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
Effectus [21]
3 years ago
8

Solve 4r2 – 16 = 84. {±4} {±3} {±6} {±5}

Mathematics
1 answer:
Marta_Voda [28]3 years ago
4 0
4r²<span>– 16 = 84
4r</span>² = 84+16
4r²= 100
r²=25
r=√25
r=<span>±5</span>
You might be interested in
If you can answer it i'll give you brainliest
Nonamiya [84]

Answer:

2.

Step-by-step explanation:

The answer is the seocnd one.

6 0
3 years ago
3(5 − 2 x) = −2(6 – 3 x) − 10 x
kobusy [5.1K]

Answer:

15-6x= -12-4x

15-2x= -12

-2x= -27

x= -13.5

Step-by-step explanation:

5 0
3 years ago
HELP ASAP I’ll reward most brainlyestttttt
PolarNik [594]

Answer:

y = 2/3 x + 2

Slope intercept form is the form of y=mx + b.

The slope is 2/3, so that is m, and from looking at the graph, we know that the y intercept is (0,2), so b has the value of 2.

I hope this helps! Please let me know if you have any more questions!

4 0
3 years ago
The model below represents an equation. Write the equation that is modeled then find what value of x makes the equation true.
LenaWriter [7]
6x-5=4x+5
x=5
I hope this helps you
4 0
3 years ago
83 rounded to the nearest 10th place​
Molodets [167]

Answer:

80

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • 487 divided by 8 Long division
    11·2 answers
  • Jill wants to solve the following system using the elimination method:
    8·2 answers
  • Solve the following equation for a : (1/(a+2)) + (1/(a-2)) =4/(a²-4).
    5·1 answer
  • How do you graph 2 3/7 on the number line ?
    7·1 answer
  • Determine whether the given ordered pair is a solution of the system.
    12·1 answer
  • Benchmark 2 - Item 206328
    8·1 answer
  • What set of numbers does NOT contain -7?
    7·2 answers
  • A square is attached to a semicircle to make the figure shown in the diagram below .
    15·1 answer
  • Which expression is equivalent to 4(5r+9)?
    5·1 answer
  • If a 16-ounce can of soda has 45 calories per 8 ounces, how many calories are in the can?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!