1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Mazyrski [523]
2 years ago
12

Help this is due tomorrow

Mathematics
2 answers:
nlexa [21]2 years ago
8 0

Answer:

n = 1.40 (second option)

kolezko [41]2 years ago
4 0

Answer:

The choice second;

n = 1.40

Step-by-step explanation:

0.7n + 0.8n = 2.1 \\ 1.5n = 2.1 \\  \\ n =  \frac{2.1}{1.5}  \\  \\ n =  \frac{21}{15}  \\  \\ n = 1.4

I hope I helped you^_^

You might be interested in
What is The productöt 9 and 5/8 ?
Karolina [17]

Answer: 45/8 or 5 5/8

Step-by-step explanation:

9   5 = 45

1    8 = 8

45/8=5 and 5/8

8 0
3 years ago
If an intravenous fluid is adjusted to deliver 15 mg of medication to a patient per hour, how many milligrams of medication are
adelina 88 [10]

Answer: 0.125 mg per half minute

Step-by-step explanation:

15mg per hour can be written as 15mg/h

To find out how many mg of medication are delivered per half minute you can convert from hour to minutes

There are 60 minutes in 1 hour, so you can use the conversion factor (1h/60 min) and multiply the expression by it

15 mg/h (1h/60min) = 0.25 mg/min

But the question is per half minute so you have to multiply and divide the previous expression by 0.5 (To obtain 0.5 min in the denominator, which is half minute)

Then,

(0.25 mg/min ) (0.5/0.5) = 0.125 mg/ 0.5 min (0.125 mg per half minute)

8 0
3 years ago
HEEEEEEEEEEEEEEEEEEEEEEEEEEELLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
Bingel [31]
2(2/5+1/5)=2•3/5=6/5=1 1/5
Answer is C
8 0
3 years ago
I NEED AN EXPERT ON SURFACE AREAS..Ill give extra points and brainless​
natta225 [31]

Answer:

60 is the area

Step-by-step explanation:

you just mult 12x5

7 0
3 years ago
Read 2 more answers
18. The equation of a linear relation is:
horrorfan [7]

Answer:

See below

Step-by-step explanation:

So basically, your orders pairs are like this (x,y) and you're just replacing those variables with the numbers in the equations.

Like such:

3 0
3 years ago
Read 2 more answers
Other questions:
  • How do u graph this?
    6·1 answer
  • The probability that a person chosen at random is at least 15 years old is
    10·1 answer
  • The Wheel Of A Bicycle Has A Diameter of 28. How far will ot travel after one rotation? Round to the nearest Inch
    8·2 answers
  • In a recipe for cookies the ratio of flour to sugar is 3:1 what ratios are equivalent
    12·1 answer
  • Each sales associate at an electronics store has a choice of the two salary options shown below. • $115 per week plus 9.5% commi
    5·1 answer
  • A group of 59 randomly selected students have a mean score of 29.5 with a standard
    11·1 answer
  • Help Please I will Give Brainliest if Correct!!
    5·2 answers
  • Please help me with this question
    9·1 answer
  • Find the area: to the nearest whole number
    10·1 answer
  • Bentley leans a 22-foot ladder against a wall so that it forms an angle of 74 degrees with the ground. How high up the wall does
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!