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
sasho [114]
3 years ago
7

Help me plzzzzzzzzz solve for x

Mathematics
1 answer:
Svet_ta [14]3 years ago
4 0

Answer:

7) \frac{x+20}{x}=\frac{46}{30}

30(x+20)=46x

30x+600=46x

46x-30x=600

16x=600

x=75/2

x=37.5

---------------------

8) \frac{10}{3x+1} =\frac{22}{7x-1}

10(7x-1)=22(3x+1)

70x-10=66x+22

70x-66x=22+10

4x=32

x=\frac{32}{4}

x=8

<u>---------------------</u>

hope it helps...

have a great day!!

You might be interested in
What is 128,073 to the nearest thousand
slega [8]
128,000 I believe is the answer
3 0
3 years ago
Find the value of x. 3x, 2x, 55
SOVA2 [1]

The sum of the measures of the angles in a triangle is 180°.

Therefore we have the equation:

2x° + 3x° + 55° = 180°

5x° + 55° = 180°    <em>subtract 55° from both sides</em>

5x° = 125°     <em>divdie both sides by 5</em>

x° = 25°

<h3>Answer: x = 25</h3>
7 0
4 years ago
What percent of 4c in each expression? <br> 0.2c
Ymorist [56]

The percentage of 4c in the expression 0.2c is 2000%

<h3>How to determine the percentage of 4c?</h3>

The expression is given as:

0.2c

The percentage of 4c is then calculated as:

4c/0.2c

Evaluate the quotient

20

Express as percentage

2000%

Hence, the percentage of 4c in 0.2c is 2000%

Read more about percentages at:

brainly.com/question/843074

#SPJ1

7 0
2 years ago
An electrician charges a set fee of $50 for every house call and then charges an additional hourly rate. One day, the electricia
Serhud [2]

Answer:

50+5t=C

Step-by-step explanation:

Suppose the electrician spends t hours at the house working.

Amount charged for every house call by electrician = $50

The electrician earned a total of $400 for a 5 hour job.

Also, C denotes total cost of the electrician's services.

So, the equation for C in terms of t is given below.

50+5t=C

Here, C=400

7 0
4 years ago
while on vacation, Erika bought 6 postcards, which was twice as many postcards as Nathan bought. Samantha bought 4 times as many
Vesnalui [34]
The answer is 12, I believe.
5 0
3 years ago
Read 2 more answers
Other questions:
  • My age if I am half as old as two more than twice Mack's age if Mack is m years old.
    15·1 answer
  • A movie rental service is $5 a month after a one time start up fee of $60. Wrote an equation in slope-intercept form modeling th
    7·1 answer
  • A 2-column table with 9 rows. The first column is labeled year with entries 1970, 1975, 1980, 1985, 1990, 1995, 2000, 2005, 2010
    14·1 answer
  • Find an equation of the plane. the plane that passes through (9, 0, −1) and contains the line x = 5 − 4t, y = 1 + 5t, z = 4 + 2t
    7·1 answer
  • A room is 20 feet long by 10 feet wide. A map says that
    6·1 answer
  • Can someone please help me write the rule for this table and explain how you did it? Its a small part of my project and I'm not
    11·1 answer
  • Evaluate 150 + 3p for p = 30
    7·2 answers
  • Find the expression for f(x) that makes the following equation true for all values of x 9^x⋅3^x+2=3^f(x).
    11·1 answer
  • A car traveled 36 miles in 45 minutes.the car traveled at a constant speed.if the car continues to travel at this rate,which equ
    10·1 answer
  • 74.88 x 8 rounded to the nearest cent
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!