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Elis [28]
2 years ago
14

Pls help ASAP pls pls pls i will give brainliest if 2 people reply whichever gives best explanation will get brainliset

Mathematics
2 answers:
vaieri [72.5K]2 years ago
6 0

Answer:

3 1/3

Step-by-step explanation:

riadik2000 [5.3K]2 years ago
3 0

Answer:

3 1/3 miles The answer is D

Step-by-step explanation:

The first trip to school is 5/6 miles. Multiply that by 2 because she also walked home and you get 10/6. Then add the distance she she walked to the library- which simplifies to 5/6 and you get 20/6. That simplifies to 3 1/3.

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zloy xaker [14]

To use the AA postulate directly, you need to show that two corresponding angles are congruent. In order to show that here, you must calculate the value of one of the missing angle measures. Either of the missing angles can be found by invoking the fact that the sum of angles in a triangle is 180°.

After finding either missing angle, you can show that the measures of two angles in one triangle are identical to the measures of two angles in the other triangle, hence the triangles are similar by the AA postulate.

5 0
2 years ago
The expression 1/2mv^2<br> M=1.6x10^3<br> V=3.4x10^3
mariarad [96]

Answer:

Step-by-step explanation:

hello :

The expression 1/2mv^2

M=1.6x10^3

V=3.4x10^3

is :   1/2(1.6x10^3  )(3.4x10^3)²=2.72x 10^9

8 0
3 years ago
find the area of a circle, take π to be 3.142 and give your answer to one decimal place. the radius is 4cm
Ivan

Answer:

A≈50.27

hope this helps you

4 0
2 years ago
Use compatible numbers to estimate the quotient. 635÷9
gayaneshka [121]
Here, 635/9
Nearest divisible of 9 is 630 so, 
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Hope this helps!
6 0
3 years ago
Last​ year, a person wrote 126 checks. Let the random variable x represent the number of checks he wrote in one​ day, and assume
Arisa [49]

Answer:  The mean number of checks written per​ day  =0.3452

Standard deviation=0.5875

Variance  =0.3452

Step-by-step explanation:

Given : The total number of checks wrote by person in a year = 126

Assume that the year is not a leap year.

Then  1 year = 365 days

Let the random variable x represent the number of checks he wrote in one​ day.

Then , the mean number of checks wrote by person each days id=s given by :-

\lambda=\dfrac{126}{365}\approx0.3452

Since , the distribution is Poisson distribution , then the variance must equal to the mean value i.e. \sigma^2=\lambda=0.3452

Standard deviation : \sigma=\sqrt{0.3452}=0.5875372328\approx0.5875

6 0
3 years ago
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