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4 years ago

How multiplied whole number with fraction

2 answers:

Volgvan4 years ago

7 0

I think it helps to turn the whole number into a fraction, just by adding a denominator of 1. Then, you can easily multiply across with both fractions, and simplify the answer once done. Hope this helps!

Fofino [41]4 years ago

3 0

Search it up and you shall find an answer believe me it is there

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Andreas93 [3]

Answer:

(1,2)

Step-by-step explanation:

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3 years ago

Rob earns $6 for each small dog he walks and $8 for each large dog he walks. Today he walked 8 dogs and made a total of $50. Det

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Answer:

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Step-by-step explanation:

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3 years ago

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Question: Consider the similarity transformation of ΔABC to produce ΔEDF.

german

Answer:

see the explanation

Step-by-step explanation:

we have triangle ΔABC

step 1

Rotate 90 degrees clockwise ΔABC about point C to obtain ΔA'B'C'

Remember that

A rotation is a rigid transformation

An object and its rotation are the same shape and size, but the figures may be turned in different directions

ΔABC and ΔA'B'C' are congruent

ΔABC≅ ΔA'B'C

step 2

Dilate the triangle ΔA'B'C' to obtain triangle ΔEDF

Remember that

A dilation is a non rigid transformation

A dilation produces similar figures

If two figures are similar, then the ratio of its corresponding angles is proportional and its corresponding angles are congruent

Find the scale factor of the dilation

The scale factor is equal to the ratio of corresponding sides

In this problem

Let

z ----> the scale factor

$z=\frac{ED}{AB}=\frac{DF}{BC}=\frac{EF}{AC}$

Multiply the length sides of triangle ΔA'B'C' by the scale factor z to obtain the length sides of triangle ΔEDF

Note: in this problem the scale factor z is less than 1

That means ----> the dilation is a reduction

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4 years ago

Sally has two coins. The first coin is a fair coin and the second coin is biased. The biased coin comes up heads with probabilit

coldgirl [10]

Answer:

50%

Step-by-step explanation:

''What is the probability that she selected the biased coin?”

When we have n possible outcomes of an event and all of them have the same probability of appearance, then in theory each possibility has a probability 1/n of being the result of the event.

In this case the event is choosing randomly a coin out of 2, so no matter what the biased coin is or the results we get when we toss it, the probability of choosing the biased coin is ½ = 0.5 or 50%.

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3 years ago

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Sindrei [870]

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3 years ago