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2 years ago

7

Doug makes a parallelogram-shape sign for his shop. What is the area of this parallelogram? Round to the nearest hundredth. A) 5

.32 ft² B) 8.96 ft² C) 14.28 ft² D) 17.02 ft²

2 answers:

Nady [450]2 years ago

6 0

1.9x2.8 + 3.2+2.8 = 14.28

julsineya [31]2 years ago

5 0

It's 14.28 Just Took The Quiz:D

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Ben and Alyssa play a game in which they earn the same number of points for each goal and lose the same number of points for eac

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Each goal gives 5 points and a penalty costs 7 points.

Step-by-step explanation:

Let a penalty cost = x points

And a goal gives = y points

Ben makes 7 goals and 2 penalties ending the game with 21 points,

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Alyssa makes 10 goals and 8 penalties ending the game with (-6) points,

10y - 8x = -6

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Equation (1) multiplied by 2, then subtracted from equation (2),

(5y - 4x) - 2(7y - 2x) = -3 - 2(21)

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2 years ago

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2 years ago

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3 years ago

Use the identity (x2+y2)2=(x2−y2)2+(2xy)2 to determine the sum of the squares of two numbers if the difference of the squares of

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Answer:

The sum of the squares of two numbers whose difference of the squares of the numbers is 5 and the product of the numbers is 6 is <u>169</u>

Step-by-step explanation:

Given : the difference of the squares of the numbers is 5 and the product of the numbers is 6.

We have to find the sum of the squares of two numbers whose difference and product is given using given identity,

$(x^2+y^2)^2=(x^2-y^2)^2+(2xy)^2$

Since, given the difference of the squares of the numbers is 5 that is $(x^2-y^2)^2=5$

And the product of the numbers is 6 that is $xy=6$

Using identity, we have,

$(x^2+y^2)^2=(x^2-y^2)^2+(2xy)^2$

Substitute, we have,

$(x^2+y^2)^2=(5)^2+(2(6))^2$

Simplify, we have,

$(x^2+y^2)^2=25+144$

$(x^2+y^2)^2=169$

Thus, the sum of the squares of two numbers whose difference of the squares of the numbers is 5 and the product of the numbers is 6 is 169

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2 years ago

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Can someone please help me solve this?

cestrela7 [59]

Answer:

(a)

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Given

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2 years ago

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