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Delvig [45]
3 years ago
13

The base length of a triangle is 4 feet and the height is 2 feet. What is the area of the triangle? (5 points) a 2 square feet b

4 square feet c 6 square feet d 8 square feet
Mathematics
1 answer:
shusha [124]3 years ago
3 0

Answer:

B. 4 square feet

Step-by-step explanation:

The formula for area of a triangle is length x height / 2 so 4 x 2 is 8 then divided by 2 is 4.

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uranmaximum [27]

The solutions to the system of equations are given as follows: (1, -3) and (-4,2).

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

The equations are given as follows:

  • (x + 3)² + (y + 2)² = 17.
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From the second equation:

y = -2 - x.

Replacing in the first:

(x + 3)² + (y + 2)² = 17.

(x + 3)² + (-2 - x + 2)² = 17

x² + 6x + 9 + x² = 17

2x² + 6x - 8 = 0

2(x² + 3x - 4) = 0

2(x + 4)(x - 1) = 0.

Then the solutions for x are:

  • x + 4 = 0 -> x = -4.
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The solutions for y are:

  • When x = 1, y = -2 - 1 = -3.
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Hence the solutions are:

(1, -3) and (-4,2).

More can be learned about a system of equations at brainly.com/question/24342899

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8 0
2 years ago
An item is regularly priced at $39. Ashley bought it at a discount of 55% off the regular price.
enot [183]

55% off the regular price means she paid 45% of the regular price. ( 100% - 55% = 45%

Multiply the original price by 45%:

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She paid $17.55

(If you need to know how much she saved:  39 - 17.55 = $21.45)

5 0
3 years ago
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The restaurant needs at least 761 forks.

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AleksAgata [21]

Answer:

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Step-by-step explanation:

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3 years ago
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The sum of b and f is b+f

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