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3 years ago

Relationship B has a greater rate than Relationship A. The graph represents Relationship A.

Mathematics

1 answer:

lilavasa [31]3 years ago

3 0

As the graph is basically y = 2x then <span>all the answer with a higher slope are meant to be equations that represtn relationship B. So the answers will be the second one: y=2.2x and the fourth one y= 3x</span>

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Nan buys a greeting card for 2 dollars and 29 cents. She pays with three $1 bills.

Alexandra [31]

Answer:

71 cents

Step-by-step explanation:

7 0

3 years ago

A teacher graded the tests for each of her students. She calculated a mean grade of 80 and a

son4ous [18]

Answer:

Katrina got 86 in her test

Step-by-step explanation:

given

mean = 80

standard deviation = 3

z-score = 2

Let score of Katrina = x

Recall z-score is calculated by

z-score = (x-mean) / standard deviation

substitute values and solve for x

2 = (x-80)/3

x-80=6

x = 86

7 0

3 years ago

Solve these recurrence relations together with the initial conditions given. an = an−1 + 6an−2 for n ≥ 2, a0 = 3, a1 = 6

liberstina [14]

Answer:

Please see attachment

Step-by-step explanation:

Please see attachment

7 0

3 years ago

Y varies directly as x, and y=24 when x=3

trasher [3.6K]

I hope this helps you

when x=3 y=24

x/y=3/24

x/y=1/8

y=8x

5 0

4 years ago

Calculate the infant mortality rate (per 1,000 live births) from the following data:________.

Mademuasel [1]

Answer:

Between 1991 and 2013, the infant mortality rate in the United States declined from 8.943% to 5.708 %

Step-by-step explanation:

From the information given:

The number of infant deaths under 1 year in the United States during 1991 = 36,766

The number of live births during 1991 = 4,111,000

$Infant \ mortality \ rate \ in \ 1991 = \dfrac{Number \ of \ deaths \ under \ 1 \ year}{Total \ number \ of \ live \ births \ in \ 1991} * 1000$

$Infant \ mortality \ rate \ in \ 1991 = \dfrac{36766}{4111000} * 1000$

Infant mortality rate in 1991 = 8.943%

From the data of year 2013 in the United States Record, 23,446 infants died under one year

$Infant \ mortality \ rate \ in \ 1993= \dfrac{23,466}{4111000} * 1000$

Infant mortality rate in 1993 = 5.708 %

Between 1991 and 2013, the infant mortality rate in the United States declined from 8.943% to 5.708 % which is approximately 3%

6 0

3 years ago

Read 2 more answers