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
vova2212 [387]
3 years ago
13

At higher elevations water boils at lower temperatures. The temperature at which water boils is called the boiling point of wate

r. At sea level the boiling point of water is 100oC, while at 2 kilometers of elevation (about 6550 feet) the boiling point of water is 94oC. The function that gives the boiling point of water in oC, B
B
, at an elevation of x
x
kilometers is B(x)=100−3.5x
B(x)=100-3.5x
.

Determine the elevations at which the boiling point of water is between 84 oC and 88 oC. Give your answer accurate to 1 decimal place.


The boiling point of water is between 84 oC and 88 oC when the elevation is between
Mathematics
1 answer:
Irina-Kira [14]3 years ago
4 0

Answer:

  The boiling point of water is between 84 °C and 88 °C when the elevation is between 3.4 and 4.6 km.

Step-by-step explanation:

You want x such that ...

  84 ≤ B(x) ≤ 88

  84 ≤ 100 -3.5x ≤ 88 . . . . substitute for B(x)

  -16 ≤ -3.5x ≤ -12 . . . . . . . .subtract 100

  4.6 ≥ x ≥ 3.4 . . . . . . . . . . .divide by -3.5; this reverses the inequality

You might be interested in
Hi quick whats 18 x 1.25 <br> step by step !!
Ivan

Answer:

22.5

Step-by-step explanation:

125

x 18

---------

1. first set up your problem

2 4

125

x 18

------

1000

2. next multiply the 8 by 5 getting 40, drop the 0 anf move the 4 to the top above 2.

3. multiply 8 by 2 getting 16, then add the 4 you have ontop of the 2 to the 16 getting 20. Drop the 0 and bring the 2 over and place it above the one.

4. multiply 8 by 1 getting 8 then add the 2 above the 1 to 8 getting 10. Then put the ten infront of the tw zeros. 1000

125

x 18

--------

1000

0

Next add a 0 as a place filler under the 0 at the end.

125

x 18

-------

1000

1250

Then multiply the 1 by 5, then 1 by 2, then finnaly 1 by 1, getting you 1250.

1000

+1250

add together

getting 2250

then move 2 decimal places over to get 22.5

3 0
3 years ago
3/12 1/6 and 1/3 same denominator
iogann1982 [59]
Yes because if you turn 6 and three to 12 then you have 2/12 and 4/12!
5 0
3 years ago
Ben works part time in a warehouse . His boss is going to send one employee home early . Of his 56 employees 21 are part time .
qaws [65]
21/56 which reduces to 3/8 ...or if u need a percent, it is 37.5%
7 0
3 years ago
Read 2 more answers
What is the 6th term of the geometric sequence<br> 50, 10, 2, ...?
Dominik [7]

Answer:

your answer to that would be 5 other Geographic Square

7 0
2 years ago
How do I graph y = -4x + 5
GuDViN [60]
Start at 5 on the y axis then go down four and over 1
3 0
3 years ago
Other questions:
  • Give the equation for a circle with the given center and radius. Center at (2, -9), radius = 3
    14·1 answer
  • Find the area to the nearest hundredth
    7·1 answer
  • What is 43-12+12x13?
    13·2 answers
  • What is 71 in expanded form
    15·2 answers
  • Simplify 7y+7-8(y-7)
    5·2 answers
  • Use the rule y = 3x + 1 to fill in the missing entries in the input-output tables.
    9·1 answer
  • Two thirds of the class finished the test on time. What fraction of the
    14·1 answer
  • Many gas stations give a discount for paying with cash instead of a credit card. William’s local gas station gives a discount of
    11·1 answer
  • If the mean of m,n,s,p and q is 12. Calculate the mean of (m-4), (n-3 ),(s-6), (p-2) and (q-8).​
    10·1 answer
  • What does 160=7x+6 equal to?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!