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
Elis [28]
3 years ago
6

a cup of coffee cools at a rate of 3% per minute. if the coffee is 100 degrees when you get it how will it be After 15 minutes?

rounded to the nearest tenth
Mathematics
1 answer:
Semenov [28]3 years ago
3 0

Answer: 55 degrees after 15 minutes.

Step-by-step explanation: 15 x .03 = .45

.45 x 100 = 45

100 - 45 = 55

You might be interested in
I need help with both of them please!( Sample questions 13 and 14)
zaharov [31]
First~exercise! \\ We~ have `there ~some~ triangles.(2) \\ 1)~In~ a ~triangle~,the~degree~of~all~angles~is~180! \\ We~have~2~angles~known,so: \\ 180=x+45+56 \\ 180=101+x \\ x=79 \\  \\ Second~triangle! \\ We~have~to~find~2~angles! \\ An ~elongated`~angle~have~180~degrees! \\ 180=79+50+y \\ y=51. \\ In~the~second~triangle~,we~have~to~find~the`third~angle. \\ We~have~a~right~angle,so--\ \textgreater \ 90~degrees! \\ 180=90+51+z \\ z=39! \\ We~found~all~the~angles!(We~are`happy~now!!!~:))) \\ Second~exercise! \\ With~the~Pythagoras' Theorem,we~can~find~the~diagonal~in~this~ \\ rectangle! \\ c ^{2} =10 ^{2} +14 ^{2}  \\ c ^{2} =100+196 \\ c= \sqrt{296}  \\ c=17,20...
8 0
3 years ago
Mabel is comparing the prices of two car rental companies. Company A charges $35 per day and an additional $15 as service charge
GalinKa [24]

Answer:

Part A:

<u>Equation for Company A: </u>

<u>x = Number of days renting a car</u>

<u>35x + 15</u>

<u>Equation for Company B:</u>

<u>x = Number of days renting a car</u>

<u>42x + 10</u>

Part B:

<u>Company A will charge $ 37 less than Company B</u>

Part C:

<u>Company A will charge $ 65 less than Company B</u>

Step-by-step explanation:

Part A:

Equation for Company A:

x = Number of days renting a car

35x + 15

Equation for Company B:

x = Number of days renting a car

42x + 10

Part B:

Renting a car for 6 days

Company A:

35 * 6 + 15 = 210 + 15 = $ 225

Company B:

42 * 6 + 10 = 252 + 10 = $ 262

Company A will charge $ 37 less than Company B

Part C:

Renting a car for 10 days

Company A:

35 * 10 + 15 = 350 + 15 = $ 365

Company B:

42 * 10 + 10 = 420 + 10 = $ 430

Company A will charge $ 65 less than Company B

4 0
3 years ago
Henry buy 1/4 pounds of screws and 2/5 pounds of nails to build a skateboard ramp what is the total weight of the screws and nai
iren2701 [21]

the total weight of the screws and nails is \frac{13}{20} pounds

7 0
3 years ago
William is packing his bags for his vacation. He has 8 unique books, but only 5 fit in his bag. How many different groups of 5 b
madam [21]
He can bring them all he just has to carry some..

7 0
3 years ago
Read 2 more answers
Identify the slope and y-intercept of y=4 over 5x plus 1.
KiRa [710]
The slope is 4/5 and the y-intercept is when x=0, So y=(0)+1, y-intercept is 1
7 0
3 years ago
Other questions:
  • What is the next number in the sequence 5 10 3 15 20 13 25 30?
    15·1 answer
  • 8 and 11/100 into a mixed number and a decimal
    13·1 answer
  • -2 1/5 x (-5 3/8) =?
    5·1 answer
  • As a result of a cyclone, the price of bananas rose 85% to $9.99 per kg. How much did bananas cost before the cyclone?
    11·1 answer
  • What is 3.2 m converted to centimeters?
    14·2 answers
  • If f(x) = -3x + 4, find f(3x + 3)
    10·2 answers
  • Solve for x: 3|x - 3| + 2 = 14
    10·2 answers
  • Write an expression for the quotient of twelve divided by the sum of two times g and one.
    9·1 answer
  • Georgette balances her budget by using this plan. For every $100 she earns,
    13·1 answer
  • If u steal point i report
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!