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lyudmila [28]
3 years ago
7

Y=4x-18 Ordered pairs

Mathematics
1 answer:
Nitella [24]3 years ago
8 0

There are any number of ordered pairs that work for this equation. Below are some examples.

(0, -18) (2, -10) (5, 2)

In order to find these and any others, you simply select a value for x and plug into the equation to find y. Below is an example.

y = 4x - 18

y = 4(0) - 18

y = 0 - 18

y = -18


(0, -18)

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Monifa makes $11. 25 for 2 hours of babysitting. how much will she make for 4.5 hours of babysitting?
Tomtit [17]
50.625 is the answer You should round it though
3 0
3 years ago
Two cars travel at the same speed to different destinations. Car A reaches its destination in 17 minutes. Car B reaches its dest
Goryan [66]

Answer:

speed of car A =Speed of car B=0.8 miles/minutes.

Step-by-step explanation:

We are given that speed of car A is equal to speed of car B.

Also let car A travels x miles.

and car B travels y miles.

Car A  reaches its destination in 17 minutes.

this means that speed of car A is given by:  \dfrac{x}{17} miles/minutes  ( since speed is defined as the ratio of distance and time).

Car B reaches its destination in 32 minutes.

This means that the speed of car B is given by: \dfrac{y}{32} miles/minutes

as speed of both cars are equal this means:

\dfrac{x}{17}=\dfrac{y}{32}------(1)

Also we are given Car B travels 12 miles farther than Car A.

this means y-x=12

y=12+x------(2)

on using equation (1) and (2) we have:

\dfrac{x}{17}=\dfrac{12+x}{32}\\  \\32x=17(12+x)\\\\32x=17\times12+17x\\\\32x-17x=17\times12\\\\15x=122\times17\\\\x=13.6

Hence the speed of car A is 0.8 miles/minutes  ( since x/17 is the speed of car A)

Speed of car B=0.8 miles/minutes.



8 0
4 years ago
The average birth weight of elephants is 200 pounds. Assume that the distribution of birth weights is Normal with a standard dev
zhenek [66]

The birth weight of elephants at the 85th percentile is 262.16 pounds

<h3>What is the standard deviation?</h3>

Standard deviation is defined as the amount of variation or the deviation of the numbers from each other.

Given that:-

The average birth weight of elephants is 200 pounds    \mu = 200

The deviation of 60 pounds.                                              \sigma = 60

The birth weight of elephants at the 85th percentile.      z = 85%= 1.036

Now from the formula of z-score:-

z=\dfrac{x-\mu}{\sigma}\\\\\\z=\dfrac{x-200}{60}\\\\\\1.036\times 60=x-200\\\\\\x=\ \ 262.16\ pounds

Hence the birth weight of elephants at the 85th percentile is 262.16 pounds

To know more about standard deviation follow

brainly.com/question/475676

#SPJ1

5 0
2 years ago
When you find 36 is 42% of what number, what are you looking for?​
arsen [322]

Answer:

dezzzz nuts

Step-by-step explanation:

im eating poop

5 0
3 years ago
10 times as much as 6000 is 1/10 of
Elina [12.6K]
600,000 i believe . just do 6000x10= 60,000 then times that by 10
8 0
3 years ago
Read 2 more answers
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