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
cupoosta [38]
3 years ago
10

-3r +9 = -4r +5what's r?​

Mathematics
2 answers:
-BARSIC- [3]3 years ago
8 0

Answer:

-4

Step-by-step explanation:

-3r+9=-4r+5

-3r+4r=5-9

r=-4

Snowcat [4.5K]3 years ago
6 0

Answer:

I got r=-1

Step-by-step explanation:

first I had 3 R over the = and into -4r

second I subtracted the 5 over the = and onto the 9

now you have: 4=-1r

divide the -1 over to have a positive R

and a -4

You might be interested in
What type of decimal is this fraction: LaTeX: \frac{11}{20}
skad [1K]

11/20

Divide 11 by 20 to find the decimal value.

11/20 = 0.55

The decimal only contains two numbers, so it is a terminating fraction.

6 0
2 years ago
What points are solutions for the system of equations?
siniylev [52]
If it's written correctly, I believe the points are (5 , 140) and (20 , 520). First equation indicates a parabola and the second a line. The parabola crosses the line at two points.
3 0
3 years ago
Values of an expression
REY [17]
Substitute a number for each variable

Ex.
2x x=5
(2)(5)
=10
6 0
3 years ago
Help
BigorU [14]

Answer:

69

thats it all of them are 69

4 0
2 years ago
An arithmetic sequence is represented in the following table. Enter the missing term of the sequence.
bija089 [108]

a_1=-9\\\\a_2=a_1-8\to a_2=-9-8=-17\\\\a_3=a_2-8\to a_3=-17-8=-25\\\\a_4=a_3-8\to a_4=-25-8=-33\\\\\text{The general term of an arithmetic sequence:}\\\\a_n=a_1+(n-1)d\\\\a_1-first\ term\\d-common\ difference\\\\\text{We have}\ a_1=-9\ \text{and}\ d=-8.\ \text{Substitute:}\\\\a_n=-9+(n-1)(-8)=-9-8n+8=-8n-1\\\\\text{Put n = 43 and calculate}\ a_{43}\\\\a_{43}=-8(43)-1=-344-1=-345\\\\Answer:\ \boxed{?=-345}

4 0
3 years ago
Other questions:
  • Which statement best describes the association between variable X and variable Y?
    8·2 answers
  • If last years sales were $200,000 and this years increase was 250% how much are this years sales
    9·2 answers
  • I need help with matching these vocabulary words​
    12·1 answer
  • If ƒ(x) = 2x² + 3, then which of the following represent ƒ(x + 1)?
    13·1 answer
  • Find the value of the power. ( 5 6 ) 3
    10·1 answer
  • Which of the following is the factored form of the quadratic *
    7·1 answer
  • Is this correct? Please help! It’s multi solution
    8·1 answer
  • (-10) – (+6) = (-10) + (-6) = -4
    7·1 answer
  • write an Equation for the angle relationship shown in the figure and solve for x. Find the measures of RQS and TQU?
    15·1 answer
  • Bianca is styling hair and makeup for the upcoming dance at her high school. She charges $51 for hair and $35 for makeup. Identi
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!