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3 years ago

What are the coordinates of A' B' and C' after the dilation?

Mathematics

2 answers:

andreyandreev [35.5K]3 years ago

8 0

Answer:

this is the answer to the question, its 5.6 for sure

Scorpion4ik [409]3 years ago

6 0

Answer:

Hello!

A' is (-4, 0)

B' is (-1, 4)

C' is (-1, -3)

Step-by-step explanation:

Here are the points and a graph showing the dilation in purple

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Degger [83]

Let x = pounds of $12 per pound coffee

then

20-x = pounds of $9 per pound coffee

12x + 9(20-x) = 10(20)

12x + 180 - 9x = 200

3x + 180 = 200

3x = 20

x = 20/3

x = 6 and 2/3 pounds of $12 per pound coffee

Amount of $9 per pound coffee:

20-x = 20-20/3 = 60/3 - 20/3 = 40/3

13 and 1/3 pounds of $9 per pound coffee

3 0

3 years ago

The average time an individual reads online national news reports is 49 minutes. Assume the standard deviation is 16 minutes and

Olin [163]

Answer:

0.118 is the probability someone will spend no more than 30 minutes reading online national news reports.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 49 minutes

Standard Deviation, σ = 16 minutes

We are given that the distribution of time an individual reads is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(no more than 30 minutes)

$P( x \leq 610) = P( z \leq \displaystyle\frac{30 - 49}{16}) = P(z \leq -1.1875)$

Calculation the value from standard normal z table, we have,

$P(x \leq 30) = 0.118 = 11.8\%$

0.118 is the probability someone will spend no more than 30 minutes reading online national news reports.

3 0

3 years ago

2. Evaluate each expression:<br> a.-1.2.3 -<br> b.-1. (-2) 3<br> C. -1 • (-2).(-3)

rodikova [14]

Answer:

a. -6

b. +6

c. -6

Step-by-step explanation:

minus times plus times plus = -

minus times minus times plus = +

minus times minus times minus = -

1 times 2 times 3 = 6

so:

-1 times 2 times 3 = -6

-1 times -2 times 3 = +6

-1 times -2 times -3 = -6

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2 years ago

The rule is “1, 2.” What is the 42nd number?

ivolga24 [154]

Answer:

Step-by-step explanation:

5 0

3 years ago

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Find an explicit formula that generates a sequence whose first four terms are: 24, 36, 54, 81

sattari [20]

Answer:

see explanation

Step-by-step explanation:

These are the first 4 terms of a geometric sequence with n th term

$a_{n}$ = a₁ $(r)^{n-1}$

where a₁ is the first term and r the common ratio

r = 36 ÷ 24 = 54 ÷ 36 = 81 ÷ 54 = 1.5 and a₁ = 24, hence

$a_{n}$ = 24 $(1.5)^{n-1}$ ← explicit formula

3 0

3 years ago

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