.5 = 11

x + 7.75 = 11

x = 11 - 7.75

x = 3.25 pounds

8 0
3 years ago
PQRS is a parallelogram. If mQRS = (9x - 20)° and
ivolga24 [154]

Answer:

x = 8.5

Step-by-step explanation:

In this question, we are to calculate the value of x.

To calculate this, we shall be utilizing one of the important properties of parallelogram.

This property is that opposite angles of a parallelogram are equal.

This means that mQSR = mSPQ = 4x + 90

Now to finally calculate x, we make use of another important parallelogram property which is that angles of parallelogram which faces each other are supplementary.

This means that they add up to be 180

Since mQSR faces mQRS

This means that;

4x + 90 + 9x -20 = 180

13x + 70 = 180

13x = 110

x = 110/13 which is approximately 8.5

8 0
3 years ago
The local newspaper has letters to the editor from 80 people. If this number represents ​5% of all of the​ newspaper's readers,
Bad White [126]

Answer:

1600 readers

Step-by-step explanation:

80*100=8000

5*n=5n

8000/5=1600

n=1600

7 0
3 years ago
what is the image of the point (4,-8) after a rotation of 270 degrees counterclockwise about the orgin
marysya [2.9K]

Answer:

(-8,-4)

Step-by-step explanation:

(y,-x)

8 0
3 years ago
Solve 2x - 11 greater than or equal to 5
ololo11 [35]
2x - 11 >_ 5
To solve for x, we need to get 2x by itself and then simplify.

Add 11 to both sides.

2x >_ 16

Divide both sides by 2 to get x.

x >_ 8 is your solution.

I hope this helps!
5 0
3 years ago
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