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geniusboy [140]
2 years ago
8

I have many questions and please do not answer unless your absolutely sure!

Mathematics
1 answer:
EastWind [94]2 years ago
6 0

1. 5/3

2. 21/16

3. 6/5

4. 1/12

5. 7/9

6. 25/9

7. 10/9

8. 25/24

9. 3/4

I put all of this in exact form.

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Suppose a horse is galloping at 19 mph toward a clown, and the clown is racing toward the horse on an ATV which can sustain a sp
egoroff_w [7]

Answer:

It will take 1.47 hours for the horse and clown to collide

Step-by-step explanation:

They are driving toward each other, in opposite directions.

So to find their speed of approximation, we add their speeds.

19 mph + 15 mph = 34 mph.

This means that each hour, they are 34 miles closer.

How long it takes for them to find each other if they are 50 miles apart?

1 hour - 34 miles

x hours - 50 miles

34x = 50

x = \frac{50}{34}

x = 1.47

It will take 1.47 hours for the horse and clown to collide

7 0
3 years ago
The manager of a grocery store wants to determine the average amount of money spent at his store as it compares to the average d
JulijaS [17]
For the manager's store

 Population size: 15
 Arithmetic mean (μ): 37.6
 Standard deviation (σ): 11,056

 For the competitor's store
 
 Population size: 15
 Arithmetic mean (μ): 48,533
 Standard deviation (σ): 28,356

 For the manager's store the average is a better representation of the data since it does not have Outlier points in the box diagram. Also the median is close to the average.

 For the competition store the average of the data collected is not as good representation of the data since they are dispersed from the mean with a standard deviation of 28.35. It also presents Outliers points in the box diagram, such as 112 which is very far from the average
7 0
3 years ago
WILL GIVE 40 BRAINLY
irina [24]

Answer:

(3,2)

Step-by-step explanation:

The method of variable substitution is a way of solving a system of equations. It involves solving one equation for a variable and then substituting in the expression that represents the value of the solved variable into the other equation. After doing so, one can solve for the unknown variable and then backsolve for the other variable.

y=-2x+8\\y=x-1

In this system, the second equation is already solved for (y), thus one can substitute that expression into the other equation in the system.

x-1 = -2x + 8

Now solve using inverse operations,

x -1 = -2x + 8\\+2x\\\\3x - 1 = 8\\+1\\\\3x =9\\/3\\\\x = 3

Backsolve to find the value of (y), substitute in the value of (x), and solve for the value of (y).

y=x - 1\\

Substitute,

y=(3)-1

Solve,

y=2

Thus, the answer to this system of equations is the following, (3,2).

8 0
2 years ago
Which of the following equations could be the line of best fit?
Anvisha [2.4K]

Answer:

eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Step-by-step explanation:

eeeeeeeeeeeeeeeeeeeeeeeeeee

8 0
3 years ago
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The equation y = 1/9x relates proportional quantities x and y.
ryzh [129]

Answer:

x = 36

Step-by-step explanation:

4 = 1/9 * x

36 = x

4 0
3 years ago
Read 2 more answers
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