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
frozen [14]
2 years ago
15

Someone please help asap!!!!

Mathematics
1 answer:
aliina [53]2 years ago
3 0
90=(3r+4)+(8r-2)
90=3r+4+8r-2
90=11r+2
90-2=11r
88=11r
88/11=r
8=r
Answer is r=8
I think???
You might be interested in
Please help, brainliest, thanks, five star
AnnZ [28]

Answer:

<u>2(3x + 4)</u>

Step-by-step explanation:

2 x 3x = 6x and 2 x 4 = 8

7 0
2 years ago
Write the product 3i(5 - 3i) in the form a + bi.
stiks02 [169]

Answer:

9+15i

Step-by-step explanation:

3 0
3 years ago
Given that lines q and m are parallel and are cut by two
sashaice [31]

angle 1 = 180-110 = 70 degrees (linnear pair)

angle 2= 180-115 = 65 degrees (linnear pair)

angle 3 = angle 2 = 65 degrees (corresponding angles)

angle 4= 180 - angle 3 = 180-65 = 115 degrees (linnear pair)

(your teacher might not like this, depends on the cituation, but use 180 degrees in triangle to get 7)

angle 7 = 180 -angle1 -angle 2= 180-70-65= 45 degrees

angle 6 = angle 7 = 45 degrees ( vertical angles)

angle 8= 180- angle 7= 180-45 = 135 ( linnear pair)

angle 9 =angle 6 = 45 degrees (corresponding angles)

angle 5=angle 9=45 degrees (vertical angles)

7 0
3 years ago
A golf tournament has five rounds. The players are given scores for each round based on how many strokes they are above or below
Sedaia [141]

Answer:

(A) ∫₁⁵[Xₙ + k] where n ranges from 1 to 5

(B) 73.6

Step-by-step explanation:

The question is clear enough. Kudos!

So there are many players but we're focusing on Ricky.

Ricky has already recorded his score for each of the 5 rounds in the tournament.

The number of strokes in Ricky's record are to be added to or subtracted from a given number 72

ROUND 1:    [72 - 5] strokes = 67

ROUND 2:   [72 + 6] strokes = 78

ROUND 3:   [72 - 2] strokes = 70

ROUND 4:   [72 + 4] strokes = 76

ROUND 5:   [72 + 5] strokes = 77

(A) Write an expression to represent Ricky's total number of strokes for the five rounds.

Do not panic at this first exercise. You are to write an expression which when evaluated, will give the total number of strokes for all five rounds!

You are already given an abstract number '72' to work with in this question.

It is a fixed quantity which influences the value of strokes for each round.

We will represent this by an algebra, if we have to create the above required expression.

The expression will then be:

∫₁⁵[Xₙ + k] where n ranges from 1 to 5

You already know that the sigma sign '∫' represents summation and that's summation from the subscript '1' to the superscript '5'.

X₁ would be -5,   X₂ would be +6,   X₃ would be -2,   X₄ would be +4,   X₅ would be +5

K is the constant 72

(B) What was Ricky's average number of strokes per round?

Out of the 5 rounds, the average number of strokes per round would be

[67 + 78 + 70 + 76 +77] ÷ 5

= 368/5  = 73.6

6 0
2 years ago
The slope of a line is -5, and the y-intercept is at (0, 4). What is the equation of the line in the slope-intercept form?
Mamont248 [21]
I think the answer is B
4 0
3 years ago
Other questions:
  • Please explain how you got your answers! (: Solve the problem by using the counting principle.
    10·1 answer
  • Marty has 1/2 pound of raisins to divide equally into 10 different bags. What fraction of a pound will be in each bag?
    15·1 answer
  • Brandie lives on the twelfth floor of her apartment building. She walks down 2 flights to visit a friend, then up 3 flights to d
    6·2 answers
  • Is 2/15 closer to 0, 1/2, or 1
    15·1 answer
  • 1 - 4 + 6^2 ÷ ( 1 + 2 × 2 )​
    10·1 answer
  • Help meeeeeeeeeeeeeeeeeeeeeeeeee
    11·1 answer
  • Help i need Help im struggling ​
    14·1 answer
  • PLEAS HELP ASAP :)))))
    8·1 answer
  • X² + 4x from 5x² + x
    13·1 answer
  • For what values of a are the following expressions true?/a+5/=-5-a
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!