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TiliK225 [7]
3 years ago
12

Please help me with this math question. Help me check my answer and I need help with b​

Mathematics
1 answer:
pickupchik [31]3 years ago
3 0

Answer:

The work shown here is correct.

It simplifies to 17x + 36y + 5.

Step-by-step explanation:

In this situation, there are four different items being purchased. This means their will be a sum of 4 terms. Each term will be the number of the item times its cost. When added together, the four terms will represent the total cost.

7 pens at $x is 7x

5 pens at $(2x+3) is 5(2x+3)

y pens at $6 is 6y

(3y-1) pens at $10 each is 10(3y-1)

All together the cost expression is 7x + 5(2x+3) + 6y + 10(3y -1).

Simplify by applying the distributive property and combine like terms.

7x + 10x + 15 + 6y + 30y - 10

17x + 36y + 5

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-$34.725

Step-by-step explanation:

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The price of one share of a company's stock declined $13.89 every day for 2.5 days. What was the stock's total decline in price? Which estimate uses compatible numbers to estimate the problem? What is the exact answer?

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What is the area of this triangle? 1375 ft² 1500 ft² 3300 ft² 4500 ft².
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Area of a triangle is half the area of a rectangle. The area of the triangle whose base length is 10 ft and the height is 30 ft is 1500 ft².

<h3>What is the area of the triangle?</h3>

The area of a triangle is half the area of a rectangle, therefore, it's half the product of the base and height of the triangle.

We know about the formula of the area of a triangle, also, the length of the base(10 ft) and the height(30 ft) of the triangle is given to us, therefore, substitute the values in the formula of the area of the triangle,

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Hence, the area of the triangle whose base length is 10 ft and the height is 30 ft is 1500 ft².

Learn more about Triangle:

brainly.com/question/25813512

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