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2 years ago

Equations and Slope

Mathematics

1 answer:

disa [49]2 years ago

6 0

Answer:

Step-by-step explanation:

Find the min, Q1, median, Q3, and Max of the data given.

✔️Arrange the data in an ordered manner:

27, 33, 33, 34, 35, 37, 37, 38, 38, 40, 43, 44, 48, 52, 57

✔️Min = 27

✔️Q1 = the 4th data set = 34

✔️Median = the 8th data set = 38

✔️Q3 = 12th data set = 44

✔️Max = 57

Therefore, the box plot that has all these values represented corrected is the box plot in the last option (D).

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Kenyon ran for 8 miles each week while training. Here is his record of the number of miles he ran.

diamong [38]

Step-by-step explanation:

Let x be the miles Kenyon ran on tuesday

Let y be the miles Kenyon ran on thursday

Given,

Mon + Tues + Wed + Thu = 8mi

$1.2 + x + 1.6 + y = 8 \\ 2.8 + x + y = 8 \\ x + y = 8 - 2.8 \\ x + y = 5.2$

also given,

$y = x + 0.4 \\ - x + y = 0.4$

Now we have x + y = 5.2 as equation 1 and -x + y = 0.4 as equation 2

Using equation 1,

$x + y = 5.2 \\ x = 5.2 - y$

Substitute this equation into equation 2.

$- (5.2 - y) + y = 0.4 \\ - 5.2 + y + y = 0.4 \\ - 5.2 + 2y = 0.4 \\ 2y = 0.4 + 5.2 \\ 2y = 5.6 \\ y = 5.6 \div 2 \\ = 2.8mi$

Substitute y = 2.8 into equation 1.

$x + 2.8 = 5.2 \\ x = 5.2 - 2.8 \\ = 2.4mi$

Therefore Kenyon ran 2.4 miles on tuesday, and ran 2.8 miles on thursday.

8 0

1 year ago

Help<br> 12-20. PLEASE SHOW YOUR WORK!!<br> Homework is due tomorrow.

Digiron [165]

Answer:

12.)-5

13.)-16

14)-20

15)6

16)-13

17)1

18)-13

19)15

20)-10

Step-by-step explanation:

12.)-x=2+3

x=5/-1

so,x=-5

13.)-4=(-2×8+x)/8

-4×8=-16+x

-32+16=x

so,x=-16

14)(7×4+m)/4=2

28+m=8

so,m=-20

15)4n=34-10

n=24/4

so,n=6

16)-2a=22+4

a=26/-2

so,a=-13

17)a+3=2×2

a=4-3

so,a=1

18)-133+3=10x

-130=10x

so,x=-13

19)4+1=v/3

5*3=v

so,v=15

20)1=3+r/5

now,

Take LCM,

We get,

1=(3*5+r*1)/5

now,

by moving 5 into LHS

We get,

1*5=15+r

5=15+r

by moving 15 into left hand side,

We get ,

5-15=r

so,r=-10 because when we subtract smaller from bigger we have to take the sign of bigger.

7 0

3 years ago

Help me please, thank you ! :)

devlian [24]

It’s either A or B mate I’m really not sure

6 0

2 years ago

Indicate the correct alternative. The expression (10%) ² - (5%) ² is equivalent to:

Tanzania [10]

Convert 10% into a decimal
(0.1)^{2} - (5%)^{2}

Remove parentheses around 0.1
0.1^{2}-(5%)^{2}

Raise 0.1 to the power 2 to get 0.1
0.01-(5%)^{2}

Convert 5% to a decimal
0.01-(0.05)^{2}

Remove parentheses around 0.05
0.01-0.05^{2}

Raise 0.05 to the power of 2 to get 0.0025
0.01-1*0.0025

Multiply -1 by 0.0025 to get -0.0025
0.01-0.0025

Subtract 0.0025 from 0.01 to get 0.0075

You Answer is: 0.0075

5 0

2 years ago

Danny jump rope is 6 meters long. how many decimeters is his jump rope

Ksivusya [100]

Answer:

60 decimeters

3 0

2 years ago