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slamgirl [31]
3 years ago
8

Brian, Alex & Colin share some money in the ratio 1:9:3.

Mathematics
1 answer:
fiasKO [112]3 years ago
3 0

Answer:

Step-by-step explanation:

1:9:3

brian gets x

alex gets 9x

colin gets 3x

Brian and colin receive 40

x + 3x = 40

x = 10

alex gets 9x = £90

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To rent a moving truck there is a fee of $150 and each mile you drive costs an extra $1.75 per mile, where R(x) is the total cos
abruzzese [7]

Answer:

$318

Step-by-step explanation:

First, we want to set up an equation to solve this problem by using the information given to us. We're asked for the total cost, so we want one side of the equation to be R(x)=. Then, we know that the initial cost is $150, no matter how many miles we drive. We are also told that each mile is $1.75.

R(x)=150+1.75x

The problem tells us that we are driving 96 miles, so we can plug in 96 for x and solve.

R(x)=150+1.75(96)\\R(x)=150+168\\R(x)=318

The total cost of the rental is going to $318.

Hope this helps!

8 0
3 years ago
A real estate agent normally charges 4% commission to the seller. To make an offer of $172,000 seem more attractive to a seller,
Nataly [62]

Answer:

The amount saved is $3,010

Step-by-step explanation:

Here, we want to calculate the amount saved

On the normal 4%, the amount charged is

4/100 * 172,000 = $6,880

For the 2.25%, we have

2.25/100 * 172,000 = $3,870

The amount saved is thus;

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3 years ago
If f(x)= x^2-x+1 and g(x)= 2x-1 then what is g(f(3))
Inessa05 [86]
Hello,

f(x)=x²-x+1
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g(f(x))=g(x²-x+1)=2(x²-x+1)-1=2x²-2x+1

g(f(3))=2*3²-2*3+1=18-6+1=13
4 0
3 years ago
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