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vredina [299]
3 years ago
8

Round 56.4789 to the nearest thousandth

Mathematics
2 answers:
kow [346]3 years ago
6 0
56.479 would be the answer the 8 is in the thousandth place and 9 is behind it 9 is over 5 so you round up
kap26 [50]3 years ago
4 0
Bud, it will be 56.479
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timurjin [86]

Answer: y= -4x+13

Step-by-step explanation:

7 0
3 years ago
A recent study was conducted to explore the relationship between the weight of a car and miles per gallon (gas mileage). A linea
k0ka [10]

Answer: a.  iv. The weight of a car can be used to explain about 79.6% of the variability in gas mileage using a linear relationship.

b. ii. There is a fairly strong, negative relationship between car weight and miles per gallon.

Step-by-step explanation:

  • A coefficient of determination (denoted by R²) is a measure in a regression model that determines proportion of the variance in the dependent quantity that is predictable from the independent quantity.
  • It is square of correlation coefficient (R).

Here,   independent quantity = weight of a car  

dependent quantity = miles per gallon (gas mileage)

The coefficient of determination (R²) was reported to be 79.6%.

That means, The weight of a car can be used to explain about 79.6% of the variability in gas mileage using a linear relationship.

  • A correlation coefficient(R) tells about the strength and direction of relation .
  • It lies between -1 and 1.

For the study, the correlation coefficient R is -0.8921.

There is a fairly strong, negative relationship between car weight and miles per gallon.

7 0
3 years ago
Use substitution to solve the system of linear equations. In your final answer, include all of your work.
Anna11 [10]

Answer:

Y=-3

Step-by-step explanation:

4 0
3 years ago
Find the inequality represented by the graph?
Anon25 [30]

Answer:

y \geqslant  - 2x - 5

Step-by-step explanation:

Since the shaded area is above the line and the line is solid, you will use the greater-than-or-equal-to sign.

Not to mention inequalities still have a slope and y-intercept. (In this case, the y-intercept will be -5, since the line crosses the y-axis at that point, and the slope will be -2 because the line is going down 2 units and to the right 1 unit.)

Hope this helps :)

4 0
2 years ago
A paper company needs to ship paper to a large printing business. The paper will be shipped in small boxes and large boxes. Each
Alla [95]

Answer:Number of small boxes shipped = 8

Number of large boxes shipped = 13

Step-by-step explanation:

Step-by-step explanation:

Let x be the number of small boxes and let y be the number of large boxes

According to the first statement, a total of 21 boxes were shipped

Equation 1 will be:

x+y=21

According to 2nd statement, the total weight was 1110 and we know the weight of one small box is 25 and large box is 70

Equation 2 will be:

25x+70y=1110

Use the substitution method for solving the equation

Putting the value of x in equation 2  

25(21-y) +70y =1110

525-25y+70y = 1110

45y = 585

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Putting the value of y in equation 1  

x+13 = 21

X = 8

Number of small boxes shipped = 8

Number of large boxes shipped = 13

4 0
3 years ago
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