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
Nadya [2.5K]
3 years ago
6

What does the variable r represent in the equation 10r+4=8?

Mathematics
1 answer:
Aloiza [94]3 years ago
8 0
R =

I think “represent” is asking you to solve to a number.

10r + 4 = 8
Subtract 4 from both sides of the equation:
10r = 4
Divide both sides by 10:
r = 0.4

Check the math:

10(0.4) + 4 =
4 + 4 = 8
You might be interested in
Anna saves 3 dollars for every 10 dollars she earns.Patrick saves 5 dollars for every 20 dollars he earns.Do the two save money
NNADVOKAT [17]
The two do not save money at the same rate, because if you make common denominators of 20, Anna saves 6 dollars for every 20, while Patrick only saves 5 dollars for every twenty earned. So, Anna ends up saving more than Patrick.
4 0
3 years ago
Suppose that for a randomly selected high school student who has taken a college entrance exam, the probability of scoring above
Sophie [7]

Answer:

3.0

Step-by-step explanation:

n=10

p=0.30

mean=np=10X0.3 = 3

That is it.

5 0
3 years ago
Josiue tosses a coin and spins the spinner at the right. What are all the possible outcomes?
vazorg [7]
The possible outcomes for the coin is 2 out of 1 since a coin has 2 sides the coin may only land on 1 side but the chances are between both sides having a 50/50 chance to land on either side.
6 0
3 years ago
How do you find w for A=2(L+w)
dusya [7]
♡Let's solve this Step-By-Step!<span>♡
</span>♡<span>Question:
A=2(L+w)

♡</span>To solve for W we need to flip the equation like so:
<span><span>2l</span>+<span>2w</span></span>=<span>a
</span>
♡Now a<span>dd -2l to both sides:
</span><span><span><span>2l</span>+<span>2w</span></span>+<span>−2l</span></span>=<span>a+<span>−<span>2l
</span></span></span><span>2w</span>=<span>a−<span>2<span>l
</span></span></span>
♡<span>Divide both sides by 2:
</span><span><span>2w/</span>2</span>=<span><span>a−<span>2l/</span></span><span>2

</span></span>♡<span>Your answer shall be:
</span>w=<span><span><span>1/2</span>a</span>−l
</span>
♡Hope this helps!♡
4 0
3 years ago
Read 2 more answers
Form an equation and solve it to answer the question. An editor needs to read a 700-page manuscript. Her goal is to proofread 28
jeyben [28]

Answer:

21 more days

Step-by-step explanation:

Let x be the number of days

700-112 = 28x

588 = 28x

x = 21

It will take her 21 more days

4 0
2 years ago
Other questions:
  • Everyday mike is allowed to play video games for 5 minutes. How many minutes does mike play video games a week?
    12·2 answers
  • Help Me quick please!!!
    14·2 answers
  • The difference of a number s and 6
    13·1 answer
  • I’m stuck on this I’ll give u brainlieast if you answer correctly !
    7·1 answer
  • Thank you plz help hurry
    12·1 answer
  • -2+3x=-(x+6) solve for x
    8·2 answers
  • Rationalise the denominator and simplify
    8·1 answer
  • Plz help me I need help
    6·1 answer
  • If f (x) = x² – 3, then find f (8) =
    14·1 answer
  • how did you find the domain and range of function using ordered pairs mapping diagram,graph,table and equation/rule? Explain​
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!