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strojnjashka [21]
3 years ago
7

Jack took 90 cookies to his class of 19 students (including Jack). If everyone had four cookies, how many were left over? QUICK

ITS DUE TODAY
Mathematics
2 answers:
QveST [7]3 years ago
3 0

Answer:

10

Step-by-step explanation:

you do 90 divided by 20 and get 4.5 so you take away 40 and leftover with 10

sammy [17]3 years ago
3 0

Answer:

14

Step-by-step explanation:

90-(19x4)=14

I hope it will help

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Write an exponential function to represent a person consuming a bag of candy in which the initial value in an is 175 pieces and
Alisiya [41]

We will see that the exponential decay function is:

f(x) = 175*(0.8)^x

<h3>How to find the exponential decay?</h3>

The general exponential decay is:

f(x) = A*(1- r)^x

Where:

  • A is the initial value.
  • r is the rate of decay in decimal form.
  • x is the variable, in this case is the time.

Here we know that the initial value is 175, and the rate of decay is 20%. To get this in decimal form, we just divide it by 100%.

20%/100%  = 0.2

Replacing that in the exponential function, we get:

f(x) = 175*(1 - 0.2)^x

f(x) = 175*(0.8)^x

If you want to learn more about exponential functions, you can read:

brainly.com/question/11464095

5 0
3 years ago
The scale on a map shows that 1.5 inches represents 100 miles. The distance between two cities on the map is 4.5 inches What is
skelet666 [1.2K]

Answer:

a 300 miles

Step-by-step explanation:

4.5 inches = 3×1.5 inches

so

4.5 inches = 3×100 miles = 300 miles

6 0
4 years ago
Rounded to three decimal places, the value of the irrational number e is .A.3.142B.3.615C.2.718D.2.947
notka56 [123]

REQUIRED:

Round to 3 decimal placed the value of the irrational number e.

Step-by-step solution/explanation;

The letter e in mathematics is also known as the Eular's number and is a mathematical constant used in many calculations especially natural logarithms of numbers.

The value of the Eular's number is approximately;

e\approx2.71828182846...

It can continue till infinity, however approximations of this number is always used to avoid unnecessary complications.

Therefore, rounded to 3 decimal places, the value of e is now;

ANSWER:

e\approx2.718

Note that we take 3 digits aftre the decimal and then if the fourth digit after the decimal is 5 or greater than 5, we make it 1 and add that 1 to the third digit after the decimal. Otherwise we simply make it zero and cancel it along with all other digits after it.

The digit that follows 8 (third digit) is less than 5, therefore, we write it off along with all other digits after it, and we are left with the decimal point and then ...718.

Option C is the correct answer.

8 0
1 year ago
PLEASE ANSWER ASAP!<br> LOOK AT THE PIC ATTACHED:<br> (please show work!)
Mashutka [201]

Answer:

looking for anwser now

Step-by-step explanation:

5 0
3 years ago
Jon is 14 years older than Philip.Two years from now,Jon will be 3 times as old as Philip.How old is each now?
DanielleElmas [232]

Philip is 5 years old and Jon is 19 years old now.

Step-by-step explanation:

Step 1 :

Let x be the age of Philip Now

Since Jon is 14 years older than Philip,

Age of Jon = 14 + x

Step 2 :

After  2 years,

Age of Philip = x+ 2

Age of Jon = 14+x+2 = 16+x

Step 3 :

Given that in 2 years, Jon will be 3 times as old as Philip.

So we have 16 + x =3(x+2)

=> 16 + x = 3x +6

=> 2x = 10 = x = 5

Hence age of Philip is 5 years

Age of jon = x + 14 = 5+ 14 =19 years

7 0
4 years ago
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