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Ivahew [28]
3 years ago
11

Simplify this expression; -15k-1+12+2k​

Mathematics
1 answer:
Arlecino [84]3 years ago
3 0

Answer: -13k+11

Step-by-step explanation:

Combine like terms

-15k+2k=-13k

-1+12=11

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8 Darpan runs a distance of 12 km and then cycles a distance of 26 km. His running speed is x km/h and his cycling speed is 10 k
Sonja [21]

The equation in terms of x, for the total time he takes in hours would be 2.48 = 12/x  + 26/10x

<h3>What is speed?</h3>

Speed can be calculated as the ratio of distance traveled to the time taken

Darpan runs a distance of 12 km and then cycles a distance of 26 km.

Total distance = 12 + 26 = 38km

The running speed is x km/h

A = x

The cycling speed is 10 km/h faster than his running speed

B = 10x

He takes a total time of 2 hours and 48 minutes.

So, the total time he takes

Time = Distance x speed

2.48 = 12/x  + 26/10x

10x(2.48) = 120 + 26

24.8x = 146

x = 5.8

Learn more about speed here;

brainly.com/question/7359669

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8 0
1 year ago
Help needed ASAP will give BRAINLIEST not a real test
sineoko [7]

Answer:

I got 20

Step-by-step explanation:

The chance of getting less than 3 is 2/6.

If she rolls the dice 60 times, that means you have to multiply 2/6 by 60.

The answer you would get is 20.

3 0
3 years ago
Bo invests money in an account paying a simple interest of 8% per year. If no money will be added or removed from the investment
inn [45]

Answer:

Calculation:

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then, solving our equation

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Step-by-step explanation:

3 0
2 years ago
Can someone help me with this question? i will mark brainliest
zysi [14]
The answer is 0.9
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3 0
3 years ago
Describe the location of point (−5, −5, 5) in three-dimensional coordinate space.
Diano4ka-milaya [45]
Here's a really cool website that let's you input 3D points!
http://technology.cpm.org/general/3dgraph/

From the attached picture you can see that the point has moved back 5 units, to the left 5 units, and up 5 units.


7 0
3 years ago
Read 2 more answers
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