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andrew11 [14]
3 years ago
12

Which solid has two bases that are triangles and three lateral surfaces that are rectangles

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
3 0
A triangular pyramid has 3 rectangular sides and a top and bottom triangular base.
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Pleaseeeee help, I need this now...
hoa [83]

Answer:

7/16.  

Step-by-step explanation:

The first triangle has no shading.

The second triangle has 1/4 shaded.

The third has 3/9.

The fourth has 6/16.

Based on this pattern, we can assume that the number of small triangles in each triangle are going to be squared of numbers, since the first had 1, the second 4, the third 9, the fourth 16. So, the 8th triangle would have 8^2 small triangles, or 64 triangles in total.

The first triangle has no shaded triangles. The second has 1. The third has 3. The fourth has 6. If you study the pattern, the second triangle has 1 more than the previous, the third has 2 more, the fourth has three more. And so, the fifth triangle would have 6 + 4 = 10 triangles, the sixth would have 10 + 5 = 15 triangles, the seventh would have 15 + 6 = 21 triangles, and the eighth would have 21 + 7 = 28 shaded triangles.

So, the fraction of shaded triangles would be 28 / 64 = 14 / 32 = 7 / 16.

Hope this helps!

3 0
3 years ago
Which of the following statements are true about the figure above?<br> Check all that apply.
mars1129 [50]

Answer:

a and c

Step-by-step explanation:

because its a 3rd demenshion sphere

3 0
2 years ago
Can someone help me please!!
hodyreva [135]

Answer:

  1. idk

Step-by-step explanation:

i just need points :/ v

8 0
3 years ago
How to write 5,484.366 in expanded form
Flauer [41]
5,000+400+80+4+.3+.06+.006
8 0
3 years ago
B) Amount<br>Rs 5760, Interest<br>Rs 1526​
Crazy boy [7]

Given :

Amount, A = 5760 Rs.

Interest in the amount, I = 1526 Rs.

To Find :

We need to find the % rate of interest.

Solution :

Let, us assume it is simple interest.

So,

Interest = \dfrac{price \times  rate \times  time}{100}\\\\1526 = \dfrac{5760 \times r \times m}{100}\\\\r = \dfrac{152600}{5760m}\\\\r = \dfrac{26.5}{m}

Hence, this is the required solution.

6 0
3 years ago
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