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Gennadij [26K]
3 years ago
10

To train for a race, Scott wants to run 20 miles this week. He runs 14 of the miles on Monday.

Mathematics
2 answers:
nalin [4]3 years ago
4 0

Answer:

Scott will need 3 more to meet his goal

Step-by-step explanation:

aleksklad [387]3 years ago
4 0

Answer:

3 more miles

Step-by-step explanation:

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What is the soulution to this system of linear equation 7x-2y=-6 8x+y=3
tatuchka [14]

Answer:

(0,3)

Step-by-step explanation:

Step 1: 7x-2y=-6             Step 2: 7x-2y=-6    solve by elimination of the y value

           2(8x+y=3)2                     +(16x+2y=6)

Step 3: 23x=0, which means <u>x=0</u>

Step 4: subtitute 0 into the equation 8x+y=3

            you get 8(0)+y=3, which comes to 0+y=3

          you get <u>y=3</u>

therefore the solution to this system is (0,3)

7 0
3 years ago
Organize the following polynomial expressions from least to greatest based on their degree: x 2xyz 3x y z 2x3y y2x − 3x 4 9x3yz
bazaltina [42]

Using polynomial concepts, it is found that the sorting of the polynomial expressions from least to greatest based on their degree is given by: I, III, II, IV.

<h3>What is the degree of a polynomial?</h3>

The degree of a polynomial is given by it's largest exponent.

In this problem, the <em>polynomials </em>are given by:

  • I: x + 2xyz.
  • II: 9x³y².
  • III: 18x² + 5ab - 6y
  • IV: 4x^4 + 3x^2 - x - 4

Hence, the respective degrees are: 1, 3, 2, 4, and the ordering from least to greatest is: I, III, II, IV.

You can learn more about the degree of a polynomial at brainly.com/question/7592815

5 0
2 years ago
Write a function for reflection of point x,y across the y axis
JulijaS [17]

Answer:

Reflection of point 0(x, y) about y-axis = (-x, y)

Step-by-step explanation:

Following are the rules for a counter clockwise rotation of 90 degrees about the origin for a point O(x,y):

1. Invert the sign of the value of x.

2. The value of y-coordinate remains the same.

For example, a point M(h,k) after reflection gives a point M'(-h,k) using the rules given above. The points on the x-y plane are shown in the image attached.

5 0
3 years ago
The manager of a computer retail store is concerned that his suppliers have been giving him laptop computers with lower than ave
lana [24]

Answer:

The probability that 34 randomly selected laptops would have a mean replacement time of 3.2 years or less is 0.0018.

Step-by-step explanation:

Test statistic (z) = (sample mean - population mean) ÷ (population sd/√n)

sample mean = 3.2 years

population mean = 3.4 years

population sd = 0.4 year

n = 34

z = (3.2 - 3.4) ÷ (0.4/√34) = -0.2 ÷ 0.0686 = -2.92

The cumulative area of the test statistic is subtracted from 1 to obtain the probability that 34 randomly selected laptops would have a mean replacement time of 3.2 years or less. The cumulative area is 0.9982. Therefore, the probability is (1 - 0.9982 = 0.0018)

4 0
2 years ago
Read 2 more answers
What is the root of -100 or √−100
bogdanovich [222]

Answer:

The root of -100 is 10i

Step-by-step explanation:

Ten I

3 0
3 years ago
Read 2 more answers
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