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Mashutka [201]
3 years ago
15

4. Solve the simultaneous equations x+2y=3 2x+3y = 5

Mathematics
2 answers:
musickatia [10]3 years ago
5 0
Okay

x+2y=3 - equation 1
2x+3y=5 -equation 2
Multiple equation 1 by 2
Giving you
2x+4y=6 - equation 3
Subtract equation 3 - equation 2
Giving you
Y=1
Put Y =1 into equation 1
Giving you
x+2(1)=3
x=3-2
x=1
gavmur [86]3 years ago
3 0

Step-by-step explanation:

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Solve the following equation by using the distributive property: 5(x - 4) = 6
Pani-rosa [81]
You do 5 times x and 5 times 4 and you’d end up with equation that says 5x-4=6. The you add 4 to both sides of the equation to cancel out the 4. Your equation should now say 5x=10. You divide both sides by 5 and you have your answer x=2
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3 years ago
What is 8.275 rounded to the nearest ounce?​
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Step-by-step explanation:

3 0
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Brainly the owner of a hat store buys a hat for 5.50 he uses a markup rate up 105% what is the sale price of the hat
nirvana33 [79]

11.275 is the sale price of the hat

<u>Step-by-step explanation:</u>

Brainly the owner of a hat store buys a hat for 5.50 and he uses a mark-up rate is 105%. Need to find out what is the sale price of the hat.

Here, given data, cost price of hat = 5.5. Let the selling price of hat be x and find the data as asked in question,

                \text {Markup rate}=\frac{S . P .-C . P .}{S . P .} \times 100

                105=\frac{x-5.5}{5.5} \times 100

                \frac{105 \times 5.5}{100}=x-5.5

                \frac{577.5}{100}=x-5.5

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Where,

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C.P - cost price

Therefore, x = 11.275 is the sale price of the hat.

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