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
Andreyy89
2 years ago
15

If 2x and (4x+30) are complementary angles. find the angles. Please answer it it's urgent.

Mathematics
2 answers:
Alik [6]2 years ago
6 0

Answer:

20 ,70

Step-by-step explanation:

Complementary angles sum up to 90

2x + 4x + 30 = 90

     6x  + 30 = 90

Subtract 30 from both sides

6x = 90 - 30

6x = 60

x = 60/6

x = 10

2x = 2*10 = 20

4x +30 = 4*10 +30 = 40 +30 = 70

Masteriza [31]2 years ago
4 0

Answer:

20 and 70

Step-by-step explanation:

2x + 4x + 30 =90

6x=90-30

6x=60

x=60/6x

x=10

so, 2x= 20 and 4x=40

20,70

You might be interested in
How do i solve this question
Ludmilka [50]

Answer:

a\frac{c}{8\pi  b}

Step-by-step explanation:

Divide both sides by 8\pi b

\frac{8\pi ab}{8\pi b} =\frac{c}{8\pi b}

Simplify:

a\frac{c}{8\pi  b} ; a\frac{c}{8\pi  b}; b\neq 0

8 0
3 years ago
Write an expression to match the words three times the sum of 8and 4
vfiekz [6]
3x8+4 because 3 times so that is 3 x the sum of 8 and 4 so 8+4 together it would be 3x8+4
5 0
3 years ago
Read 2 more answers
Of the 50 students in Mr. Mitchell’s classes, 60% are girls. On Friday,20 %
Maurinko [17]

Answer:

6

Step-by-step explanation:

60% of 50 is 30 and 20% of 30 is 6

3 0
3 years ago
Find the length of a side of a square if its area is m^2 square units
zimovet [89]

Answer:

m

Step-by-step explanation:

Square area: m²

The formula for finding the square area: m×m=m²

m²=√(m²)=m

one side of the square is equal to m

4 0
3 years ago
The middle school dance team had 2 separate car washes on Saturday to raise money for new uniforms. The Main Street location rai
rosijanka [135]

Answer:

$465 at Back Street

$515 at Main Street

Step-by-step explanation:

980 (total) - 50 (the difference between the two) = 930

930/2 = 465 (back street)

465 + 50 (the difference) = 515 ( main street)

CHECK: 465 + 515 = 980

6 0
3 years ago
Other questions:
  • What's the solution for 2x 7y=2 x y=-1
    7·1 answer
  • How can you use the multiplication property of equality to rewrite the equation 0.6x+4.8=7.2 so that the numbers in the problem
    6·1 answer
  • What is the equation of a line that is parallel to x=−5 and that passes through the point (1,4)
    13·1 answer
  • Find the five number summary of the following data set : 12,15,9,17,16,10,11,4,8,9,20,12
    6·2 answers
  • The height of a wooden pole, h, is equal to 20 feet. A taut wire is stretched from a point on the ground to the top of the pole.
    6·1 answer
  • Write an integer to describe the situation AND explain the meaning of zero. RISING 7 DEGREES
    7·1 answer
  • PLEASE HELP. NO SCAMMERS
    12·1 answer
  • To find the x-intercept, we let y = 0 and solve for x and to find y-intercept, we let x=0 and solve for y. Figure out the x-inte
    13·1 answer
  • How to multiply 21 x 25 in oldschool way
    15·1 answer
  • (09.06 MC) A mechanic gives a survey to all of his customers asking them to rate the quality of the service they received. He th
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!