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raketka [301]
2 years ago
6

You put the names of all the students in your class in a paper bag. There are 19 boys and 12 girls. If you draw a name at random

, what is P(boy’s name)?
Mathematics
2 answers:
Rom4ik [11]2 years ago
3 0

Answer:

19 to 12 is the answer

Step-by-step explanation:


kkurt [141]2 years ago
3 0

There are 19 boys, and 19+12=31 total number of students, therefore, the probability you are asking for is P=19/31.

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If the top of a 4.50 m ladder reaches twice as far up a vertical wall as the foot of the
STALIN [3.7K]

Answer:

4 m.

Step-by-step explanation:

Length of ladder, L = 4.50 m

Base of ladder from the wall, B = x

Height of the wall, H = 2x

Using Pythagoras theorem

L^2 = B^2 + H^2

4.5^2 = x^2 + (2x)^2

5x^2 = 4.5^2

x = 2\ m\ (approx.)

Height of the wall  is equal to 2 x 2 = 4 m.

6 0
3 years ago
A plot of land is in the shape of a triangle. If one side is x meters, a second side (5x−3) meters, and a third side is ​( 7x −
liubo4ka [24]

Given, the plot is in the shape of triangle.

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Second side = ( 5x-3 )meters

Third side = ( 7x-6 ) meters

Perimeter of triangle is equal to the sum of all the three sides.

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Perimeter = 13x - 9 feet ... Answer


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3 years ago
9. For a play at the local high school, the adult
Juli2301 [7.4K]

Answer:

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4 0
3 years ago
Simplify an expression for the perimeter of the rectangle. Please Helpp
lorasvet [3.4K]
Answer:
16x+16

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2) Distributive property and multiply
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2 years ago
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artcher [175]

Answer:

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Given

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7 0
3 years ago
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