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Phoenix [80]
3 years ago
12

Proportional or non proportional?

Mathematics
1 answer:
Ludmilka [50]3 years ago
7 0

Answer:

proportional

Step-by-step explanation:

all are multiplied by 3

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a segment has endpoints at (1, -2) The midpoint is at (-4, -2). What are the cooordinates of the other endpoint?
vfiekz [6]

Answer:

coordinate of the other endpoint is (-9,-2)

Step-by-step explanation:

Given that a segment has endpoints at (1, -2). The midpoint is at (-4, -2).

Now we need to find about what are the coordinates of the other endpoint.

let the coordinates of other end points are (x,y)

Then mid point of (1,-2) and (x,y) is given by mid point formula:

\left(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}\right)

\left(\frac{x+1}{2},\frac{y-2}{2}\right)=(-4,-2)

\Rightarrow \frac{x+1}{2}=-4, \frac{y-2}{2}=-2

\Rightarrow x+1=-8, y-2=-4

\Rightarrow x=-9, y=-2

hence coordinate of the other endpoint is (-9,-2)

4 0
3 years ago
What is the slope of the line on the graph?<br> need answer asap pls help
vlada-n [284]

Answer:

-2/6

Step-by-step explanation:

go down the y axis 2 times (-2) and over 6

y=-2/6x+4

8 0
2 years ago
Y o u s h a l l g e t 50 p o i n t s <br> i f y o u a n s w e r t h i s
Serga [27]

Answer: 1.) 10

Step-by-step explanation:

-4 + 4 = 0

0 + 6 = 6

6 + 4 = 10

6 0
3 years ago
Read 2 more answers
the right triangular prism and the square rectangular prism both haven't had a 10 in in the same volume. A plane slices both sol
gogolik [260]

Answer:  6 inches

<u>Step-by-step explanation:</u>

Volume (V) = Area of the base (B) × height (h)

Both images have the same volume and the same height, therefore the Area of their bases must be equal to each other.

Area of the triangle

A=\dfrac{1}{2}\cdot b \cdot h\\\\.\quad=\dfrac{1}{2}\cdot 8 \cdot 9\\\\.\quad= 36

Area of a square

A = s²

36 = s²

6 = s

6 0
4 years ago
The city of Raleigh has 9,200 registered voters. There are two candidates for city council in an upcoming election: Brown and Fe
sukhopar [10]

Answer:

A) The population of this survey is the registered voters in the city of Raleigh.

B) 9500

C) 200

D) 0.325

E) 3088

Step-by-step explanation:

A) The population of this survey is the registered voters in the city of Raleigh.

B) Population size can be defined as the total number of individuals in a population. Here the total number of individuals are the registered voters in the city. Therefore the size of the population is 9500.

c) Sample size is defined as the number of individual samples in a statistical test. Here the sample size is the 200 randomly selected registered voters. It is denoted as "n".

d) The sample statistic for the proportion of voters surveyed who said they'd vote for Brown would be:

p' = voters for brown / sample size

p' = \frac{65}{200} = 0.325

The sample statistic for the proportion of voters surveyed who said they'd vote for Brown is 0.325

E) The expected number of voters for Brown based on the sample:

0.325 * 9500 = 3087.5

Approximately 3088

The expected number of voters for Brown based on the sample might be 3088 voters.

7 0
3 years ago
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