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
liubo4ka [24]
3 years ago
7

Please help- Show ur work,, and please answer correctly I will also give brainliest

Mathematics
1 answer:
Marrrta [24]3 years ago
7 0

Answer:

x = -4.

n = -2.

v = -5.

Step-by-step explanation:

18 = -4x + 2

18 - 2 = -4x

x = 16/-4

x = -4.

6 + 2n = 2

2n = 2 - 6 = -4

n = -2.

5v + 8 = -17

5v = -17 - 8

5v = -25

v = -5.

You might be interested in
Rachel earned $2198 in 7 years on an investment at a
iris [78.8K]

Answer:

87,92

Step-by-step explanation:

7 0
3 years ago
A physician orders penicillin 525,000 units q4h for a child who weighs 55 lbs. The recommended dosage is 100,000 250,000 units/k
Nitella [24]

Answer:

a. 24.9476 Kg.

b. The safe daily dosage range is between 2494760 units /day and 6236900 units/day

c. Yes

Step-by-step explanation:

a. Lets see the convertion from lb to Kg:

  • 1 Lb= 0.453592
  • 55 lb = 0.453592*55= 24.9476 kg

b. Minimum daily dosage is 100,000 units /kg

  • For this kid: 100,000 * 24.9476= 2,494,760 units/ day
  • in 6 dosis; 2494760/6= 415,793.33 units every 4 hours

Maximun daily dosage is 250,000 units /kg

  • For this kid: 250,000 * 24.9476= 6,236,900 units/ day
  • in 6 dosis; 6,236,900/6= 1,039,483.33 units every 4 hours

c: Yes, because 525.000 units every 4 hours is between the minimun and maximun dosaje for this kid

4 0
3 years ago
Every school day Dylan writes the school bus 4.79 mi round trip between home and school estimate the total distance Dylan wrote
Jet001 [13]

Answer:

100.59\ \text{miles}

Step-by-step explanation:

The distance traveled by Dylan every day is 4.79 miles

Let the number of days he went to school be x

Distance traveled by Dylan in a month is given by

y=4.79x

Total number of days Dylan went to school last month is 21

The distance traveled by Dylan last month was y=4.79\times 21=100.59\ \text{miles}

6 0
3 years ago
Please show your work.<img src="https://tex.z-dn.net/?f=Simplify%3A%20%E2%88%922x%20%2B%20%289x%20%E2%88%92%204%29" id="TexFormu
Vlad1618 [11]

Answer:

7x - 4

Step-by-step explanation:

-2x + (9x - 4)

-2x + 9x -4

9x - 2x = 7x

7x - 4

Brainliest

4 0
3 years ago
Solving 2 step &amp; multi step equations
Artist 52 [7]
3x + x - 2 = -14
Add two to both sides
3x + x = -12
4x = -12
x= -3
8 0
3 years ago
Other questions:
  • Change the fraction 93/1,000 to a decimal.
    14·2 answers
  • What is the volume of a sphere with radius of 16 inches?
    13·2 answers
  • You are paid 82.50 for 71/2 hours of work what is your rate of pay
    7·2 answers
  • at 1:30 in the afternoon an old freight train and a new dart express train pull out of the new garland station going in opposite
    6·1 answer
  • The population of Bulgaria has been decreasing at the annual rate of 0.89%. if the population of Bulgaria was about 7,450,349 in
    6·1 answer
  • Make x the subject of the formula
    10·2 answers
  • please help :( please help :( please help :( please help :( please help :( please help :( please help :( ​
    11·1 answer
  • What is the answer for <br> k + 0 = k
    8·1 answer
  • In an auditorium, of the students are fifth graders, are fourth graders, and of the remaining students
    9·2 answers
  • A cube has side length a. The side lengths are decreased to 40% of their original size. Write an expression in simplest form for
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!