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hoa [83]
3 years ago
13

Please do all four, thanks :) I'm feeling generous today *40 points*

Mathematics
2 answers:
MrMuchimi3 years ago
8 0

Step-by-step explanation:

A. x^2-9x+18

B. x^2-8x+16

C. 2x^2-5x-12

D. 12x^2-31x+7

Lady bird [3.3K]3 years ago
5 0

Answer:

I answered my own brainly question :)

Step-by-step explanation:

Hi

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In order to join a flying club,there is a $200 annual fee and $20 a month fee to maintain the flying club runaway.Write an equat
Fudgin [204]

Answer:

The equation modelling the situation is T=200+20m.

After <u>10 months</u> the cost would be $400.

Step-by-step explanation:

Given:

Annual Fee of flying club = $200

Monthly fee = $20

We need to write an equation for total cost.

Solution:

Let the number of months be denoted 'm'

Let Total cost be denoted by 'T'

Now we can say that:

Total cost is equal to sum of Annual Fee of flying club plus Monthly fee multiplied by number of months.

framing in equation form we get;

T=200+20m

Hence The equation modelling the situation is T=200+20m.

Now given:

We need to find the number of months when total cost will be $400

So we will substitute T= 400 in above equation.

200+20m=400

Subtracting both side by 200 we get;

200+20m-200=400-200\\\\20m=200

Dividing both side by 20 we get;

\frac{20m}{20}=\frac{200}{20}\\\\m=10 \ months

Hence After <u>10 months</u> the cost would be $400.

6 0
2 years ago
Suppose the current cost of gasoline is
Elodia [21]

Answer:

The current price index number is $604.2.

Step-by-step explanation:

The index value is the ratio between the current value and the reference value, multiplied by 100.

In this problem, we have that:

Current value = $3.48

Reference value: $0.576

Index price = (3.48/0.576)*100 = $604.2.

The current price index number is $604.2.

4 0
3 years ago
Round to the nearest thousand.<br><br> 88,651<br> 6th grade mafs
7nadin3 [17]

Answer: 89,000

Step-by-step explanation:

6 0
3 years ago
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6+n/5= -4. Solve for n.
Vladimir [108]
1. Subtract the 6 from both sides
n/5= -10

2. Multiply both sides by 5
n= -50
8 0
3 years ago
Evaluate the expression 120n + 160 then n=5
Mamont248 [21]

Answer:

760

Step-by-step explanation:

First you multiply 120 by 5 because n equals five which equals 600 then add 160 which equals 760

5 0
2 years ago
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