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4 years ago

PLEASE HELP ME!!!! 20 POINTS

Mathematics

2 answers:

Anon25 [30]4 years ago

7 0

Answer:

(x, y ) → (x - 6, y - 2 )

Step-by-step explanation:

Given

P(- 10, 1 ) → P'(- 16, - 1 )

Note that the x- coordinate of the image is 6 less than the original and

The y- coordinate of the image is 2 less than the original, thus

(x, y ) → (x - 6, y - 2 )

pentagon [3]4 years ago

5 0

Answer:

2nd option

Step-by-step explanation:

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Translate the following statement into a mathematical equation:

sleet_krkn [62]

(6+4)n =18 is the answer

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3 years ago

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Write 0.83+39 in standard form

SOVA2 [1]

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4 years ago

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The average speed to go by car from home to college is 30 miles per hour. The average speed to go back home from college is 20 m

Levart [38]

Answer:

24 mph for both 60 miles and 40 miles.

Step-by-step explanation:

We need to find how long it takes to get to college and from it.

Speed x time (x) = Distance (60)

30x = 60

x=2

It takes two hours to get to college

20x = 60

x = 3

It takes 3 hours to get back. It's a total of 5 hours, 2 hours at 30mph and 3 at 20. Now we need to find the average

30+30+20+20+20=120

120/5= 24

The average speed for the round trip is 24.

To do the second part, we follow the same process, but replace 60 with 40 for distance.

30x=40

x= 1.33

20x=40

x=2

We can add the total distance and divide by total time to find the average.

The total distance is 80. Time is 3.33

80/3.33=24

The average speed is still 24.

3 0

3 years ago

The model represents 100% of the cost of a trip to the Bahamas. Which model represents the cost of the trip if the trip cost is

Aleks04 [339]

74 / 100 hope this helps

5 0

3 years ago

Solve by the elimination method

Usimov [2.4K]

There is one solution. The solution of the system is (9,-5)

Option A is correct.

Step-by-step explanation:

We need to solve the system of equations by elimination method

$6x= 64+2y\\2x= -7-5y$

Rearranging the equations:

$6x-2y=64\,\,\,eq(1)\\2x+5y=-7\,\,\,eq(2)$

Eliminating y to find value of x:

Multiply eq(1) by 5 and eq(2) by 2 and add both equations:

$30x-10y=320\,\,\,\\4x+10y=-14\\--------\\34x=306\\x=\frac{306}{34}\\ x=9$

So, value of x= 9

Eliminating x to find value of y:

Multiply eq(1) by 2 and eq(2) by 6 and subtract both equations:

$12x-4y=128\\12x+30y=-42\\-\,\,\,\,-\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,+\\---------\\-34y=170\\y=\frac{170}{-34}\\ y=-5$

So, value of y = -5

There is one solution. The solution of the system is (9,-5)

Option A is correct.

Keywords: Solving system of equations

Learn more about Solving system of equations at:

#learnwithBrainly

5 0

4 years ago