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3 years ago

13

A rectangle has verticles (6,4), (2,4) (6,-2), and (2,-2. What are the coordinates of the verticles of the image after dilation

with the origin as its center and a scale factor of 1.5?

1 answer:

Archy [21]3 years ago

5 0

Answer:

the coordinates are (2,-7)

Step-by-step explanation:

its this bacause if you add all the vertices then subtract them you will get this

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In a survey of 1,000 television viewers, 40% said they watch network news programs. For a 90% confidence level, the margin of er

ElenaW [278]

Answer: The margin of error = $3\%$

Step-by-step explanation:

Given

Sample size (n) = 1000

Population proportion = 0.4

$\alpha$ = 1 - confidence level

= 1 - 0.95

= 0.05

$margin\; of\; error = z_{\frac{\alpha }{2}}\sqrt{\frac{{\widehat{p}}{(1 -\widehat{p})}}{n}}$

$margin\; of\; error = z_{\frac{0.05 }{2}\sqrt{\frac{{(0.4)}{(1 -0.4)}}{1000}}$

$= z_{0.025}\sqrt{\frac{{(0.4)}{(0.6)}}{1000}}$

$= 1.96\sqrt{\frac{{(0.4)}{(0.6)}}{1000}}$

= 0.03

The margin of error change to $2.5\%$ to $3\%$

6 0

3 years ago

The sum of twice a number n and 8 at most 25

mezya [45]

2n + 8 ≤ 25 |subtract 8 from both sides

2n ≤ 17 |divide both sides by 2

<u>n ≤ 8.5</u>

6 0

3 years ago

A company makes candles in the shape of a right cone. The lateral surface of each candle is covered with

julia-pushkina [17]

Answer:

The amount of paper needed = 363.3 in²

Total amount of paper and plastic needed = 564.3 in

Step-by-step explanation:

As the diagram isn't given.

Consider a right cone shown in the ATTACHMENT.

where

r = 8 in

h = 12 in

First find the value of hypotenuse s by using Pythagoras theorem

<h3>Find Lateral Area:</h3>

The amount of paper needed to cover the candle is lateral area, which is given by:

$L=\pi\cdot{r}\cdot{s}\\L =\pi\cdot8\cdot14.422\\L=363.3in^2\\$

<h3>Find Surface Area:</h3>

Total amount of paper and plastic is the surface area:

$S=L+\pi{r}^2\\S=363.3+\pi(8)^2\\S=564.26in^2$

$S=564.3in^2$

7 0

3 years ago

Please help please cfgyy

Alenkinab [10]

3x- 11 +59 = 90
3x + 48 = 90
3x +48-48 =90-48
3x = 42
3x/3 = 42/3
x= 14

<MNQ = 3x -11
<MNQ = 3(14)-11
<MNQ = 42-11
<MNQ = 31

7 0

2 years ago

Siri am I a mix of recipe that calls for 1 1/2 cups of flour and 3/4 to get butter Jeremiah uses three sticks of butter how many

Inga [223]

Answer:

6 cups

Step-by-step explanation:

jeremiah 4× the recipe

3/4×4=3

so 1 1/2×4=6

8 0

3 years ago