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I am Lyosha [343]
3 years ago
8

Hector is training for a race. During week 1, he will run 8 miles. He plans to run

Mathematics
2 answers:
Grace [21]3 years ago
6 0
B is the answer hope this helped
Andrej [43]3 years ago
3 0

Answer:

A

Step-by-step explanation:

How you find x is you do 27-8. You get 19. If you do 19+8 and think of 19 as x, you get 27. This is why A is correct

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Jonathan has a bag that co rains exactly one red marble (r), one yellow marble (y) and one green marble (g). He chooses a marble
liraira [26]

Answer: The first outcome shall be 0.33 or 33%.

The second outcome would be 0.5 or 50%

Step-by-step explanation: The bag contains exactly one yellow, one red and one green marble. So when he draws the first marble the sample space shall be the total possible outcomes, which is three, since he has three (3) marbles altogether. When he draws the first time without looking, all three marbles have an equal probability of being picked which can be derived thus;

P(Red) = Number of required possibilities/Number of all possibilities

P(Red) = 1/3

P(Red) = 0.33

Note that there is only one marble of each color which means P(Yellow) and P(Green) is also 0.33 respectively.

After choosing the first marble, without replacing the first one he now chooses another marble. The sample size would have reduced to 2 (since one marble has been drawn). Hence, the outcome when he draw a second marble can be calculated as follows;

P(Red) = Number of required outcomes/Number of possible outcomes

P(Red) = 1/2

P(Red) = 0.5

6 0
4 years ago
A submarine is only allowed to change its depth be Racing toward the surface in 60 meter stages. If the submarine starts off at
lara31 [8.8K]

Answer:

Depth = 100m

Step-by-step explanation:

Given

Initial Level = 340 m

Number of stages = 4

Difference in each stage = 60 m

Required

Determine the depth of the submarine after 4 stages

First, we have to calculate the total distance moved towards the surface of the sea;

This is calculated as

Total\ Distance = Number\ of\ Stages * Difference\ in\ each\ stage

Total\ Distance = 4 * 60m

Total\ Distance = 240m

This implies that the submarine moved a total distance of 240 metres;

It;'s new depth is calculated as follows;

Depth = Initial\ Depth - Total\ Distance

Depth = 340m - 240m

Depth = 100m

<em>Hence, its new depth after 4 stages of rising is 100m</em>

3 0
4 years ago
6. The sequence is recursive. Find the value of the next term in the sequence.
Alisiya [41]

Answer: the value is 30

Step-by-step explanation:

you are going up by 5 so 25+5 IS 30

CAN I HAVE BRAINLIEST PLEASE

8 0
3 years ago
Can some one check this please!4 1/3 + 3 1/2= 7 5/6
babunello [35]

yes it is correct

13/3+7/2=47/6

(26+21)/6=47/6

47/6=47/6

7 0
2 years ago
Given a triangle with perimeter 63 cm, one side of which is 21 cm, and one of the medians is perpendicular to one of its angle b
kodGreya [7K]

Answer:

The lengths of all sides of the triangle will be 21 cm, 21 cm, and 21 cm

Step-by-step explanation:

Given that the perimeter of the triangle = 63 cm

And the length of one side = 21 cm

and one of the medians is perpendicular to one of its angle bisectors

Since triangle has 3 sides,

Median = 63 ÷ 3 = 21

Therefore each side length = 21 cm

3 0
3 years ago
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