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2 years ago

What is the volume of this triangular pyramid?

Mathematics

2 answers:

Anna007 [38]2 years ago

8 0

Answer:

Step-by-step explanation:

V=1/3Ah

A is the area of the base

h is the height

zheka24 [161]2 years ago

4 0

Answer:

72 cubic inches

it's the good answer I looked at it twice

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Find the points where the line y = x - 1 intersects the circle x2 + y2 = 13

nata0808 [166]

Answer:

(-2,-3) and (3,2)

Step-by-step explanation:

sub in x-1 into y

x^2 + (x-1)^2 = 13

x^2 + (x-1)(x-1)=13

x^2 + x^2 -2x +1 = 13

2x^2 -2x-12=0

solve for x by factoring (quadratic formula, product sum etc..)

x= -2 and 3

plug in those values into y=x-1 and solve for y

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3 years ago

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State the common difference for the given A.P.3/2,1/2,-1/2,-3/2,......

a_sh-v [17]

Answer:

-1

Step-by-step explanation:

The common difference is the constant amount of change between the numbers in an arithmetic sequence.

To find the common difference, you take the last term and subtract it by the previous term.

$\frac{-3}{2} - \frac{-1}{2} =-1$

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2 years ago

The temperature in fargo was -28 degrees on monday afternoon. by the evening it dropped an additional 15 degrees. what was the t

sashaice [31]

Step by step explanation: -28-15

When adding negative with positive it will always be negative so for this question, subtract -28 with 15 which would be -43. So -43 would be the temperature in the evening.

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2 years ago

Find the simple interest on#24000 at 5% per annum for a period of 4 years

algol [13]

Look at the attached picture

Hope it will help you...

Good luck on your assignment

~pragya

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3 years ago

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Identify terms and factors: - 4x + 2x2 y

DedPeter [7]

Answer:

=2x2y−4x

Step-by-step explanation:

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3 years ago

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