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Gala2k [10]
3 years ago
5

What is the surface area of the squared pyramid?

Mathematics
1 answer:
White raven [17]3 years ago
7 0

Answer:

A≈11.28

Step-by-step explanation:

A=a²+2a  √((a²/4) +h^2)

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Simplify: ⅕y - ⅗y + 5 - ⅖y - 8<br> pls
MrRissso [65]

Answer:

The answer is -(4/5)y - 3.

Step-by-step explanation:

The steps are :

\frac{1}{5} y -  \frac{3}{5} y + 5 -  \frac{2}{5} y - 8

= ( \frac{1 - 3 - 2}{5} y) + (5 - 8)

=  -  \frac{4}{5} y - 3

5 0
3 years ago
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If 2x/3 = 8/4, then x=
velikii [3]

Answer:

first cross multiply

2x×4=3×8

8x=24

then, divide both sides by "8" so x could be alone

x=24/8

x=3

i hope this helps, please give me brainliest

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Step-by-step explanation:

3 0
3 years ago
Select all the pairs of expressions that are equivalent.
Aloiza [94]

Answer:

14d + 21 = 7(2d + 3)

16 + 4w = 2(2w + 8)

Step-by-step explanation:

14d + 21

7(2d + 3)

14d + 21

14d + 21 = 7(2d + 3)

9(5r - 2)

45r - 18

14r - 7

9(5r - 2) ≠ 14r - 7

8(69 - 9)

552 - 72

489 - 72

8(69 - 9) ≠ 489 - 72

16 + 4w

2(2w + 8)

4w + 16

16 + 4w = 2(2w + 8)

32t + 16

16(2 - t)

32 - 16t

32t + 16 ≠ 16(2 - t)

6 0
3 years ago
PLEASE HELP ASAP!!! I WILL AWARD BRAINLIEST!!
iVinArrow [24]

Answer:

A

Step-by-step explanation:

3 0
3 years ago
A heart shaped chocolate box is composed of one square and two half circles. The total number of chocolates in the box is calcul
Scrat [10]

Answer:

4²+3²+2=69

Step-by-step explanation:

7 0
3 years ago
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