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Ket [755]
3 years ago
15

Elizabeth arrived at school at 8:05am .she left school early at 12:15pm so she could go to a dentist appointment. How long was E

lizabeth at school?​
Mathematics
2 answers:
Flauer [41]3 years ago
4 0

Answer: 4 hours 10 minutes

telo118 [61]3 years ago
3 0

Answer:

4 Hours 10 minutes

Step-by-step explanation:

You might be interested in
Audi surveys 50 students on how they get to school each morning. Results are: 40 ride the school bus, 8 ride in a car, and 2 wal
RoseWind [281]

Answer:

B: 40/50 or 4/5

Step-by-step explanation:

Out of 50 students, how many students ride the bus? 40. Since it is out of 50 students, the answer is: 40/50 but simplified to 4/5. HOPE THIS HELPS!!!

7 0
3 years ago
Read 2 more answers
In a certain year, the price of gasoline rose by 20% during January, fell by 20% during February, rose by 25% in March, and fell
satela [25.4K]

Using decimal multipliers, it is found that the value of x is of 16.67.

<h3>What is a decimal multiplier?</h3>

Increases of a% or decreases of a% re represented by decimal values, as follows:

  • The equivalent multiplier for an increase of a% is given by: \frac{100 + a}{100}
  • The equivalent multiplier for an decrease of a% is given by: \frac{100 - a}{100}

In this problem:

  • The price at the beginning of January was of a.
  • Increase of 20% in January, hence 1.2a.
  • Decrease of 20% in February, hence 1.2(0.8)a.
  • Increase of 25% in March, hence 1.2(0.8)(1.25)a.
  • Decrease of x% in April, hence 1.2(0.8)(1.25)\left(\frac{100 - x}{100}\right)a

The price of gasoline at the end of April was the same as it had been at the beginning of January, hence:

a =1.2(0.8)(1.25)\left(\frac{100 - x}{100}\right)a

1.2\left(\frac{100 - x}{100}\right) = 1

\left(\frac{100 - x}{100}\right) = \frac{1}{1.2}

\frac{100 - x}{100} = 0.8333

100 - x = 83.33

x = 16.67

The value of x is of 16.67.

To learn more about decimal multipliers, you can take a look at brainly.com/question/24952336

6 0
3 years ago
Can someone answer this fast. I suck at angles and I’ll give brainliest when I can to whoever can answer this with no link. I’m
Kamila [148]

It's the 4th option.

Step-by-step explanation:

Corresponding angles are congruent, so x =43. I hope this helps, have a great day!

3 0
4 years ago
Can someone help me with these problems and explain them as well please
olga_2 [115]

Answer:

b=112°

Step-by-step explanation:

two complementary angles

b=180°-68°=112°

sum of 2 angles is

x= 35°+25°=60°

7 0
3 years ago
Read 2 more answers
Georgia adds two proper fractions and gets 8/7 as an answer<br>Work out<br><br>the two fractions.​
LenaWriter [7]

Answer:

1/2 and 9/14

Step-by-step explanation:

Let the first fraction be 1/2

Let the second fraction be x

1/2 + x= 8/7

x= 8/7-1/3

= 16-7/14

= 9/14

Hence the two numbers are 1/2 and 9/14

4 0
3 years ago
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