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3 years ago

Please help me with this

Mathematics

1 answer:

iren [92.7K]3 years ago

5 0

The answer is A. Same shape and D. Similar.
They are not congruent or the same size(one is larger than the other)
Hope this helps!

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Show that each system has no solution<br>y=x+1<br>-x+y=3

Phoenix [80]

Y=x+1
-x+y=3

-x+x+1=3
1=3

5 0

3 years ago

Fill in the blanks below to make a true statement. In a binomial experiment with n trials and probability of success p, if np (1

Sergeu [11.5K]

Answer:

$\mu_{x}=np$

$\sigma^2_{X}=np(1-p)$

Step-by-step explanation:

∵ When x is a random variable having distribution B(n, p), then for sufficiently large value of n, the following random variable has a standard normal distribution,

$\frac{x-\mu}{\sigma}\sim N(0,1)$

Where,

$\mu=np$

$\sigma^2=np(1-p)$

Here the variable X has a binomial distribution,

Such that, np (1 - p) ≥ 10 ⇒ n is sufficiently large.

Where, n is the total numbers of trials, p is success in each trials,

So, the mean of variable X is,

$\mu_{X} = np$

And, variance of variable X is,

$\sigma^2{X}=np(1-p)$

3 0

3 years ago

In this equation, y-4/2=10, would i need to get the same denominator<br> y-4/2=10/2 = y-2=5?

Natasha_Volkova [10]

No actually you can just multiply both sides of the equation by 2 and get y-4=20. then add 4 to both sides to get y=24.

3 0

3 years ago

Find the product of 51 and -2.5.

Bad White [126]

Answer: C. -102 + (-25.5)

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3 years ago

In a right triangle the side c opposite the right angle is called the hypotenuse, and the other two sides a and b are

RSB [31]

Answer:

The hypotenuse of the triangle measures 13 inches.

Step-by-step explanation:

Since the Pythagorean theorem states that in any right triangle the lengths of the three sides are related by the equation A ^ 2 + B ^ 2 = C ^ 2, to determine the length of the hypotenuse in a right thangle with legs 5 inches and 12 inches the following calculation should be performed:

5 ^ 2 + 12 ^ 2 = X ^ 2

25 + 144 = X ^ 2

√169 = X

13 = X

Therefore, the hypotenuse of the triangle measures 13 inches.

4 0

3 years ago

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