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sergey [27]
3 years ago
5

Mike's scores on 5 quizzes he took are shown above. In which month was Mike's quiz score equal to the average of his 5 quizzes?

Sept. 72, Oct. 83, Nov. 95, Dec. 77, Jan. 88​
Mathematics
1 answer:
Mariana [72]3 years ago
4 0

Answer:

Oct.

Step-by-step explanation:

average = (72 + 83 + 95 + 77 + 88)/5 = 83

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Josslyn has nickels and dimes in her pocket. The number of nickels is three more than seven times the number of dimes let d repr
vfiekz [6]
7d+3Explanation

to solve this we need to translate into math terms, so

Step 1

a) let d represents the number of dimes

let n represents the number of nickles

so

re write the expressions

\begin{gathered} number\text{ of dimes=d} \\ seven\text{ times the number of dimes = 7d} \\  \end{gathered}

The number of nickels is three more than seven times the number of dimes in other words you have to add 7 to seven times the number of dimes to obtain the number of nickles

hence

n=7d+3

therefore , the expression for the number of nickles is

7d+3

I hope this helps you

3 0
1 year ago
The points plotted below are on the graph of a polynomial. Which of the following x-values best approximate roots of the polynom
Kaylis [27]

Answer:

The correct options are:

x= -1.1

x= 2.4

x = 6

Step-by-step explanation:

The roots of any polynomial can easily be determined by the graph. To find the roots from the graph, we just have to see the values of x, for which the value of whole polynomial becomes 0.

We can see in the graph that there are three points where the value of polynomial becomes 0. that are

At x= -1.1

At x= 2.4

At x = 6

Thus, these are the roots

8 0
2 years ago
The cash price of a bike is $3000. The bike can be bought on hire purchase by making a 25% down-payment and monthly payments of
horrorfan [7]
25% downpayment of $750 + $125 x 24 months

= $3750
8 0
3 years ago
Read 2 more answers
A 270 feet escalator is leaning against a wall and makes a 53 angle with the floor. How high does the escalator reach the wall
r-ruslan [8.4K]

Answer:

x=215.63 ft

Step-by-step explanation:

sin(53)=x/270

x=270sin(53)

x=215.63 ft

5 0
3 years ago
Biking at 10 mph, it takes Kristen hour to reach the train station to go to work. Kristen then takes the train to work, and it t
spin [16.1K]

Answer:

38 miles

Step-by-step explanation:

if it takes her one hour going at 10 mph to get to the train, she traveled 10 miles

if she took one hour on a train going 28 mph, then she traveled 28 miles

28+10 is 38

3 0
3 years ago
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