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sineoko [7]
3 years ago
10

1 consider the surface area of the pyramid shown

Mathematics
1 answer:
lesya [120]3 years ago
4 0
1A. A = 1/2bh
1/2 x 4 x 3.46
A = 6.92 square ft

1B. A = bh
4 x 6
A = 24 square feet

1C. 24 + 6.92 = 30.92 square feet

The surface area of those 2 pieces is 30.92 square feet.

2A. SA = (6.92 x 2) + (24x3)
13.84 + 72
SA = 85.84 Square feet
It would take 85.84 square feet if fabric to make the tent.

3A. V = lwh
1/2 x 2 x 7/2
7/2 cubic inches

You can fit 3 1/2 cubes with side lengths of 1 in because each cube would be 1 cubic inch.

3B. The volume of a cube with edges that are 1/2 in. would be 1/2/ x 1/2 x 1/2 = 1/8 cubic inch.

You would divide 7/2 into groups of 1/8 by multiplying 7/2 by the reciprocal of 1/8.

7/2 x 8/1 = 28 cubes.
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True or false by definition a simple random sample of size n
Sophie [7]
True

I hope I helped you out
7 0
3 years ago
Use the formula to evaluate the infinite series. Round to the nearest hundredth if necessary.
bagirrra123 [75]

Answer:

1.25.

Step-by-step explanation:

The common ratio r  is 1/5 and the first term a1 = (1/5)^(1-1) = 1.

Sum to infinity =  a1 / (1 - r)

=  1 / (1 - 1/5)

= 1 / 4/5

= 5/4

= 1.25 (answer)

8 0
3 years ago
Read 2 more answers
PLS HELP ME HELP PLS THANK YOU
Volgvan

Answer:

1920 cubic centimeters

Step-by-step explanation:

If you recall the formula to find volume, it is V=Bh (Bh stands for area of the base times the height). First, multiply 14, 8, and 10 together, to get 1120, the volume of the first figure. To find the volume of the second figure, do the same: multiply 10, 10, and 8 together to get 800. Finally, add the two volumes together to get the volume of the figure, 1920 cubic centimeters.

8 0
2 years ago
What value of a makes the equation true 30/45=6/a
rusak2 [61]
As you know 30/45 = 6/9 
So a = 9 makes the equation true


5 0
3 years ago
Given: If x, then not y, if not y, then z.<br> Y is true. So:
Fed [463]

If x, then not y, if not y, then z. Y is true. So: X is true, Z is True

<h3>How to Interpret Conditional Statements?</h3>

A conditional statement is a type of structure to express the relationship between two dependent variables. Its structure is as follows:

If P, then Q...

Now, from the question we are told that;

If x, then not y, if not y, then z.

Y is true. So:

Now, when looking at conditional statements in depth, and comparing to this question we can easily see that since Y is true, then it means that if X is true, then Z is also true.

Thus,

If x, then not y, if not y, then z.

Y is true. So: X is true, Z is True

Read more about Conditional Statements at; brainly.com/question/11073037

#SPJ1

8 0
1 year ago
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