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Leokris [45]
3 years ago
6

Can someone answer my question please ? (see my profile to see questions )

Mathematics
1 answer:
hodyreva [135]3 years ago
4 0

Answer:

Okay sure, I'll see if I can help!

Step-by-step explanation:

Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!

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40
kkurt [141]

Answer : 70

Step-by-step explanation: because  40 +30 and the biggest number in the chart  is 7 just add a 0 and it becomes 70

3 0
2 years ago
Using your answer from #3, how many hours will
Sphinxa [80]

Answer:

5 hours cuz 75 divided by 15 is 5 or 15 x 5 is 75

3 0
2 years ago
Read 2 more answers
A jar contains 8 red marbles numbered 1 to 8 and 7 blue marbles numbered 1 to 7. A marble is drawn at random from the jar. Find
Shkiper50 [21]

Answer:

Therefore the probability that the marble is blue or even numbered is \frac{11}{15}

Step-by-step explanation:

Probability: The ratio of favorable outcomes to the total outcomes.

It is denoted by P.

Probability= \frac{\textrm{favorable outcomes}}{\textrm{Total outcomes}}

Given that a jar contains 8 red marbles and 7 blue marbles.

Total number of marbles = (8+7) = 15

Let A = Event of getting a blue marble

B= Event of getting of even marble.

Even number blue marbles are 2, 4,6

Even number red marbles are 2, 4,6,8

The number of even marbles are =(3+4)=7

The probability of getting a blue marble is P(A)

=\frac{\textrm{Total number of blue marbles}}{\textrm{Total number of blue marbles}}

=\frac{7}{15}

The probability of getting a even marble  is P(B)

=\frac{\textrm{The number of even number marbles}}{\textrm{Total number of marbles}}

=\frac{7}{15}

The probability of getting a even numbered blue marble P(A∩B)

=\frac{3}{16}

P(blue marble or even- numbered)

=P(A∪B)

=P(A)+P(B)-P(A∩B)

=\frac{7}{15} +\frac{7}{15}-\frac{3}{15}

=\frac{11}{15}

Therefore the probability that the marble is blue or even numbered is \frac{11}{15}

3 0
3 years ago
Joaquin lives 0.3 miles from Keith. Layla lives 0.4 as far from Keith as Joaquin. How far does Layla live From Keith? Write an e
jasenka [17]
You have to multiply the 2 numbers together.

0.3 x 0.4

0.12

3 0
2 years ago
Yoon Ki drove form Phoenix to Tucson in 1 1/2 hours. Then she drove form Tucson to El Paso in 4 3/4 hours. The second part of he
Sophie [7]
(4 3/4) / (1 1/2) =
(19/4) / (3/2) =
19/4 * 2/3 =
19/6 =
3 1/6 <=== the second part of the trip was 3 1/6 times as long as the first part
7 0
3 years ago
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