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3 years ago

26,862÷407= PLZZZZ HELPPP

Mathematics

1 answer:

tino4ka555 [31]3 years ago

7 0

26,862 divided by 407 is 66

Here's the long division way that shows how you get 66

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What is sum of -3x^2 - 7x + 9 and - 5x^2 + 6x - 4

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3 years ago

Match each expression to its simplified form 9(x+2)

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Answer:

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Step-by-step explanation:

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Solve for u. 31.25 = u/5

ipn [44]

Answer:

u = 156.25

Step-by-step explanation:

Step 1: Write equation

31.25 = u/5

Step 2: Solve for u

Multiply both sides by 5: 156.25 = u
Rewrite: u = 156.25

Step 3: Check

Plug in u to verify it's a solution.

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<h3>The lateral area for the pyramid with the equilateral base is 144 square units</h3>

Solution:

The given pyramid has 3 lateral triangular side

The figure is attached below

Base of triangle = 12 unit

Find the perpendicular

By Pythagoras theorem

$hypotenuse^2 = opposite^2 + adjacent^2$

Therefore,

$opposite^2 = 10^2 - 6^2\\\\opposite^2 = 100 - 36\\\\opposite^2 = 64\\\\opposite = 8$

Find the lateral surface area of 1 triangle

$\text{ Area of 1 lateral triangle } = \frac{1}{2} \times opposite \times base$

$\text{ Area of 1 lateral triangle } = \frac{1}{2} \times 8 \times 12\\\\\text{ Area of 1 lateral triangle } = 48$

Thus, lateral surface area of 3 triangle is:

3 x 48 = 144

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3 years ago