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
Margaret [11]
3 years ago
7

Combine like terms: 2r + r² – 4 + r Show Work Pls

Mathematics
1 answer:
klasskru [66]3 years ago
4 0

Answer:

r^2+3r-4

Step-by-step explanation:

combine like terms:

2r+r

vvvv

3r+r^2-4

rearrange terms:

r^2+3r-4

You might be interested in
after dinner 3/4 of the pie remains, if Tasha eats 1/6 of the remaining pie how much of the total pie does Tasha eats
wariber [46]
\frac{3}{4} - \frac{1}{6}

Find the LCD  4 and 6 :

factor  each denominator into its primes:

4 = 2²
6 = 2 * 3

Find the least  common denominator 2² * 3 = 12

\frac{3*3}{12} - \frac{2}{12} =

\frac{3*3-2}{12} =

\frac{9-2}{12} = 

\frac{7}{12}

hope this helps!
5 0
3 years ago
The side lengths of the Australian flag are in a ratio of 1:2. If the flag is 5 feet long, what is it’s height?
jonny [76]

height:length

1:2

x feet: 5 feet

You know the length and the ratio of the dimensions. From the ratio you know that the length is twice the height. So height = 5/2 = 2.5 ft.

6 0
3 years ago
What could be a appropriate title for this graph ? Please help me !!!!
Firdavs [7]
You need help ⋌༼ •̀( )•́ ༽⋋
8 0
3 years ago
Read 2 more answers
Cot(90° − x) = 1 The value of x that satisfies this equation is Blank °.
Reil [10]

Answer:

x=90\degree

Step-by-step explanation:

The given trigonometric equation is

\cos(90\degree -x)=1

We take the inverse cosine of both sides to obtain;

(90\degree -x)=\cos^{-1}(1)

(90\degree -x)=0

Group similar terms t obtain;

-x=0-90\degree

x=90\degree

4 0
4 years ago
Read 2 more answers
What value of y makes the following equation true?​
dimaraw [331]

Answer:

7y + y - 2y = 18 \\ 6y = 18 \\ y =  \frac{18}{6}  =  \frac{9}{3}  = 3 \\ y = 3 \\ thank \: you

8 0
3 years ago
Read 2 more answers
Other questions:
  • Use the calculator to graph the function y = x3 – 3x + 3. What are the coordinates of the turning point(s) of the graph? (1.5, 0
    6·2 answers
  • Answer please!!! 10 points. (Rude answers will be reported )
    9·2 answers
  • Graph 2x -2= -4 and solve
    8·2 answers
  • 9 please help with 9 <br><br> 10 what is P
    13·1 answer
  • today, 6 friends went out for lunch. their total Bill was $41.88, including tax and gratuity. they decide to split the Bill equa
    8·2 answers
  • P is located at (8,-7) and Q is located at (-6,-3) on the coordinate plane
    12·1 answer
  • Someone help me out with this question please
    13·2 answers
  • 1. Foster sold cakes. He sold the following number of cakes over the last 7 days: 22, 35, 56, 44, 62, 40, 60. 98 a. How many cak
    9·1 answer
  • What type of triangle is shown here 17 cm 10cm 17 cm. The triangle looks like this: &lt;|
    7·2 answers
  • Find the circumference r=14m
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!