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Nitella [24]
3 years ago
8

9n - 8d (n = 3 and d = 2

Mathematics
1 answer:
leva [86]3 years ago
3 0

Answer:

11

Step-by-step explanation:

9(3)-8(2)

27-16

11

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30

Step-by-step explanation:

use calculator LOL

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A chemist needs to mix a 40% hydrochloric acid with a 70% hydrochloric acid to create a 20 oz mixture that is 55% hydrochloric a
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Step-by-step explanation:

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3 years ago
Can someone please help me with my math homework
Natali5045456 [20]
Josephine travels 32500+78000 yards at 60 mph
=110500yards
=62.78miles

time = distance/spped
time = distance/60
time=62.78/60
time=1.05 (1 hour 5 mins)

Marcus travels 78000(2)(square) +32500(2)
= 84500yards
=48 miles

time = distance/speed
time=48/45
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a)Josephine arrives first
b)she arrives earlier by 2 mins.





6 0
3 years ago
Question is in photo
Pepsi [2]

Answer:

d

Step-by-step explanation:

because it asks for up to 30

pls brainliest

8 0
3 years ago
Read 2 more answers
If somebody can give me an explanation on how to do this i would appreciate it!
Natali5045456 [20]

The answer is 4+(9x1/10)+(5x1/1000)

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4 0
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