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
NeTakaya
3 years ago
13

Over the last 3  evenings, Keisha received a total of 81  phone calls at the call center. The first evening, she received 6  few

er calls than the second evening. The third evening, she received 3  times as many calls as the first evening. How many phone calls did she receive each evening
Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
8 0

Answer:

First: 15

Second: 21

Third: 45

Step-by-step explanation:

In order to create the equation we need to represent the evenings with an alebraic term, in thsi case we are going to represent the second evening with an X

Second evening:x

The first night she got 6 fewer calls than the second: Second-6=x-6

The third night she received 3 times the first: 3(first night)=3(x-6)

The equation is First Night plus second night plus third night equals 81.

First+second+third=81\\x+(x-7)+3(x-6)=81\\x+x-7+3x-18=81\\5x=81+21+6\\5x=105\\x=\frac{105}{5} \\x=21

So the first evening he received 15 calls, the second he received 21 and the third one he received 45.

You might be interested in
Write Equivalent Fractions
Viktor [21]

Answer:

Step-by-step explanation:

Find equivalent fractions. Enter a fraction, mixed number or integer to get fractions that are equivalent to your input. Example entries:

Fraction - like 2/3 or 15/16

Mixed number - like 1 1/2 or 4 5/6

Integer - like 5 or 28

What are Equivalent Fractions?

Equivalent fractions are fractions with different numbers representing the same part of a whole. They have different numerators and denominators, but their fractional values are the same.

For example, think about the fraction 1/2. It means half of something. You can also say that 6/12 is half, and that 50/100 is half. They represent the same part of the whole. These equivalent fractions contain different numbers but they mean the same thing: 1/2 = 6/12 = 50/100

How to Find Equivalent Fractions

Multiply both the numerator and denominator of a fraction by the same whole number. As long as you multiply both top and bottom of the fraction by the same number, you won't change the value of the fraction, and you'll create an equivalent fraction.

Example Equivalent Fractions

Find fractions equivalent to 3/4 by multiplying the numerator and denominator by the same whole number:

34×22=68

34×33=912

34×44=1216

34×55=1520

34×66=1824

Therefore these are all equivalent fractions:

34=68=912=1520=1824

Note that if you reduce all of these fractions to lowest terms, they equal 3/4.

For additional fraction help see our Fractions Cal

3 0
2 years ago
There are 15.24 centimeters in 6 inches.<br> How many centimeters are in 1 yard?
FinnZ [79.3K]

Answer:

1 yard=94.44 cm

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Kate runs 2/3 of a mile on Mondays, Wednesday's and Thursdays. She runs 4/5 of a mile on Tuesday and Fridays. How many miles doe
padilas [110]

Answer:

Therefore, we conclute that Kate run 1 mile and 7/15 of a mile for the week.

Step-by-step explanation:

We know that Kate runs 2/3 of a mile on Mondays, Wednesdays and Thursdays. She runs 4/5 of a mile on Tuesday and Fridays. We calculate how many miles does Kate run during the week.  

Therefore, we get

\frac{2}{3}+\frac{4}{5}=\frac{10+12}{15}=\frac{22}{15}=1+\frac{7}{15}

Therefore, we conclute that Kate run 1 mile and 7/15 of a mile for the week.

8 0
2 years ago
Pleease help with this one math question?
dmitriy555 [2]

Answer:

square root 12^5

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the common point between lines y = -x + 7 and y = 3x + 10?
neonofarm [45]
Did you figure it out yet? lol
4 0
3 years ago
Other questions:
  • Three times a number plus five is less than three fourths of the number
    14·2 answers
  • A produce company sells crates filled with a mixture of apples (x) and oranges (y) during the holiday season to grocery stores.
    9·1 answer
  • Which equation would shift the parabola down 3 units? A) y = x2 B) y = x2 - 3 C) y = x2 + 3 D) y = (x + 3)2
    8·2 answers
  • The picture below illustrates a special type of conic section called
    11·1 answer
  • For questions 13 - 14, determine which mappings are functions. please help, will give brainliest
    5·1 answer
  • Anyone know the answer will give brainliest if correct.
    9·2 answers
  • HELPPPP ME PLEASEEEE ASAP PLEASEEEEE
    13·2 answers
  • I really need the answer to this
    10·1 answer
  • If 2(x+3)=x+10 then x equals
    13·1 answer
  • How to solve PLS HELP
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!