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LUCKY_DIMON [66]

3 years ago

14

In a bag, there are three red marbles, four blue marbles, two yellow marbles and three black marbles. What is the probability of

drawing a blue marble?

1 answer:

charle [14.2K]3 years ago

3 0

Answer:

3/12 chance

Step-by-step explanation:

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Virty [35]

Answer:

the first 1

Step-by-step explanation:

8 0

3 years ago

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Find the midpoint of (1-k,-4) (2,k+1)

satela [25.4K]

The midpoint is k-3/ 1-k

8 0

4 years ago

In a primary school class, the ratio of boys to girls is 3:4. If there are 12 girls in the class, what is the total number of st

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7 0

3 years ago

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In TVW if VW is three meters longer than TV, TW is 20 meters shorter than the sum of VW and TV, and the perimeter of TVW is 74 m

Artyom0805 [142]

Answer:

The length of VW is $25\ m$

Step-by-step explanation:

we know that

The perimeter of triangle TVW is equal to

$P=VW+TV+TW$

we have

$P=74\ m$

so

$74=VW+TV+TW$ -----> equation A

$VW=TV+3$ ----> equation B

$TW=(VW+TV)-20$ ----> equation C

substitute equation B in equation C

$TW=(TV+3+TV)-20$

$TW=2TV-17$ ----> equation D

substitute equation B and equation D in equation A

$74=(TV+3)+TV+(2TV-17)$

solve for TV

$74=4TV-14$

$4TV=74+14$

$4TV=88$

$TV=22\ m$

Find the value of VW

$VW=TV+3$ -----> $VW=22+3=25\ m$

Find the value of TW

$TW=2TV-17$ -----> $TW=2(22)-17=27\ m$

6 0

4 years ago

Can somebody help me asap.

ehidna [41]

Answer:

Step-by-step explanation:

1) m∠1 +m∠2 + m∠3 = m∠LAM (Angle addition postulate)

2) m∠1 + m∠2 + m∠3 = 180 (def. of straight angle)

3) y║z (Given)

4) ∠1 ≅ ∠5 (alternate interior angles theorem)

5) ∠3 ≅ ∠6 (alternate interior angles theorem)

6) Since m∠1 + m∠2 + m∠3 = 180

m∠5 + m∠2 + m∠6 = 180

Hence proved.

7 0

3 years ago