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Mashcka [7]
3 years ago
7

Explain how to find the sum −8.46+5.31.

Mathematics
1 answer:
almond37 [142]3 years ago
7 0

Answer:

-3.15

Step-by-step explanation:First you must line them up

    - 8 . 4 6

+     5 . 3 1

-------------------

     Then you add

   - 8 . 4 6

+     5 . 3 1

-------------------

     3 . 1  5

You get three becuase -8 + 5 is 3.

Hope this helps :)

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Shanelle already has $137 from babysitting. She needs at least $625 for a new tablet. Which inequality best represents this scen
kap26 [50]

Answer:

t + 137 ≥ 625

Step-by-step explanation:

Shanelle already have in her possession the sum of $137 from babysitting.  She requires at least $625 for a new tablet. t is the remaining amount she needs to get the new tablet.

She already has $137 and to get the tablet she needs at least $625 . This means she needs nothing less than or equal to $625 to get the tablet.  Recall t is the remaining amount needed to add to what she has to be able to reach the least amount required to purchase a tablet. Therefore , the sum of t and the amount of money already in her possession should be equal to or greater than $625.

To get the new tablet,

t + 137 ≥ 625

5 0
4 years ago
A shark swims 140 meters in 15.5 seconds what is the sharks average swimming rate in meters per second
tatuchka [14]
140/15.5 = unit rate
140/15.5 = around 9.03
Average swimming rate: 9.03 meters per second
5 0
3 years ago
HELP PLEASE!! ASAP, Find the surface area of the sphere. Round your answer to the nearest hundredth.
k0ka [10]

Answer:

201.06

Step-by-step explanation:

A=4πr2 is the equation (r being radius)

4·π·(4)2≈201.06193

4 0
2 years ago
Anmol got 60 marks out of 80 marks in mathematics what percent marks did he get​
Kay [80]

Answer:

75%

Step-by-Step Explanation:

There are two ways to go about this.

1) We can simply put it as a fraction = 60/80.

  Then since a fraction sign also means division, we divide 60 by 80 = 0.75

  Then to change a decimal into a percentage, we multiply by 100% = 75%

  So our answer is 75%

2) We can simply it after it is put into a fraction = 60/80 = 3/4

   It should be common knowledge that 3/4 is 75% depending on what                 grade you are in.

But there you have it, whichever way you prefer, the answer is always 75%.

3 0
3 years ago
Is this true for false?
elena-14-01-66 [18.8K]

Answer:

i believe true

Step-by-step explanation:

sorry if wrong

4 0
3 years ago
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