3 years ago

PLZ help me!!!!!!!!!!!!!!!!1

Mathematics

2 answers:

Stella [2.4K]3 years ago

8 0

Answer:

I believe the answer is b

Step-by-step explanation:

Arte-miy333 [17]3 years ago

6 0

Answer:

Step-by-step explanation:

16 × 5 = 80

base × height = area

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2) 2(8r + 5) = 24 + 9r

Anna35 [415]

Answer:

r = 2

Step-by-step explanation:

2(8r + 5) = 24 + 9r

16r + 10 = 24 + 9r

16r - 9r = 24 - 10

7r = 14

r = 2

4 0

3 years ago

Jerome is going to draw a marble from the bag shown below, replace it, and then draw another marble. What is the probability tha

alexira [117]

Marbles in a bag: 3 green, 4 yellow, 5 blue, 8 pink.

Event A - get a green or yellow marble
Event B - get a pink marble

Events A and B are independent because we draw a marble from a bag with 20 marbles in both cases.
$P(A)= \frac{3+4}{3+4+5+8}= \frac{7}{20} 
\\P(B)= \frac{8}{3+4+5+8}= \frac{8}{20} = \frac{2}{5}$

Probability of combined events is
$P(A) \times P(B)=\frac{7}{20} \times \frac{2}{5} =\frac{7}{50}$

7 0

3 years ago

Read 2 more answers

Two cards are drawn from a standard deck without replacement. What is the probability that the first card is a heart and the sec

Pavel [41]

Answer:

25/208 or 12.2%

Step-by-step explanation:

P(heart) = 13/52 = 1/4

P(red) = 26/52 = 1/2

because we are not replacing the first card drawn, the deck has 51 cards remaining

P(heart, red) = 1/4 × 25/52

= 25/208 or 12.2%

5 0

3 years ago

Use the area to find the radius. If you could include steps that’ll be very helpful :)

igor_vitrenko [27]

Answer:

Area = PI * radius^2

radius^2 = Area / PI

radius^2 = 169*PI/PI

radius^2 = 169

radius = 13

Step-by-step explanation:

5 0

3 years ago

18% commission on a $500 couch<br> bro can someone pleaseee help me

madam [21]

Um Hi It is $90 so type $90

3 0

3 years ago