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
katen-ka-za [31]
3 years ago
14

Mary logged into work at 8:10 am and logged out at 3:45 pm. How many hours did she work? (Her employer rounds to the nearest qua

rter hour.)
1.8

2.7 1/2

3.7 3/4

4.8 1/4
Mathematics
1 answer:
Nataly [62]3 years ago
8 0
I'm assuming your answers are listed as 1 through 4, not decimals.
You simply take 12 - 8 = 4, but ten min. less than that, so 3 hr, 50 min. then add 3 hr 45 min, totaling 7 hr 35 min. , which is closest to 7 and 1/2 hours, the second option.
You might be interested in
PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!!
siniylev [52]

Answer:

Step-by-step explanation:

tan (F)=12/5=2.40

7 0
3 years ago
Write an inequality representing the total cost of your purchase. a. Each pound of fruit costs $4. Write an expression that show
Ket [755]

Answer:

$4n

Step-by-step explanation:

The variable identified in question 1 isn't given ;

If the cost per unit of fruit = $4

The total cost of fruit will be :

Cost per fruit * number of fruits

If the number of fruits is denoted by the variable, n

The the total cost of fruit will be :

Cost per fruit, $4 * number of fruits, n

Total cost = $4 * n = $4n

3 0
3 years ago
1+cos2A /1-cos2A=cotA.cotA​
Allisa [31]

Answer:

See Explanation

Step-by-step explanation:

formulae \: to \: be \: used :  \\  \cos 2 \theta = 2 { \cos}^{2}  \theta - 1 \\ and \\ \cos 2 \theta = 1 - 2 { \cos}^{2}  \theta  \\  \\ now \: let \: us \: prove \: the \: given \: trigonometrical \:  \\ identity. \\  \\  \frac{1 +  \cos2A}{1  -   \cos2A}  = \cot \: A. \cot \: A \\ LHS =  \frac{1 +  \cos2A}{1  -   \cos2A}  \\  \\  =  \frac{1 +2 { \cos}^{2}   A- 1 }{1 - (1  - 2 { \sin}^{2}   A)}  \\  \\ =  \frac{1 +2 { \cos}^{2}   A- 1 }{1 - 1   + 2 { \sin}^{2}   A}  \\  \\ =  \frac{2 { \cos}^{2}   A }{2 { \sin}^{2}   A}  \\  \\ =  \frac{{ \cos}^{2}   A }{ { \sin}^{2}   A}  \\  \\  =  { \cot}^{2} A \\  \\  =  { \cot} A .{ \cot} A \\  \\  = RHS \\  \\ hence \: proved.

6 0
3 years ago
Find the circumference of the circle. Round your answer to the nearest hundredth. Use 3.14 or pi circle is 3 ft in radius
densk [106]

Answer:

18.84 feet

Step-by-step explanation:

The circumference of a circle can be found using:

c=π*d

The radius is given, but we have to find diameter. The diameter is twice the radius, or

d=2r

The radius is 3 feet. Substitute 3 in for r.

d=2*3

d=6

The diameter is 6 feet.

Now we have the diameter. We can substitute 6 in for d in the circumference formula. We can also substitute 3.14 in for pi.

c=π*d

c=3.14*6

c=18.84

The circumference is <u>18.84 feet</u>

8 0
4 years ago
Read 2 more answers
Give your answer in terms of <img src="https://tex.z-dn.net/?f=%5Cpi%20%5C%5C" id="TexFormula1" title="\pi \\" alt="\pi \\" alig
Marina CMI [18]

The length of the band in terms of π is given by the expression:

L = 40mm + π*10mm

<h3>How to get the length of the band?</h3>

Remember that for a circle of diameter D, the circumference is:

C = π*D.

Now, if you look at the image, you can see that the length of the band will be equal to 4 times the diameter of the pencils (one time for each side). Plus 4 times one-fourth of the circumference of each pencil (for the four corners).

because the diameter is 10mm, the length of the band will be:

L = 4*10mm + 4*(π*10mm/4)

L = 40mm + π*10mm

This is the length of the band in terms of π.

If you want to learn more about circles:

brainly.com/question/14283575

#SPJ1

7 0
2 years ago
Other questions:
  • A pet shop uses 43 pounds of food each day. How many pounds are used in 365 days?
    11·2 answers
  • A triangle has two sides of lengths 5 and 12. What value could the length of the third side be?
    10·1 answer
  • How to solve a two step equation
    11·2 answers
  • X-3y+2z=11,-x+4y+3z=5,2x-2y-4z=2
    11·1 answer
  • What is the answer to by+2 over 3=c? NEED HELP QUICK!!
    12·1 answer
  • Find the Area Of this plz
    5·2 answers
  • May anyone please help me?
    15·2 answers
  • Who do you like Charli or Addison? If you can’t answer, Comment.
    6·1 answer
  • The average cost per month of a 2-bedroom apartment in Grayson was $625 last year. This year, the average cost is $650. What is
    13·1 answer
  • Anyone best one gets brainy
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!