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3 years ago

What is the difference between the height and the slant height of a pyramid?

2 answers:

8 0

The height is the measurement from the base to the top straight up.

The Slanted height is the height from base to top on one face of the pyramid.

joja [24]3 years ago

6 0

<h2>Answer:</h2>

The height of a pyramid is the perpendicular height of the apex above the base. Apex is the pin point above the pyramid, where all the triangular faces join.

The slant height of a pyramid is defined as the distance measured along a lateral face of the pyramid from the base to the apex along the center of the face.

The slant height is found by using the Pythagorean theorem where the slant height is the hypotenuse of the right triangle.

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Techechtium-99m has a half-life of 6 hours. If 1000mg is in use, in how many hours will 62.5mg remain?

Nady [450]

One half life 1000 mg to 1000/2 =500 mg
One half life 500 mg to 500/2 = 250 mg
One half life 250 mg to 250/2 = 125 mg
Etc .......

7 0

3 years ago

WILL GIVE BRAINLIST HELP FAST PLEASE

fenix001 [56]

Answer:

The answer is 250

3 0

3 years ago

Read 2 more answers

Researchers watched dolphin groups off the coast of Ireland in 1998 to determine what activities the dolphin groups partake in a

Arte-miy333 [17]

The table of the number of dolphins is used to illustrate probability

The probability that a dolphin group is partaking in travel is 0.2063

<h3>How to determine the probability</h3>

From the table, we have:

The total number of dolphin group = 189
The total number of dolphin group that partake in travel = 39

So, the probability that a dolphin group is partaking in travel is calculated as:

p = 39/189

Divide

p = 0.2063

Hence, the probability that a dolphin group is partaking in travel is 0.2063

Read more about probability at:

brainly.com/question/25870256

5 0

2 years ago

What is the value of D to the nearest tenth ?

Naily [24]

<span> If two secants intersect from a point outside of the circle, then you can use formula:

26(26 + d) = 22(22 + 40)
676 + 26d = 22 * 62
26d = 1364 - 676
26d = 688
d = 688/26
d = 26.5 </span>← to the nearest tenth

8 0

3 years ago

How to solve this problem?

valentinak56 [21]

Very nice handwriting but the math and English are confusing.

Let's assume we're told

$\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2$

The subscript is important.

I think we're told the similar sum with 11 gives the smallest possible value for the sum. This is a rather cagey way of telling us 11 is the mean of the nine points. The mean is the number which minimizes the sum of squared deviations.

$\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2 = \sum x_i^2 - 20 \sum x_i + 9(100)$

$\displaystyle \sum x_i^2= 20 \sum x_i - 900$

If 11 is the mean, the sum of the points is 9(11)=99.

$\displaystyle \sum x_i^2= 20 (99) - 900 = 1080$

Answer: 1080

6 0

3 years ago