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
stiv31 [10]
3 years ago
9

Please help !Suppose that the height in centimeters of a candle is a linear function of them out of time in hours it has been bu

rning after 12 hours of burning a candle has a height of 18.6 cm for 29 hours of running its height is 15.2 cm what was the height of the candle after 16 hours ?
Mathematics
1 answer:
Elan Coil [88]3 years ago
4 0

Answer:

  17.8 cm

Step-by-step explanation:

In the 17 hours between heights of 18.6 cm and 15.2 cm, the candle lost 3.4 cm in height. That is, the height decreased at the rate of ...

  (-3.4 cm)/(17 h) = -0.2 cm/h

In the 4 hours between 12 hours and 16 hours of burning time, the candle will have changed its height by (4 h)(-0.2 cm/h) = -0.8 cm.

The height at 16 hours of burning is then 18.6 cm -0.8 cm = 17.8 cm.

You might be interested in
3 : 93 = 1 : ? fill in the blank spot for the equivalent ratios
Oksana_A [137]

Answer:

Step-by-step explanation:

Let suppose the other number is x

3x = 93

x = 93/3 = 31

The other number is 31

3 0
3 years ago
Ishaan is 3 times as old as Christopher and is also 14 years older than Christopher/10088809/d7a108ae?utm_source=registration
Irina-Kira [14]
X = Ishaan
y = Christopher

3y = x
x = y + 14 Put the first equation into the second.
3y = y + 14
2y = 14
y = 7

Christopher is 7
Ishaan is 21
7 0
3 years ago
What is the math problem for 9,288 divided by 43
S_A_V [24]

Answer:

9,288 ÷ 43 = 216

Step-by-step explanation:

9,288 ÷ 43

First divide 9,288 by 43  we get quotiest as 216 and remainder 0

= 216

7 0
3 years ago
Subtract these polynomials.
zvonat [6]
Answer: A

Explanation:

(6x^2 - x + 8) - (x^2 + 2)
6x^2 - x + 8 - x^2 - 2
= 5x^2 - x + 6

6 0
3 years ago
15. A rectangle has a length of 2x - 1 and a width of 3x + 7. Find the perimeter of this rectangle.
andrew11 [14]

Answer:

10x + 12 and 6x² + 11x - 7

Step-by-step explanation:

The perimeter (P) of a rectangle is calculated as

P = 2l + 2w ( l is length and w is width )

   = 2(2x - 1) + 2(3x + 7) ← distribute parenthesis

    = 4x - 2 + 6x + 14 ← collect like terms

     = 10x + 12

--------------------------------------------------

The area (A) of a rectangle is calculated as

A = lw

   = (2x - 1)(3x + 7) ← expand using FOIL

    = 6x² + 14x - 3x - 7 ← collect like terms

    = 6x² + 11x - 7

7 0
3 years ago
Other questions:
  • Prove tan(x - (π / 4)) = (sin x – cos x) / (cos x + sin x) by filling in the reasons in the table below.
    12·1 answer
  • allies plant has a height of 6 meters. rajons plant grows 3/10 meter higher. how high does rajons plant grow
    12·1 answer
  • To the lovers of math: challenge : please help
    5·1 answer
  • For which values of x is the inequality 3(1 + x) < x + 6 true?
    12·2 answers
  • a new energy drink advertise 182 calories for 6 ounces how many calories are in 21 ounces of the drink? There are ____ calories
    8·2 answers
  • Find the missing side length leave your answers as radicals in simplest form
    6·1 answer
  • Can someone help solve this, thanks.
    13·1 answer
  • How do you solve this?
    15·1 answer
  • Find the 21st term of the sequence 15,8,1,-6
    13·1 answer
  • The area formula for rectangular shapes is A=LW. What is the area of a rectangular shape with the dimensions of <img src="https:
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!