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Reika [66]
3 years ago
11

Will mark brainliest pleassse help someone

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
6 0

Check the picture below.

\bf \textit{volume of a pyramid}\\\\ V=\cfrac{1}{3}Bh~~ \begin{cases} B=&area~of\\ &its~base\\ h=&height\\ \cline{1-2} B=&\stackrel{9\times 9}{81}\\ h=&10 \end{cases}\implies V=\cfrac{1}{3}(81)(10)\implies V=270

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I need help with q5
Roman55 [17]
Percent increase = ((new number - original number) / (original number)) x 100.

percent increase = ((3000 - 2500) / 2500)) x 100 =
                                   (500 / 2500)....x 100 =
                                     0.2 x 100 =
                                      20% increase <====
                                
7 0
3 years ago
Please helppppppppppppp
lilavasa [31]

Answer:

a

Step-by-step explanation:

Divide the money raised by the number of laps skated.

$600.00 ÷ 1200 = $0.50 → a

3 0
2 years ago
The pyramid shown has a square base that is 24 inches on each side. The slant height is 20 inches. What is the surface area of t
kondaur [170]

Answer:

Surface area of pyramid = 1536 square inches.

Step-by-step explanation:

Surface area of a pyramid with the square base will be = surface area of base + 4× slant surfaces of the pyramid

area of square base = 24×24 = 576 inches²

area of one slant side of pyramid = (1/2)×side × slant height = (24×20)/2 = 240 square inches

Therefore surface area of complete pyramid = 4×area of slant side + surface area of square base = 4×240 + 576 = 960 + 576 = 1536 square inch.

7 0
3 years ago
Use a common denominator to write an equivalent fraction for each fraction. 5/12, 2/9
lapo4ka [179]

Answer: common denominator 108

Step-by-step explanation:

Gcf= 108

9 * 12

45/108 and 24/108

6 0
2 years ago
Which of the following inequalities is best represented by this graph?
Nataly [62]
For this case, the first thing to do is find the equation of the line correctly and then see which of the inequalities represents the shaded region.
 We have then:
 5x - y = 2
 For x = 0 
 5 (0) - y = 2
 -y = 2
 y = -2
 For y = 0
 5x - 0 = 2
 5x = 2
 x = 2/5 = 0.4
 Therefore the line is:
 5x - y = 2 
 Then, we see that for the point (0, 0)
 5x - y ≥ 2
 5 (0) - (0) ≥ 2
 0 ≥ 2
 The inequality is not met, which is correct because this point is not part of the shaded region.
 Answer:
 The inequality that best is represented by the graph if: 
 5x - y ≥ 2
5 0
3 years ago
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