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
Vesna [10]
3 years ago
8

Find the value of x .

Mathematics
2 answers:
Stels [109]3 years ago
7 0

Answer:

4x+2x=90

6x=90

x=15

Step-by-step explanation:

JulsSmile [24]3 years ago
3 0
I think 15 when you solve
You might be interested in
HELP QUICK!! solve by substitution and show work please
madam [21]

Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:



x= 1, y= -4

7 0
3 years ago
Do the lengths a=9, b=12, c=15 form a right triangle?
GuDViN [60]

Answer:

you need a ruler to measure to draw by using the measurements or number giving to you

6 0
3 years ago
Read 2 more answers
HELP, I need to determine the slope and y-intercept for each group. I need to write an equation for the graph in slope-intercept
Leviafan [203]

Answer

Slope: 3/2

y-intercept: -1

equation: y=3/2x-1

Step-by-step explanation:

Slope = rise/run

y- intercept is where the line intercepts the y axis

6 0
3 years ago
Read 2 more answers
A rectangle has a perimeter of 30 and a length of 10. Find the width.
bonufazy [111]

Answer:

5

Step-by-step explanation:

8 0
3 years ago
Simplify 18 - 2[x + (x - 5)]. please i keep getting it wrong
Juli2301 [7.4K]
18-2[x+(x-5)]
18-2[2x-5]
18-4x+10
28-4x
-7+x  or x-7  <-- Simplified version.
x=7      <-- What x equals.

8 0
3 years ago
Other questions:
  • Determine the x- and y-intercepts of the graph of y=1/4x−2 .
    14·2 answers
  • Solve the equation <br> -3 2/3+b = 8 1/5<br><br> B= 5 3/5<br> B= 4 4/5<br> B= 11 3/5<br> B= 11 1/5
    9·1 answer
  • PLZ HELP ME OUT How do I know a number is rational or irrational?
    6·1 answer
  • State the zeros of the following. (x- 2) (x - 3) =0
    15·1 answer
  • Please help! I will mark brainliest.
    7·1 answer
  • Please help me answer this!!!
    5·1 answer
  • Can someone help me out with this question as I’m completely stuck
    11·1 answer
  • 2 6/8 in simplest form
    6·1 answer
  • Share 45 in the ratio 1:2.
    9·1 answer
  • The subtotal of your computer purchase was $398.50. If the sales tax rate is 7.25%, how much will you pay in tax for the compute
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!