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
Andru [333]
3 years ago
5

Find the measures of two complementary angles, ÐA and ÐB, if mÐA = (7x + 4)° and mÐB = (4x + 9)°. Measure of angle A = ... Measu

re of angle B =
Mathematics
1 answer:
Westkost [7]3 years ago
3 0

Answer:

The measure of angle A is 53 degrees

The measure of angle B is 37 degrees

Step-by-step explanation:

Here in this question, we are interested in calculating the measure of the two angle.

When how angles are complementary, it means the sum of both equals 90 degrees

mathematically ;

(7x + 4) + (4x + 9) = 90

7x + 4x + 4 + 9 = 90

11x + 13 = 90

11x = 90-13

11x = 77

x = 77/11 = 7

The measure of angle A = 7x + 4 = 7(7) + 4 = 49 + 4 = 53 degrees

The measure of B = 4x + 9 = 4(7) + 9 = 28 + 9 = 37 degrees

You might be interested in
Janet has read 17 of the 20 books she borrowed from the library. What percentage of the books she borrowed has she read?
Advocard [28]
17 times 5 so 85 percent.......
8 0
3 years ago
What point is on the graph of every direct variation equation
Alexeev081 [22]
Answer: The point (0,0)
This point is also known as the origin

The reason why is because every direct variation equation is of the form y = k*x
where k is some fixed number

If we plugged in x = 0 it leads to y = k*x = k*0 = 0. So (x,y) = (0,0)
4 0
3 years ago
Which fractions are equivalent to 4/5 and 2/7
8090 [49]

Answer: b

Step-by-step explanation:

5 0
2 years ago
What are the answer to these 5 questions this worth 20 points btw
Sunny_sXe [5.5K]
1. 900 gallons will be burned in 3 hours.

2. 50 gallons of gasoline weighs 300 pounds.

3. 2,124 = 59 yards

4. The person weighs 48 pounds

5. 12 people = 6 tablespoons
8 0
2 years ago
Determine the singular points of the given differential equation. Classify each singular point as regular or irregular. (Enter y
Zina [86]

Answer:

Step-by-step explanation:

The given differential equation is:

x^3y'' + 2x^2y' + 4y

the main task here is to determine the singular points of the given differential equation and Classify each singular point as regular or irregular.

So, for a regular singular point ;  x=x_o is  located at the first power in the denominator of P(x) likewise at the Q(x) in the second power of the denominator. If that is not the case, then it is termed as an irregular singular point.

Let first convert it to standard form by dividing through with x³

y'' + \dfrac{2x^2y'}{x^3} + \dfrac{4y}{x^3} =0

y'' + \dfrac{2y'}{x} + \dfrac{4y}{x^3} =0

The standard form of the differential equation is :

\dfrac{d^2y}{dy} + P(x) \dfrac{dy}{dx}+Q(x)y =0

Thus;

P(x) = \dfrac{2}{x}

Q(x) = \dfrac{4}{x^3}

The zeros of x,x^3  is 0

Therefore , the singular points of above given differential equation is 0

Classify each singular point as regular or irregular.

Let p(x) = xP(x)    and q(x) = x²Q(x)

p(x) = xP(x)

p(x) = x*\dfrac{2}{x}

p(x) = 2

q(x) = x²Q(x)

q(x) = x^2 * \dfrac{4}{x^3}

q(x) =\dfrac{4}{x}

The function (f) is analytic if at a given point a it is represented by power series in x-a either with a positive or infinite radius of convergence.

Thus ; from above; we can say that q(x) is not analytic  at x = 0

Q(x) = \dfrac{4}{x^3}  do not satisfy the condition,at most to the second power in the denominator of Q(x).

Thus, the point x =0 is an irregular singular point

6 0
3 years ago
Other questions:
  • In a packing plant, one of the machines packs jars into a box. A sales rep for a packing machine manufacturer comes into the pla
    15·1 answer
  • A party rental company has chairs and tables for rent. The total cost to rent 3 chairs and 2 tables is $18. The total cost to re
    13·1 answer
  • 2-3x=8 what does x equal?
    12·2 answers
  • Is 5/6 closer to 0,1/2,or 1
    12·1 answer
  • Help!! please! i will give brainliest
    15·1 answer
  • A 2-pound bag of sugar contains 227 one-teaspoon servings and costs $2.49. A batch of muffins uses 3/4 cup of sugar. How many wh
    12·1 answer
  • Use the Pythagorean theorem to find the length of the line
    14·1 answer
  • Please I need this asap :)
    12·2 answers
  • Plzzzzzzzzzzz help meee answer plzzzzz
    15·2 answers
  • Mickey buys a shirt for $12 and a pair of shoes for $25. The sales tax rate is 9.25% how much sales tax must he pay? what is the
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!