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3 years ago

What are the types of transformations in 8th grade Pre-Algebra?

1 answer:

7 0

Translation: every point of the pre-image is moved the same distance in the same direction to form the image.

Rotation: transformation that is performed by spinning the object around a fixed point known as the center of rotation.

Reflection: a flip of an object over a line

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natta225 [31]

Answer:

Distributive Property

Step-by-step explanation:

$x(8x+3y)\\We\ multiply\ the\ term\ outside\ brackets\ with\ terms\ inside\ the\ bracket\ equally,\\through\ the\ distributive\ property\ method\ .\\\\Hence,\\x(8x+3y)\\=8x*x+3y*x\\=8x^2+3xy$

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3 years ago

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tigry1 [53]

Answer: y=4x+7 is the equation

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3 years ago

What number is the dividend in the division problem below?

Paha777 [63]

Answer:

30 = 6×5

The dividend is 30.

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3 years ago

Which of the following answer is equivalent to this expression 8+12x

Vika [28.1K]

Answer:

what is the answer choices

Step-by-step explanation:

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2 years ago

Read 2 more answers

Based on past experience, a bank believes that 8.9 % of the people who receive loans will not make payments on time. The bank ha

love history [14]

Answer:

To be able to approximate the sampling distribution with a normal model, it is needed that $np \geq 10$ and $n(1-p) \geq 10$ , and both conditions are satisfied in this problem.

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they will make payments on time, or they won't. The probability of a person making the payment on time is independent of any other person, which means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

Probability of exactly x successes on n repeated trials, with p probability.

The sampling distribution can be approximated to a normal model if:

$np \geq 10$ and $n(1-p) \geq 10$

Based on past experience, a bank believes that 8.9 % of the people who receive loans will not make payments on time.

This means that $p = 0.089$

The bank has recently approved 220 loans.

This means that $n = 220$

What must be true to be able to approximate the sampling distribution with a normal model?

$np = 220*0.089 = 19.58 \geq 10$

$n(1-p) = 220*0.911 = 200.42 \geq 10$

To be able to approximate the sampling distribution with a normal model, it is needed that $np \geq 10$ and $n(1-p) \geq 10$ , and both conditions are satisfied in this problem.

3 0

2 years ago