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lakkis [162]
3 years ago
8

Solve systems using substitution PLEASE

Mathematics
1 answer:
skad [1K]3 years ago
4 0
X=5. y=35.

To solve, substitute the 7x into the equation for y. Solve. You get x=5. Then put that into your first equation. Solve. You get y=35. Hope that helps!!
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Step-by-step explanation: Googled it.

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Sallys overtime pay rate is 2 times her reguraly hourly pay rate of $6.55. What is her overtime pay rate?
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Her overtime pay is 13.10 dollars I think.
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4 years ago
Find the roots for y = 3x2 - 5x - 1
Mars2501 [29]

Step-by-step explanation:

3x squared - 5x - 1 equals 0 using the method of completing the square he gets 3 x square - 5 x equals one and then x squared - 5/3 x is equal to 1 what does dividing should I pray then you come down you get X squared - 5/3 x into (- 5/6 or squared is equals 1/3 + but it will be negative 5/6 or squared you good like them send any you get so at the end your roots are going to be x equals 1.847 or x equals negative 0.180 results

8 0
3 years ago
Solve this simultaneous equation using subsitution<br> 5x-4y=-1<br> 2x+y=10
Morgarella [4.7K]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Claire's bedroom measures 16 feet by 18 feet if the purple carpet that she wants to buy costs $3.59 per square foot what will it
katovenus [111]

Answer:

Cost of purple carpet for Claire's bedroom is $1033.92.

Step-by-step explanation:

Given:

The dimension of bedroom are given as 16 feet and 18 feet.

Hence we can say that;

Length = 18 feet

width = 16 feet

Cost of carpet per square feet = $3.59

We will first find the area of the bedroom.

Area of bedroom can be calculated by multiplying length with width.

Area of bedroom = 16 \times 18 = 288 ft^2

Hence Area of bedroom is 288 square feet.

Now we know that;

Cost of carpet per square feet = $3.59

Hence Cost of carpet  for 288 square feet is ;

we will unitary method to find the same;

Cost of carpet for bedroom = \$3.59 \times 288 = \$1033.92

Hence Cost of carpet for Claire's bedroom is $1033.92.

Step-by-step explanation:

6 0
3 years ago
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