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
AlekseyPX
3 years ago
11

Find the measure of two complementary angles, a and b, if m a = 7x + 4 and m b =4x + 9

Mathematics
2 answers:
VashaNatasha [74]3 years ago
8 0
Complentary angles add to 90 degrees
a and b are complentary
a+b=90

a=7x+4
b=4x+9
so
7x+4+4x+9=90
combine like terms
11x+13=90
minus 13 both sides
11x=77
divide both sides by 11
x=7

m a =7x+4=7(7)+4=49+4=53
m b=4x+9=4(7)+9=28+9=37

angle a measures 53 degrees
angle b measures 37 degrees
kobusy [5.1K]3 years ago
5 0
A would be 53 and b would be 37.
37 +53 =90 complementary angle =90°
You might be interested in
Indicate whether the statement is true of false.
yawa3891 [41]

The statement is false, as the system can have no solutions or infinite solutions.

<h3>Is the statement true or false?</h3>

The statement says that a system of linear equations with 3 variables and 3 equations has one solution.

If the variables are x, y, and z, then the system can be written as:

a_1*x + b_1*y + c_1*z = d_1\\\\a_2*x + b_2*y + c_2*z = d_2\\\\a_3*x + b_3*y + c_3*z = d_3

Now, the statement is clearly false. Suppose that we have:

a_1 = a_2 = a_3\\b_1 = b_2 = b_3\\c_1 = c_2 = c_3\\\\d_1 \neq d_2 \neq  d_3

Then we have 3 parallel equations. Parallel equations never do intercept, then this system has no solutions.

Then there are systems of 3 variables with 3 equations where there are no solutions, so the statement is false.

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

3 0
2 years ago
Anyoneeee??????????
leva [86]

Your answer will be D

As y = -(x+2)(x-1)

Thus the external negative sign will flip the positive 2 into a negative & negative 1 into a positive; Resulting, y=(x-2)(x+1)

7 0
3 years ago
Read 2 more answers
charlene has eight more dollars than megan. together they have $86.00. write an equation that could be used to determine the amo
xz_007 [3.2K]
Megan has 40 dollars sense charlene has 8 more dollars and the both have 86
5 0
3 years ago
3x+ 15 = 3(x+5) please help!!
Nesterboy [21]

Answer:

infinite solutions

Step-by-step explanation:

3x+15=3(x+5)

distribute

3x+15=3x+15

infinite solutions

4 0
3 years ago
Read 2 more answers
Help me answer correctly !!!! Will mark Brianliest !!!!!!!!!!!!!!!!
mrs_skeptik [129]
Show the question so I can answer it for you.
6 0
3 years ago
Read 2 more answers
Other questions:
  • What is the simplest form of 4a + 8b/12​<br> Step by step pls
    8·1 answer
  • PLEASE HELP!! (only need answers to B and C)
    6·1 answer
  • I think its D but who knows HEEEEELELELLELEELEP
    15·2 answers
  • The hawaiian alphabet has 18 symbols. how many bits are needed to represent just these symbols?
    14·1 answer
  • HELP FAST!!! The Mogul Runners ski club planned a trip to Park City. Of the total number of club members, 11 signed up to go. If
    14·1 answer
  • Two dice are tossed 432 times. How many times would you expect to get a sum of 4?
    15·2 answers
  • I need to simplify x2+2x+1​
    12·2 answers
  • ASAP PLEASE HELP!!!! BRAINLIEST GETS 50 POINTSSSS
    10·2 answers
  • Rewrite the expression with rational as a radical expression
    5·1 answer
  • If 5 songs can be downloaded for $6, what<br> is the cost of seven songs?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!