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
katrin [286]
3 years ago
15

Solve for the value of r help pls

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
3 0

Answer:

r=20

Step-by-step explanation:

since the angle and sum of a straight line is equal to 180, you structure an equation:

180=105+(4r-5)

solve for r

180=100+4r

80=4r

20=r

check answer

4r-5     4(20)-5

80-5

75+105=180

You might be interested in
Find the 75th term of the following6, 10, 14, 18,
enot [183]

Given the sequence:

6, 10, 14, 18,...

We will find the 75th term

The given sequence is an arithmetic sequence

Because there is a constant common differnce

d = 18 - 14 = 14 - 10 = 10 - 6 = 4

The first term = a = 6

The general formula of the arithmetic sequence is as follows:

a_n=a+d(n-1)

Where: n is the nth term

To find the 75th term, substitute with n = 75 and a = 6, d = 4

a_{75}=6+4\cdot(75-1)=302

So, the answer will be the 75th term = 302

7 0
1 year ago
What value of n makes the equation 2(n+1)=-3(n-8)+3 true
LekaFEV [45]
<h3>Solution:</h3>

2(n + 1) =  - 3(n - 8) + 3 \\  =  > 2n + 2 =  - 3n + 24 + 3 \\  =  > 2n + 3n = 24 + 3 - 2 \\  =  > 5n = 25 \\  =  > n =  \frac{25}{5}  \\  =  > n = 5

<h3>Answer:</h3>

5

<h3>Hope it helps.</h3>

ray4918 here to help

4 0
3 years ago
Read 2 more answers
The sum of a number and 3 is 8
Doss [256]

Answer:

5

Step-by-step explanation:

5 0
3 years ago
What is equation for the line that is perpendicular to y-3=-4(x+2) and passes through the point (-5,7)
jekas [21]

Answer:

y-7=1/4(x+5)

Step-by-step explanation:

y-3=-4(x+2)

y=-4x-8+3

y=-4x-5

-----------

y-y1=m(x-x1)

y-7=m(x-(-5))

y-7=m(x+5)

perpendicular means negative reciprocal of the slope,

so the slope will be 1/4

y-7=1/4(x+5)

4 0
3 years ago
11. Crítique Reasoning Jaime wrote
Umnica [9.8K]

Answer:No

Step-by-step explanation: 4.4 - 0.33 = 4.07 so there is no reasoning for it to be 1.1 since it make no sense at all.

5 0
3 years ago
Other questions:
  • At genesee high school, the sophomore class has 60 more students than the freshman class
    11·1 answer
  • Whhats the radius of the box
    5·1 answer
  • A pair of shoes is on sale for 25% off of the regular price. What is the decimal for the amount of the reduction?
    6·1 answer
  • What can you tell about the men’s of each distribution? Plsss help I’m stuck I do not want to get a bad grade on this
    12·1 answer
  • Again I need this question answered I can’t do math
    14·1 answer
  • In professional baseball, each team plays 160 games. After playing half their games, team A has won 60 and team B has won 49. If
    15·1 answer
  • Please help! Brainliest answer gets 10 points! what is x^2+x^4?
    12·1 answer
  • 8x + 4 = 3 (x-1) + 7'
    12·1 answer
  • Why are 7 and 2 like terms? help please!!
    8·1 answer
  • Find function then simplify tje answer
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!