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Fudgin [204]
3 years ago
7

The angles of a triangle are 99º, 3xº, and x + 5º.

Mathematics
1 answer:
Ket [755]3 years ago
5 0
X= 19degress
180-99 =81
81-5 = 76
76/4 = 19
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a deck of cards contains red cards number 23 blue cards numbered 1 2 3 4 and green cards numbered one to if a single card is pic
svp [43]

Correct question:

A deck of cards contains RED cards numbered 1,2,3, BLUE cards numbered 1,2,3,4, and GREEN cards numbered 1,2. If a single card is picked at random, what is the probability that the card is BLUE OR has an ODD number?

Answer: 2/13

Step-by-step explanation:

Number of red cards = 3 (1,2,3)

Number of blue cards = 4 (1, 2, 3, 4)

Number of green cards = 2 (1,2)

Total number of cards in a deck = 52

Probability of picking a blue card OR has an odd number

P(picking a blue card ) = required outcome / possible outcome

P( picking a blue card ) = 4/52 = 1/13

P( odd number card ) = 6/52 = 3/26

P(blue and odd) = 2/52 = 1/26

P(picking a blue card or an odd number )

P(picking a blue ) U P(picking an odd number)

P(picking a blue) + (P(picking an odd) - P(picking a blue odd)

1/13 + 3/26 - 1/26= (2 + 3 - 1)/26 = 4/26 = 2/13

6 0
3 years ago
Ramona deposited $4,190.51 into a savings account with an interest rate of 5.2% compounded twice a year. About how long will it
kap26 [50]
<span>A = P(1+r/2)^2t A/P = (1+r/2)^2t ln(A/P) = 2t ln((1+r/2)) ln(A/P)/ln(1+r/2) =2t ln(9000/4190.51)/ln(1+0.052/2)=2t t=15 yrs therfore ans is C.14 years ,11 months</span>
7 0
3 years ago
I dont get it plz help
adelina 88 [10]

Answer:

its either b or d

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Need hep teaching my daughter. Janet went to Resturant and left 20% tip. If tip was $3.20 how much was meal? Solve with equation
Stels [109]

Answer:

The meal was $16.00.

Step-by-step explanation:

since the equation for finding the tip is: decimal of percent times total bill, what you want to do is isolate the bill. you do this by dividing both sides by percent and your equation is total cost = tip/percent

let's say our total equation is x.

x=3.20/0.2

x=16

Now check your work.

6 0
3 years ago
Im so confused about this section!!
notsponge [240]

Probability=blue marbles/total marbles

Probability=5/10=1/2

If you draw from the bag twice...

Probability = 1/2 x 1/2 = 1/4

answer: 1/4

6 0
3 years ago
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