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2 years ago

Don't stress anymore I'm here to help in online mathematics classes I have a doctorate degree in maths

Mathematics

2 answers:

frosja888 [35]2 years ago

7 0

Then I'll definitely will ask you questions about maths :)

Lapatulllka [165]2 years ago

5 0

Please help me with my homework.

Here is the question. I hope you would help me, I really need answer asap. I need to pass it by 8:30. pls help me

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Which one is right triangle angle <br>a. 45, 55 and 35<br>b. 52, 48 and 20

Gemiola [76]

<h2>option b. 52, 48 and 20</h2>

Step-by-step explanation:

<u>let's solve:-</u>

To test whether given this triangle is right triangle or not, we can use the Pythagorean Theorem .

soo

Pythagorean Theorem=

$\bold \green{(leg1)^{2} +(leg2)^{2} =(hypotenuse)^{2} }$

Here:-

$\bold \blue{leg \: 1 = 48} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \bold \blue{ leg2 = 20} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \bold\blue{hypotenuse = 52}$

Putting values:-

${48}^{2} + {20}^{2} = {52}^{2} \: \: \: \: \: \: \\ \\ 2304 + 400 = 2704 \\ \\ 2704 = 2704 \: \: \: \: \: \: \: \: \: \: \: \: \: \:$

4 0

2 years ago

4 x 10^6 is how many times large then 1 x 10^4

Molodets [167]

Answer:

Step-by-step explanation:

$4\times10^6\text{ is how many times large than}\ 1 \times 10^4?\\\\\dfrac{4\times10^6}{1\times10^4}=\dfrac{4}{1}\times\dfrac{10^6}{10^4}=4\times10^{6-4}=4\times10^2=4\times100=400$

4 0

3 years ago

Convert 7/8 to a decimal Then determine if the decimal is terminating or repeating

Black_prince [1.1K]

Answer:

0.875 = 7/8 and it is terminating

Step-by-step explanation:

4 0

2 years ago

a recent survey found that 40% of high school students exercise regularly. If you choose 5 students at random, what is the proba

enyata [817]

Answer:

0.05

Step-by-step explanation:

We can correctly state that the total sample space= 100 students

40% of 100 students exercise regularly

The probability that 5 students

Picked at random exercise regularly is

Pr(5) = 5/100= 1/20

Pr(5)= 0.05

4 0

3 years ago

The scores on an achievement test are normaly distributed with mean µ = 100 and standard deviation σ = 100. What should the scor

ser-zykov [4K]

Answer:

the student should score atleast 229 to be among the top 10%.

Step-by-step explanation:

in terms of the normal distribution, and if the table that you're using calculates the area of the normal distribution from the mean to a point x, only then what we are actually finding the value 'x' at which the z-score is at 40% (the rest 50% is already skipped by the table)

$P(0.4) = \dfrac{x - \mu}{\sigma}$

after finding the the value at this z-score, we can find the value of x at which the score is in the top 10% range.

we can find the z-score either using a normal distribution table or calculator. (but be sure what area is it calculating)

looking at the table the closest value we can find is, 0.4015 at z = 1.29 ((it is above 40% because we want to be in the top 10% range)

$P(0.4015) = \dfrac{x - 100}{100}$

$1.29 = \dfrac{x - 100}{100}$

$x = 1.29(100) + 100$

$x = 229$

the student should score atleast 229 to be among the top 10%.

7 0

2 years ago

Don't stress anymore I'm here to help in online mathematics classes I have a doctorate degree in maths​

Don't stress anymore I'm here to help in online mathematics classes I have a doctorate degree in maths