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Rama09 [41]
3 years ago
7

3.)

Mathematics
1 answer:
kotykmax [81]3 years ago
5 0

Answer:

Let’s find out...

Step-by-step explanation:

21 x 13 = 273

(13 x 20) + (13 x 1) =

260 + 13 = 273

So this one matches

(21 x 10) + 213 =

210 + 213 = 423

Does not match

(30 x 13) - (9 x 13) =

390 - 117 = 273

This one matches

(20 x 10) + (1 x 3) =

200 + 3 = 203

Does not match

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How fast was a plane flying if it traveled 40 kilometers in 30 minutes​
dangina [55]

Answer:

80 km/hr

Step-by-step explanation:

0.5 hour = 30 min

40 km in 30 min

80km in 60 min

4 0
3 years ago
I forgot how to divide fractions properly. please send help.
Mamont248 [21]

Answer:

2.5 or 10/4

Step-by-step explanation:

2÷4/5  

Integers can be fractions. Which are just the summation of equal parts. So integers can be written in any fractional form as you like,

2/1÷4/5

But turning your fraction into an integer is not enough to divide, you must first use the reciprocal form of your dividend. and then you multiply to obtain your answer. (The reason is that division is multiplication of the reciprocal)

2/1×5/4

And tadaa! you get your answer

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You can also simplify it!

5/2

6 0
3 years ago
Read 2 more answers
Drag and drop each verbal phrase next to the algebraic expression that models it.
Aleksandr-060686 [28]

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Step-by-step explanation:

6 0
3 years ago
Okay so Circle A is intersected by lines Lm and MO. What is the measure of Angle LMO
nata0808 [166]
The answer is 48.5, did a question similar to this on a quiz and got it right
5 0
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A runner sprints 100m at 8m/s what is time?
bonufazy [111]

Answer:

12.5 sec

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