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Dvinal [7]
3 years ago
14

Solve for x: 3x - 6y = 9

Mathematics
1 answer:
ZanzabumX [31]3 years ago
6 0
The answer is:
x=3
explanation:
3x=9+6y
x=3+2y
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Elizabeth ran 6 miles in 51 minutes. Assuming she always runs at that pace, how many miles can she run in 30 minutes? Round to t
Dennis_Churaev [7]

Answer: 3.5 Miles

Step-by-step explanation: It would take her 8.5 min to run one mile because 51/6 is 8.5. Then I divided 30 by 8.5 to get 3.52, which is rounded to 3.5 miles in 30 min

Hope this helps :)

3 0
3 years ago
Determine the median and the mode of the set of data below. In your final answer, include all of your calculations. 95, 96, 100,
deff fn [24]
First you want to put them in order from least to greatest.
65, 72, 74, 75, 86, 89, 93, 95, 96, 97, 100.
Now you count the numbers on the left and right until you get to the middle, there is an uneven number so therefor you wont have to do any extra math.
65, 72, 74, 75, 86, 89, 93, 95, 96, 97, 100.  there is 5 on each side 89 being the median. 
Now moving onto the mode. You will need all of them for this not taking out the ones of there being multiple. 
95, 95, <span>96, 100, </span>86, 75, 75, 75, 74, 72, 89, 97, 93, 65 
You need to find the number that there is the most of to find the mode. to do this keep score of how many of each of the numbers there is
95, 95, 96, 100, 86, 75, 75, 75, 74, 72, 89, 97, 93, 65 The most commonly occuring number is 75 in this dataset.
Reviewing our answers.
In the end the median is 89 and the mode is 75
8 0
3 years ago
Read 2 more answers
In ΔMNO, \text{m}\angle M = (6x+1)^{\circ}m∠M=(6x+1) ∘ , \text{m}\angle N = (3x-10)^{\circ}m∠N=(3x−10) ∘ , and \text{m}\angle O
kirill [66]

Applying the triangle sum theorem, m∠N = 41°

<h3>What is the Triangle Sum Theorem?</h3>

Triangle sum theorem states that the sum of the three interior angles of any triangle equals 180°.

Given the following interior angles of ΔMNO:

m∠M = (6x+1)°

m∠N = (3x-10)°

m∠O = (x+19)°

Find the value of x:

m∠M + m∠N + m∠O = 180°

  • Substitute

6x+1 + 3x-10 + x+19 = 180

  • Add like terms

10x + 10 = 180

10x = 180 - 10

10x = 170

  • Divide both sides by 10

x = 17

m∠N = (3x-10)°

  • Plug in the value of x

m∠N = 3(17) - 10

m∠N = 41°

Learn more about triangle sum theorem on:

brainly.com/question/7696843

3 0
2 years ago
The area of a rectangle is greater than or equal to 154 square centimeters. The width of the rectangle is 12 centimeters and the
soldier1979 [14.2K]

Answer:

x ≤ 12.83

(Any number under or equal to 12.8333...)

Step-by-step explanation:

154 ≥ 12x

12.833.... ≥ x

x ≤ 12.83

5 0
3 years ago
Sasha is becoming a stronger runner. Last year she ran five miles in 50 minutes. This year hertimi
Fofino [41]

Answer:

40 minutes

Step-by-step explanation:

50 x (1 - 0.2) = 40

7 0
3 years ago
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