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Anettt [7]
2 years ago
10

A car takes 4 hours to cover a certain distance, travelling at a speed of 120 km/h. How long will the car take if it travels at

a speed of 80km/h?
Mathematics
2 answers:
photoshop1234 [79]2 years ago
5 0
So the answer will be like
Let the time taken be x
4:120::x:80
120x= 80*4
x = 80*4/120
x=8/3
x= 2 2/3
muminat2 years ago
4 0

Answer:

3/8 hours

Step-by-step explanation:

distance=speed/time=120/4=30km

time=distance/speed=30/80=3/8

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HELP ASAP 10 POINTS TO BRAINLIEST
Brilliant_brown [7]

Answer:

15%

Step-by-step explanation:

The cost of 2 adults and 2 children without the discount is

2 adults = 2 (55) = 110

2 children = 2 (45) = 90

Total cost = 110+90 = 200

The original price is 200 and the new price is 170

Percentage discount = (Original price - new price)/ original price * 100%

                                     = (200-170)/200 * 100%

                                     = 30/200 * 100%

                                     = .15 * 100%

                                     = 15%

6 0
3 years ago
Please give answer asap
Drupady [299]

Answer:

9 < √88 < 10

Second one

Step-by-step explanation:

√81 = 9

√100 = 10

√88 is between √81 and √100

so

√81 < √88  < √100

or

9 < √88 < 10

8 0
3 years ago
Read 2 more answers
Pls Help anyone. Ill will give brainliest and you will get 45 points pls anyone pls ㏒㏒㏒㏒㏒㏒
frosja888 [35]
The answer is E: (b-c)(a+c)
3 0
3 years ago
Last question please help me!!!!!!!
Sindrei [870]

Answer:

it's D

Step-by-step explanation:

i just put it into desmos and looked for points, none of the answers appeared, therefore it's D

3 0
3 years ago
Sketch the graph of y = (x + 3)2 – 4 and identify the axis of symmetry.
Sloan [31]

Answer: Thought I’d return the favor and help u with this question! But anyways, the axis of symmetry is at x = -3.

Explanatio: This can be found by looking at the basic form of vertex form:

y = (x - h)^2 + k

In this basic form the vertex is (h, k). By looking at what is plugged into the equation, it is clear that h = -3 and k = -4. This means the vertex is at (-3, -4).

It is a fact that the axis of symmetry is a vertical line of x = (vertex value of x). So we can determine that the axis of symmetry is at x = -3

i hope this helps u

4 0
2 years ago
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