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Aleksandr [31]
3 years ago
9

Item 8

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
8 0
So, I didn't quite understand your question clearly, but I'll try my best to answer it.

So, the first question is quite simple: Did the runner have a % decrease in his time or an increase.
Well, 7:45 is minor than 5:51. So, his time decreased.

2nd question:
The percent of change. Well, first things first 7:45 has 2 different units, wich are minutes and seconds, I suppose. Same goes for 5:51.
So let's put everything in seconds. multiply both the 7 and 5 for 60(for every minute has 60 seconds.)

That means:
7*60= 420+45 = 465.
5*60=300+51=351.

Now, let's do the math itself:
465 -> 100%
351 -> x%
 Is equal to about  75,5%
How much did it decrease then?
(75,5-100)%= 24,5%, approximately

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Help me pls. I need help with the question
likoan [24]

Answer:

$173.90

Step-by-step explanation:

The most obvious way to answer this question is to multiply $9.40 by 18.5

This would result in 173.90.

But I realize nobody like to deal with decimals in a multiplication problem, so here's the way I would do it (<em>especially if you don't have a calculator!</em>)

The strategy is to break it down!

Multiply $9.40 x 18 hours to start, since this is easier.

9.4 x 18 = 169.2

So, that's $169.20 for 18 hours of work.

We aren't finished, because Abdel worked for 18.5 hours.

So, what half of $9.40?

9.4 / 2

= 4.7

-or-

$4.70

So, knowing that Abdel makes $4.70 in half an hour, lets just add that onto the $169.20 we got earlier.

169.2 + 4.7 = 173.9

-or-

$173.90 for 18.5 hours of work!

8 0
3 years ago
What is is distance between (0,2) and (5,2)
likoan [24]
5 units. The only variable changing is x so it's just 5 units up from the second coordinate
3 0
3 years ago
I need this answer too please help
VMariaS [17]

Answer:

x = 6

Step-by-step explanation:

When 2 chords of a circle intersect then the product of the parts of one is equal to the product of the parts of the other, that is

2x = 3 × 4, that is

2x = 12 ( divide both sides by 2 )

x = 6

7 0
3 years ago
You are a member of a darts team and they have won £1750 prize money in a competition. £70 is to be saved for a celebration part
grandymaker [24]
Most of the information's that are required for solving this question is already given in the question. It is important to check them minutely before trying to solve the problem in hand.
Amount of prize money won by the darts team = 1750 pounds
The amount of money that needs to be saved = 70 pounds
Then
Amount of money remaining after savings = (1750 - 70) pounds
                                                                     = 1680 pounds
The number of  team members in the darts team = 14
So
The amount of money
that each members of the darts team gets = 1680/14
                                                                     = 70 pounds
From the above deduction we can easily conclude that each member of the darts teams will get an amount of 70 pounds.
7 0
3 years ago
Read 2 more answers
Show full workout <br>Change the following bases to decimal<br>a. 101011<br>b. 2373​
Lubov Fominskaja [6]
B I think if I’m wrong I sooooo sorry
4 0
3 years ago
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