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sp2606 [1]
3 years ago
10

Ming plays video games online. When he signed up with the game site, Ming got 200 points. Ming earns 20 more points for each hou

r that he plays. How many hours does Ming have to play to get to 500 points?
Mathematics
2 answers:
Tamiku [17]3 years ago
3 0
Take 50 and divide it by 2, that will give you 25. Ming will have to play 25 hours of gaming time.
Anna [14]3 years ago
3 0
Your equation would be y, being 500, = 200 + 20(x), with xbeing hours.

500=200+20x
subtract 200 from both sides
300=20x
divide each side by 20
x=15 He would have to spend 15 hours to get 500 points.
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What temperature are<br> 22.7 degrees colder than 96.5 degrees?
Gwar [14]

Answer:

73.8º

Step-by-step explanation:

96.5-22.7=

73.8º

4 0
1 year ago
Read 2 more answers
Help pls need answer asap
Varvara68 [4.7K]

Answer:

Carl traveled 281.25 km by bus and 1,618.75 km by plane.

Step-by-step explanation: v1 = 60 km/h average speed by bus to Toronto

v2 = 700 km/h average speed by plane to Winnipeg

d = 1,900 km the total distance traveled

t = 7 h total traveling time

t1 = the time of the travel by bug

t2 = the time of the travel by plane

t = t1 + t2 the total time

d1 = the distance traveled by bus

d2 = the distance traveled by plane

d = d1 + d2 the total distance

Since average speed = distance/time we have time = distance/avg.speed

t1 = d1/v1 that is t1 = d1/60

t2 = d2/v2 that is t2 = d2/700

Plug the above values into t1 + t2 = t.

We have the following system of equations:

d1/60 + d2/700 = 7

d1 + d2 = 1900

.......

Click here to see the step by step solution for 'd1' and 'd2'

.......

d1 = 281.25 km

d2 = 1,618.75 km

Carl traveled 281.25 km by bus and 1,618.75 km by plane.


7 0
1 year ago
Which statement best explains why the dilation of a triangle produces a similar triangle
Allushta [10]

Dilation always preserves angle measures, the given statement best explains why the dilation of a triangle produces a similar triangle

<u>Step-by-step explanation:</u>

The dilation (similarity transformations) varies the size of the figure. This requires a midpoint and a scale factor k. The k value finds whether it is an increase or decrease.

  • If | k |> 1, the dilation is an extension.
  • If | k | <1 it is reduction.

The absolute value of k determines the size of the new image relative to the size of the original image. If the k is positive, the new and original image is on the same side of the center.

If k is negative, they are on both sides of the center. Its own image is always at the center of development. This support angle size, point equality, and collinearity. Does not maintain distance. In simple, dilation always give similar figures.

6 0
2 years ago
In 2009, the world's largest pumpkin weighed 784 kilograms. An average-sized pumpkin weighs 5,000 grams. The 2009 world-record p
denpristay [2]
First you need to convert grams into kilograms. You know that 1kg=1000g
if 1kg=................. 1000g
   x kg=.................5000g

x=5000/1000 = 5kg
Now you need to find the difference between an average-sized pumpkin and the <span>world's largest pumpkin which is:
784-5=779

So the right answer is 779.</span>
5 0
2 years ago
9) Which figure has 90° rotational symmetry?
IceJOKER [234]
The answer is B. Thank you
6 0
3 years ago
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