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strojnjashka [21]
3 years ago
15

Help please can y’all please answer 4-6 please

Mathematics
1 answer:
Stels [109]3 years ago
7 0

Answer:

4. the circumference = approx. 21.99

5. 30 feet

6. 150.8 feet

Step-by-step explanation:

4: 3.5*π*2= 21.99

5:. 1800÷60= 30

6. circumference equals approx. 37.7 feet and I multiplied that by 4 because the boy went around 4 times

hope this helps <3

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Y=-2x graphed. had to put more words to put this out
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y = mx + b

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slope=\frac{rise}{run}

Rise is the number of units you go up(+) or down(-)

Run is the number of units you go to the right


y = -2x

This has a y-intercept of 0, so the line intersects the y-axis/goes through the origin at (0,0)

The slope is -2 or \frac{-2}{1}, so from each point, you go down 2 units, and to the right 1 unit.

5 0
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PLS HELP ASAP THANKS ILL GIVE BRAINLKEST PLS THANKS PLS ASAP
PIT_PIT [208]

Answer:

(-2, -9)

explanation:

original coordinates of B: (7, 9)

use the formula: (x, y) ---> (x, -y)

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If horizontally shifted there will be change in x axis,

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3 years ago
Brett bought three pairs of jeans and five polo shirts. the jeans that regularly sell for 79$ were 35% off and the polo shirts t
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The change he got back was $30.20
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Read 2 more answers
Using a proportion, what can you infer about the number of households in her town that have more than three children?
eduard

Answer:

About 296 households have more than three children.

Step-by-step explanation:

The complete question is:

Carmen used a random number generator to simulate a survey of how many children live in the households in her town. There are 1,346 unique addresses in her town with numbers ranging from zero to five children. The results of 50 randomly generated households are shown below. Children in 50 Households Number of Children Number of Households 0 5 1 11 2 13 3 10 4 9 5 2 Using a proportion, what can you infer about the number of households in her town that have more than three children? About 242 households have more than three children. About 269 households have more than three children. About 296 households have more than three children. About 565 households have more than three children.

Solution:

The data provided for the number of children and number of households is:

Number of Children (<em>X</em>)          Number of Households (<em>f</em> (X))

               0                                                   5

               1                                                    11

               2                                                   13

               3                                                   10

               4                                                    9

               5                                                    2

           TOTAL                                             50

Compute the probability of households having more than three children as follows:

P (More than 3 children) = P (4 children) + P (5 children)

                                        =\frac{9}{50}+\frac{2}{50}

                                        =\frac{11}{50}

                                        =0.22

Let the random variable <em>Y</em> be defined as the number of households having more than three children.

The probability of the random variable <em>Y </em>is, <em>p</em> = 0.22.

The entire population, i.e. total number of addresses in Carmen's town with numbers ranging from zero to five children, consists of <em>N</em> = 1,346 households.

Compute the expected number of households having more than three children as follows:

E(Y) =N\times p

         =1346\times 0.22\\=296.12\\\approx 296

Thus, about 296 households have more than three children.

4 0
3 years ago
Uh, help? My quarantine brain does not understand.
atroni [7]
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For question 7, the y column would be 2,2,0,-2
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