3 years ago

What is the volume of this right triangular pyramid?

1 answer:

4 0

The volume of a triangular pyramid can be found using the formula V = 1/3AH where A = area of the triangle base, and H = height of the pyramid or the distance from the pyramid's base to the

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Two-fifths of the senior class earned a grade of B+ or higher on an advanced mathematics exam.

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Jennifer bought 5 meters of ribbon. She gave 2 meters of ribbon to her sister. Jennifer will use some or all of the remaining ri

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2 years ago

Factor completly 4x^2 +8x -5

DaniilM [7]

∑ Hey, jillianwagler ⊃

Answer:

$\left(2x-1\right)\left(2x+5\right)$

Step-by-step explanation:

║Given info║:

Factor completely: $4x^2 +8x -5$

Solution~:

Breaking the expression~: $\left(4x^2-2x\right)+\left(10x-5\right)$

Factor out 2x from 4x² -2x : 2x(2x-1)

Factor out 5 from 10x - 5 : 5(2x - 1)

Put together: $=2x\left(2x-1\right)+5\left(2x-1\right)$

Factor out 2x - 1: $=\left(2x-1\right)\left(2x+5\right)$

xcookiex12

8/19/2022

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2 years ago

An item has a listed price of $40. If the sales tax rate is 7%, how much is the sales tax (in dollars)?

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The tax is $2.80 but the total is $42.80

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