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Bond [772]
3 years ago
5

Help plzzzzzzz.... I don’t understand this

Mathematics
1 answer:
saveliy_v [14]3 years ago
7 0

Answer:

Surface area is the sum of all of the areas of the faces in a solid figure. To find the surface area, we must be able to calculate the area of each face and then add these areas together. A net is a two-dimensional diagram of a three-dimensional figure. With a net, we can see each face of the pyramid more clearly. To find the surface area, we need to calculate the area for each face in the net, the sides and the base. The side faces of a pyramid are always triangles, so we use the area formula for triangles to calculate their area: A=1/2 bh (BASE TIMES HEIGHT)..

Step-by-step explanation:

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Find the area of the shaded region <br>​
tatiyna

Answer:

9.82 inches²

Step-by-step explanation:

both areas are equally sized, so they are both half of the whole circle.

circle area : pi × r²

half of the circle area is therefore pi × r² / 2

the picture gives us the diameter of the circle, the radius is half of the diameter.

=> r = 5/2 = 2.5

=> shaded area = pi × r² / 2 = pi × (2.5)² / 2 = 9.82 inches²

4 0
3 years ago
Walt is mixing fruit punch for a party. He combines 1 gallon 2 quarts 3 pints of orange juice, 1 gallon 3 quarts 7 pints of pine
Soloha48 [4]
1 gal    2 qts    3 pts
1 gal    3 qts    7 pts
1 gal    3 qts    3 pts
---------------------------add
3 gal    8 qts    13 pts

1 pt = 0.5 qts...so 12 pts = 12* 0.5 = 6...so now we have :
3 gal   14 qts   1 pt

1 qt = 0.25 gal..so 12 qts = 12 * 0.25 = 3 gallons...so now we have :
6 gal   2 qts   1 pt <===
7 0
3 years ago
A rectangular airstrip measures 32.30 m by 210 m, with the width measured more accurately than the length. Find the area, taking
Bingel [31]

Answer: (d). Area = 6.8 × 10^3 m^2 (to 2 significant figure)

Step-by-step explanation:

The area to find rectangular is:

Area = length × breadth

Area = 32.30 × 210

Area = 6783 m^2

Area = 6.8 × 10^3 m^2 (to 2 significant figure)

5 0
4 years ago
Which of the following fractions is not equivalent to 2?<br> 3<br> 6<br> 0 10<br> IN<br> 4.
Vesna [10]

Answer they are all equivalent

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
What's the recursive formula of the geometric sequence below?
yKpoI14uk [10]

Answer:

Hey there!

We have an=a1(r^n-1), which is the formula for a geometric sequence.

The common ratio is 3, and 2 is the 1st term.

Thus, we have a1=2(3)^(n-1)

Hope this helps :)

5 0
3 years ago
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