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Anna11 [10]
2 years ago
11

HELP PLS THIS IS HARD

Mathematics
1 answer:
aleksley [76]2 years ago
4 0

Answer:

quadrilateral EFGH is reflected about the x-axis

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Find the solution of the system of equations.<br> -3x – 2y = -6<br> 7x + 6y = 26
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Answer:

(-4,9)

Step-by-step explanation:

i hope this helps :)

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A casino riverboat travels up the Mississippi Rive at 12 mph and then back to its original port at a rate of 15 mph. The round t
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Speed up to Mississippi Rive = 12 mph

Speed back to original port = 15 mph

Total time taken by the riverboat = 7.5 hours

Total distance covered = ?

We know that the distance covered each side would be the same.

So Distance up to Mississippi Rive = Distance back to original port

⇒ {\text} Speed up to Mississippi Rive * Time taken to reach Mississippi Rive = Speed back to the original port * Time back to the original port .......... (i)

Let Time taken to reach Mississippi Rive = x .............. (ii)

⇒ Time taken to reach back to original port = 7.5 - x .......... (iii)

Substituting (ii) and (iii) in (i)

⇒ {\text} 12 * x = 15 * (7.5 - x)

⇒ {\text} 12x = 112.5 - 15x

⇒ {\text} 27x = 112.5

⇒ {\text} x = [tex]\frac{112.5}{27} [/tex]

Using value of x to determine distance traveled:

Distance Traveled up to Mississippi Rive = {\text}Speed up to Mississippi Rive * Time taken to reach Mississippi Rive

⇒ Distance Traveled up to Mississippi Rive = {\text}12 * \frac{112.5}{27}

⇒ Distance Traveled up to Mississippi Rive = 50 miles

Hence, the riverboat traveled total of 50 + 50 = 100 miles

7 0
2 years ago
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Laura wants to learn more about her new high-school. Which of the following is a statistical question Laura could ask.
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B. Who is the principal

Step-by-step explanation:

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2 years ago
3 &lt; y ⩽ 7 where y is an integer Write down all the possible values of y
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8 0
2 years ago
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This scatter plot shows the relationship between students’ scores on the first exam in a class and their corresponding scores on
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Answer:

D) 2 points

Step-by-step explanation:

Compare a couple of points in the clumps of points and that is your answer

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3 years ago
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