Help math please. 10 points

1 answer:

Llana [10]3 years ago

5 0

#12 is approximately 6.4

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Nookie1986 [14]

1km goes to 1000 m and 5000 mm goes to 5 m so the answer is 1105

4 0

3 years ago

sineoko [7]

Answer: r=0.8

Step-by-step explanation:

4r + 8 = 7.2 + 5r

8=7.2+r

8-7.2=r

0.8=r

5 0

3 years ago

Mandarinka [93]

Answer:

46?

Step-by-step explanation:

23*2=46

3 0

2 years ago

nirvana33 [79]

15 and 20, because 15+20=35 and 15×20=300

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3 years ago

Natalka [10]

51 problems need to be solved

6 0

4 years ago