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forsale [732]
3 years ago
7

A set of cards has 8 red cards, 6 blue cards, and 1 green card. Paula chooses a card without looking. What is the probability th

at Paula will choose a red card?
Mathematics
1 answer:
3241004551 [841]3 years ago
5 0

Answer:

8/15 = 0.53 = 53%

Step-by-step explanation:

The probability is the number of chances divided by the total number of cards. The total number of cards is 8 + 6 +1 = 15. There are 8 red cards and therefore 8 chances to get red.

8 out of 15 cards is 8/15. The probability is 8/15.

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If you convert 62 kilograms to lbs it will give you 136.687 lbs
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3 years ago
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Peter is at a lumber yard. He gets 2 free boxes of nails for every 10 boards he buys. Write an expression for the number of boxe
Sati [7]
A. The number of 10-boards Peter bought is equal to n divided by 10. Then, each of the 10-boxes will get two boxes of nails. The number of boxes of nails that Peter will have after buying n boards will be,

    N = (2)(n/10)

Simplifying,

<em>   N = n/5</em>

b. If the number of boards are 90 then,

     N2 = (90/10)(2)(100 nails/box)
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Answer: 1800
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3 years ago
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Given: m
Nutka1998 [239]

Answer:

m\angle MEJ=25^{\circ}.

Step-by-step explanation:

The arcs LY, KM, KL and MJ together form the full revolution angle, thus

4x+50^{\circ}+6x+x+10^{\circ}+4x=360^{\circ},\\ \\15x=300^{\circ},\\ \\x=20^{\circ}.

Note that

m\angle MOJ=4x=80^{\circ},

then

m\angle MLJ=\dfrac{1}{2}\cdot 80^{\circ}=40^{\circ}.

So,

m\angle ELM=180^{\circ}-40^{\circ}=140^{\circ}.

Also

m\angle LOK=30^{\circ},

so

m\angle KML=\dfrac{1}{2}\cdot 30^{\circ}=15^{\circ}.

In triangle EML,

m\angle MEL+m\angle EML+m\angle ELM=180^{\circ},\\ \\m\angle MEL=180^{\circ}-15^{\circ}-140^{\circ}=25^{\circ}.

Thus, m\angle MEJ=25^{\circ}.

7 0
3 years ago
Find the missing term in the<br> geometric sequence.<br> 13,[ ? ],208
olga_2 [115]

Answer:

110.5

Step-by-step explanation:

208=13+(3-1)d

208=13+2d

-13. -13

195=2d

÷2. ÷2

97.5=d. (d means difference)

13(first term)+97.5=110.5

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3 years ago
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In a group of 30 people, 9 people study French and 14 people study Spanish. Seven people study both French and Spanish.
Shtirlitz [24]
Or means not both
if  people study both then the number of people studying either french or spanish is 7 less than the total number of peple studig french and spanish because thoe 7 are common to both groups

9+14=total=23
23-7=16 people studing either

proabblity=desiredoutcmes/totalpossibe
desired=16
total=30
so 16/30=8/15 is the probablity
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3 years ago
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