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
larisa [96]
3 years ago
10

Can someone help me with these 2 last homework questions Thanks

Mathematics
1 answer:
Eva8 [605]3 years ago
6 0
31a) Think of $30.90 as 100% of her bill, we first want to find 6%
To work out how much this is, we need to divide the percentage by 100 to get a multiplier (decimal)
6/100 = 0.06
Multiply 0.06 and $30.90 to get the tax
$30.90 x 0.06 = 1.854
As we can't have part of a cent, we round to the nearest 100th
If the number to the right of this value is below 5 we round down, 5 or more we round up
4 is below 5 so we round down
$1.85

31b) For the total bill, we need to add together the original and the tax
$30.90 + $1.85 = $32.75

32a) Simple Interest = PRT
This means
P x R x T
We need to multiply together the Principal, Rate and Time span
We need to turn the percentage into a decimal, so we divide by 100 like before
3.2 / 100 = 0.032
$750 x 0.032 x 6 = $144

32b) To find the account balance, we need to add the interest to the original amount
$750 + $144 = $894
You might be interested in
I am doing math how many equivalent fractions are there for 4/5 explain
mote1985 [20]
4/5 ,8/10, 16/20,
You multiply both numbers with the same number.
For ex. 4×2=8 5×2=10 so we have 8/10
6 0
3 years ago
10 minus three times a number is no more than 61​
Elena L [17]

Answer:

n ≥ -17

Step-by-step explanation:

Writing a symbolic inequality, we get:

10 - 3n ≤ 61

Solve this for 3n by adding 3n to both sides of this equation:

10 ≤ 61 + 3n

Solve for n by subtracting 61 from both sides and then dividing all of the resulting terms by 3:

-51 ≤ 3n (divide both sides by 3):

-17 ≤ n, or

n ≥ -17

8 0
3 years ago
If f(x) = -(x - 1) then does f(-2)=3?​
Aneli [31]

Answer:

Yes thats correct

Step-by-step explanation:

5 0
3 years ago
Simplify (4b+7)8b^2<br> Can someone help me please?
Fed [463]

Answer:

32b^{3} +56b^{2}

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is an equation of the line that passes through the point 3,-1 and has a slope of 2
vekshin1
An equation that passes through the coordinates (3, -1) and has a slope of 2 would be y=2x-7 because since the slope is positive and is 2/1 the slope rises by 2 and runs 1 to right and eventually passes (3, -1) when it starts at -7 on the y-intercept. Answer: y=2x-7

Hope this helps you and would love brainliest! 
8 0
3 years ago
Other questions:
  • 55.540 divided by 0.1
    12·1 answer
  • The larger of two numbers is 12 times the smaller number. if the sum of two numbers is 15,600, find the two numbers.​
    9·1 answer
  • An African lion weighs 450 pounds what is the weight in ounces
    8·2 answers
  • Name three solutions of the inequality w less than or equal to 4/5
    13·1 answer
  • What is the difference in time between crossing a bridge that is 2,737 meters long at an average speed of 322 meters per minute
    7·1 answer
  • On the first math exam, 16 students received an A grade. On the second math exam,12 students received an A grade.what percentage
    7·1 answer
  • Please help me explain this correctly..​
    10·1 answer
  • Please help me!<br> Thank yoouuuu!
    15·2 answers
  • Please answer correctly! I will mark you as Brainliest! Please No links or non correct answers or I will report and call Brainly
    11·1 answer
  • Please help with sum plz​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!