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
LiRa [457]
3 years ago
5

On a winter morning, the temperature before sunrise was 11 degrees. The temperature then rose by 1/2 degree each hour for 7 hour

s before dropping by 2 1/4 each hour for 3 hours. What was the temperature, in degrees Fahrenheit, after 10 hours/
Mathematics
1 answer:
Arada [10]3 years ago
7 0

Answer:

7.75 F

Step-by-step explanation:

you will do 7/2 *

convert 2.25 to imporper fraction

multiply the denomintor

You might be interested in
For all positive integers n, let *n* equal the greatest prime number that is a divisor of n. What does *10*/*12* equal?
artcher [175]

9514 1404 393

Answer:

  5/3

Step-by-step explanation:

The prime factorizations are ...

  10 = 2·5

  12 = 2·2·3

Then *10* = 5 and *12* = 3, so *10*/*12* = 5/3.

4 0
3 years ago
On a standardized exam, the scores are normally distributed with a mean of 165 and astandard deviation of 40. Find the z-score o
vladimir1956 [14]

The Z-score is calculated by the formula below

\begin{gathered} z-score=\frac{(x-\mu)}{\sigma}_{} \\ \mu=\operatorname{mean} \\ \sigma=s\tan dard\text{ deviation} \\ x=\text{score} \end{gathered}

Step 2: Substitute the given parameters in the formula

\begin{gathered} z-\text{score}=\frac{145-165}{40} \\ Z=-\frac{20}{40} \\ Z=-\frac{1}{2} \\ Z=-0.5 \end{gathered}

Hence, the z-score of a person who scored 145 on the exam is -0.5

8 0
1 year ago
About how much more is 22 to the 7 power and 22 to the 4 power
Bumek [7]
22 to the 7 power is <span>2494357888
</span>22 to the 4 power is <span>234256

Just subtract those two numbers and you'll get that it's </span><span>2494123632</span>
4 0
3 years ago
Decrease £1200 by 25%
gayaneshka [121]
Ok well...
1200 times .25 is 300 so subtract 1200-300= 900 is the decreased number :) 

Hope it helps! :)

6 0
4 years ago
Every quadrilateral is a rectangle
jarptica [38.1K]
No because there can be different shapes
7 0
3 years ago
Other questions:
  • Travis are 2/3 of a small pizza Kai are 11/15 of a small pizza who ate more?
    5·2 answers
  • the highest location in a certain foreign country is 15,019 feet above sea level.the lowest point in the same country is 152 fee
    12·1 answer
  • Two sides of a triangle
    7·1 answer
  • -4(2x - 5) – (7 – 3x) = 4(x + 3)
    7·2 answers
  • I need to find the value of x!!!
    10·1 answer
  • Cara is painting her living room. The room measures 10.6 feet by 11.6 feet. The ceiling is 10 feet
    14·1 answer
  • 7th grade math help me please :)
    5·2 answers
  • The scale on a map is 1 inch per 150 miles. The map shows the town of Bluebell is 3.5 inches away
    6·1 answer
  • if you reflect any shape across the x-axis and then rotate it 90 degrees clockwise about the origin, do you get the same results
    5·2 answers
  • 2. Consider the line segment below.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!