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barxatty [35]
3 years ago
13

3. The student council is selling roses to collect funds for a charity. The graph be

Mathematics
1 answer:
dexar [7]3 years ago
5 0

Answer:

Unit = 3

Step-by-step explanation:

Given

See attachment for graph

Required

The unit cost

Pick any point on the dots of the graph; we have:

(x,y) = (2,6)

The unit cost is then calculated as:

Unit = \frac{6}{2}

Unit = 3

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Simplify the following expression.<br><br> 99 - 3[15 - (2 + 1)]
Vikki [24]

Answer:

63

Step-by-step explanation:

2+1= 3

15-3= 12

12 x 3 = 36

99 - 36

= 63

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3 years ago
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Simplify (write without the absolute value sign): <br><br> |x÷3|, if x &lt; 0
polet [3.4K]

Answer:

0

Step-by-step explanation:

zero divided by anything that is integral is zero and 3 in a integer

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Which is the graph of f(x) = -3_/x?
Delicious77 [7]

Answer:

6

Step-by-step explanation:

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3 years ago
The expression 2( 21x + 75 ) represents the monthly tuition and the one-time materials fee that Jamie pays for his two children
ss7ja [257]

Answer:  x represents the number of months, 150 represents one-time materials fee,  2( 21x + 75 ) represents total fees in x months and 42 represents rate of change.

Step-by-step explanation:

Since, Here the expression 2( 21x + 75 ) represents the monthly tuition and the one-time materials fee that Jamie pays for his two children to join a science club.

Let, f(x) represents the monthly tuition fee

Therefore, f(x)= 2( 21x + 75 )

⇒f(x)= 42 x +150

Again according to the question, there is a one-time materials fee which must be free from the variable.

Therefore In f(x) , 150 must represent one time material fees.

And, x is variable, and here number of months is a variable.

Thus, x must be denote the number of months.

And, 42 must be denote the fees for 1 month.



8 0
3 years ago
What’s 45 divided by 14.04
Vladimir79 [104]

Answer:

3.205

Step-by-step explanation:

convert the decimal number to a fraction

45 \div  \frac{351}{25}

To divide by fraction, multiply by the reciprocal of that fraction

45 \times  \frac{25}{351}

Reduce the numbers with the greatest common divisor 9

5 \times  \frac{25}{39}

Calculate the product

\frac{125}{39}

Now turn it to a decimal which will be

3.20513

8 0
3 years ago
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