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Artemon [7]
2 years ago
13

Explain how subtracting 4/5 - 3/5 involves subtracting 4 and 3

Mathematics
1 answer:
Vesnalui [34]2 years ago
3 0

Answer:

Explain how subtracting 4/5 - 3/5 involves subtracting 4 and 3

Step-by-step explanation:

Trains A and B, 200 km apart on the same straight track, travel at speeds of 50 km/hr and 65 km/hr respectively. At the end of 1 hour, the distance between the trains could not be

A. 85 km

B. 115 km

C. 185 km

D. 215 km

Apparently, the answer is B.) 115 km, but I need a solution.

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Dinner is $83 tax is 7.5%
Alborosie

Answer:

Tax is $6.64

Step-by-step explanation:

From what we know dinner is $83 and the tax is %7.5

Step 1) Round the %7.5 to %8

Step 2) Turn the %8 into -> 0.08

Step 3) Multiply 0.08 by 83 which is 6.64

Step 4) Add 6.64 with 83

Answer) Together the full price of the meal is $89.64

Hope this helped! :)

3 0
2 years ago
Tammy scored 88, 72, 44 points on her first three test. What must she score in her last test to get at least an average of 70?
lara [203]

Answer:

76

Step-by-step explanation:

(88+72+44+x)/4=70

88+72+44+x=280

204+x=280

x=76

Therefore, Tammy needs to score a 76 on her last test to get at least an average of 70.

5 0
2 years ago
Jerome is writing a number in scientific notation. The number is greater than one million and less than ten million. What will b
fgiga [73]

One million: 10^6

Ten million:  10^7

So the exponent will be anywhere between 6 and 7, inclusive

8 0
3 years ago
Read 2 more answers
I just got back from winter break for my school and I already forgot everything INCLUDING the seriously easy things ;)
Natasha_Volkova [10]

Answer:

112cm

Step-by-step explanation:

4×2=8

8×2=16

4×8=32

8+16+32= 56×2= 112cm

Hope this helps!

7 0
3 years ago
Read 2 more answers
Find the circumference of the circle with the given radius or diameter. (Use 3.14 for it) r=20
iogann1982 [59]

Answer:

C = 2πr = 2 * 3.14 * 20 = 125.6

4 0
2 years ago
Read 2 more answers
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