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vazorg [7]
3 years ago
9

PLZ HELP!

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
6 0
The painting that wins first prize has an area that is 3.2 times smaller than the greatest area. Hence, there is area of 938.45 cm² of first prize painting.
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2) Vanessa has a goal of making $85 per week at her after school job. Last week, she was within $4.25 of
Inessa [10]

Answer: what do you mean by this she made 80.75$

Step-by-step explanation:

3 0
3 years ago
Please help!! Select the values for the domain & range of the function given below.
VladimirAG [237]

Answer:

the first one n second one

4 0
4 years ago
Describe the translation.
Vikentia [17]

Answer:

C

Step-by-step explanation:

This is a translation 5 units left and 5 units dowh.

8 0
2 years ago
Suppose that a box contains one fair coin (Heads and Tails are equally likely) and one coin with Heads on each side. Suppose fur
stealth61 [152]

Using conditional probability, it is found that there is a 0.1 = 10% probability that the chosen coin was the fair coin.

Conditional Probability

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

  • P(B|A) is the probability of event B happening, given that A happened.
  • P(A \cap B) is the probability of both A and B happening.
  • P(A) is the probability of A happening.

In this problem:

  • Event A: Three heads.
  • Event B: Fair coin.

The probability associated with 3 heads are:

  • 0.5^3 = 0.125 out of 0.5(fair coin).
  • 1 out of 0.5(biased).

Hence:

P(A) = 0.125 + 0.5 = 0.625

The probability of 3 heads and the fair coin is:

P(A \cap B) = 0.5(0.125) = 0.0625

Then, the conditional probability is:

P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.0625}{0.625} = 0.1

0.1 = 10% probability that the chosen coin was the fair coin.

A similar problem is given at brainly.com/question/14398287

4 0
3 years ago
Given the preimage and image, find the dilation scale factor​
77julia77 [94]

Given:

The preimage and image of a triangle in the given figure.

To find:

The dilation scale factor.

Solution:

From the given figure it is clear that the vertices of the triangle ABC are A(-2,-2), B(-1,2) and C(2,1).

The vertices of the triangle A'B'C' are A'(-4,-4), B'(-2,4) and C'(4,2).

If a figure is dilated by factor K with (0,0) as the center of dilation, then

(x,y)\to (kx,ky)

Let the scale factor be K, then the image of point A is:

A(-2,-2)\to A'(k(-2),k(-2))

A(-2,-2)\to A'(-2k,-2k)

From the given figure it is clear that the image of point A is A'(-4,-4).

A'(-2k,-2k)=A'(-4,-4)

On comparing both sides, we get

-2k=-4

k=\dfrac{-4}{-2}

k=2

Therefore, the dilation scale factor is 2.

8 0
3 years ago
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