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3 years ago

Is this all correct? first one to answer is brainliest! thx (:

Mathematics

2 answers:

oee [108]3 years ago

7 0

yes all of this is correct and a college student is telling you

Afina-wow [57]3 years ago

3 0

The first one is correct and the others I can't really see the picture is blurry

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A coin is tossed 3 times. What is the probability that the number of tails obtained will be between 1 and 3 inclusive?

LekaFEV [45]

Answer: $\dfrac{7}{8}$

Step-by-step explanation:

Given : When a coin is tossed twice , the total outcomes will become

HHH , HHT , HTH , THH , TTH , THT , HTT ,TTT

Total outcomes = 8

Favorable outcomes to obtain 1 and 3 inclusive = HHT , HTH , THH , TTH , THT , HTT ,TTT

Number of favorable outcomes = 7

Probability that the number of tails obtained will be between 1 and 3 inclusive = $\dfrac{\text{Favorable outcomes}}{\text{Total outcomes}}$

$=\dfrac{7}{8}$

Hence, the probability that the number of tails obtained will be between 1 and 3 inclusive $=\dfrac{7}{8}$

5 0

3 years ago

Which division problem does the number line below best illustrate? A number line going from 0 to 13. An arrow jumps from 0 to 3,

Brums [2.3K]

Without the screenshot, it's fairly difficult to know what your teacher wants exactly. I found this similar problem

brainly.com/question/13583475

which might help. It sounds like you have 4 semicircles which can be thought of as a division problem 12/3 = 4. Note how I'm dividing by 3 which is the width of each section (eg: from 6 to 9 is 9-6 = 3 units)

4 0

2 years ago

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Last month Maria hiked a total of 90 miles on two trails: a 5-mile mountain trail and a 10-mile canal trail. Let x represent the

ivolga24 [154]

Answer:

5x+10y=90

Step-by-step explanation:

6 0

2 years ago

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I need help with this please

kodGreya [7K]

1/5(2x - 10) + 4x = -3(1/5x + 4)
0.4x - 2 + 4x = -0.6x - 12
4.4x - 2 = -0.6x - 12
5x - 2 = -12
5x = -10
x = -2

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2 years ago

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before the use of calculators, mathematicians developed and used detailed tables of values of the sine, cosine and tangent ratio

Debora [2.8K]

Answer:

the answer is bc of my knowledge XD XD XD hahaha

Step-by-step explanation:

nbhgutfyctygvuhbijnk mjbguvyfccvguhbijnk bvf vhnjhbvtcdxtcrftygbhjnhbgvfctytguhb vgc

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3 years ago