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
In-s [12.5K]
3 years ago
9

Find the value of the variable, x

Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
7 0

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

2x + 3 = 45

Subtract sides 3

2x + 3 - 3 = 45 - 3

2x = 42

Divide sides by 2

\frac{2}{2} x =  \frac{42}{2}  \\

x = 21

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Thus the correct answer is the last option.

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

kumpel [21]3 years ago
3 0

Answer:

The value of x is 21.

Step-by-step explanation:

The angles of a triangle all add up to 180 degrees. One side has an angle of 90 (right angle). So to find the others you would subtract 180 from 90 and divide it by 2. And you will get 45, so both acute angles will be 45 degrees.

If you subsitute 21 for x you will get 2*21 + 3 = 45, which is true (42 + 3 = 45)

please mark brainliest

You might be interested in
Y= 3/4x - 10<br><br> Please Help me ASAP
guajiro [1.7K]

Answer:

solving for x?

if so x=y+133/10

Step-by-step explanation:

7 0
3 years ago
Wes measures the floor area of rectangular living room to replace the carpet with tiles. The room is 12.4 feet long and 9.8 feet
olasank [31]
12.4*2+9.8*2=44.4
Wes needs 44.4 tiles
5 0
3 years ago
When you add 18 to 1/4 of a number. I dont need to solve it but i need to make it an equation. x equals a number. so would the a
erik [133]
Yes, that answer is right, good job.
5 0
3 years ago
2. MONEY Hans opens a savings account by depositing
sineoko [7]

His investment will be worth $1,619.69 in 10 years.

3 0
3 years ago
The Marked price of an article is rupees 5000 .This price is 25% above the cost price. If the article is sold by allowing 10% di
Brilliant_brown [7]

Answer: 13%

Step-by-step explanation:

Step 1:

5000

10% of 5000=500

5% of 5000=250

25%=500+500+250= 1250 rupees

so...

5000-1250= 3750 INR, which is the original price, <u>BEFORE THE 25% WAS ADDED</u>

but..

They only want a 10% discount of the price which is 25% above the cost (5000). So essentially we want to find  15%, because 25%-10%=15%

so if...

10%=500

5%=250

15%=750 INR

this means the price with the 10% discount off 25%= 4250 INR (5000-750)

now we need to find the percentage change. For this we need to subtract the price with the 15% discount with the price BEFORE THE 25% was added

e.g 4250-3750= 500INR

Then.. divide this price with the original price before the 25% was added

e.g 500/3750= 2/15=0.13

So...

Convert 0.13 into a percentage=13%

The PERCENTAGE PROFIT of the owner is 13%

P.S Please could someone double check this answer as I am only 15 years old and may have gotten some working out wrong! Thank you

3 0
3 years ago
Other questions:
  • The graph of the function f(x) = (x +2)(x + 6) is shown below. What is true about the domain and range of the function? The doma
    12·2 answers
  • On a graph with y values ranging from 1020 to 9192 what is a reasonable scale to use on a y axis with 10 marks?
    9·1 answer
  • A local pizzeria sold 55 pizzas yesterday.
    11·2 answers
  • Which product will result in a sum or difference of cubes?
    10·1 answer
  • Find the slope of the line y=9x
    5·1 answer
  • Mona inherits her mother's personal residence, which she converts to a furnished rent house. These changes should affect the amo
    9·1 answer
  • 8 -2<br> —<br> 3p4<br> What is equivalent to the expression?
    9·1 answer
  • |18| what is the absolute value?
    8·1 answer
  • HELP!
    7·2 answers
  • 1+1=<br> Easy question :&gt;
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!