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lina2011 [118]
3 years ago
15

Pls help me I have to finish this!!!!!

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
4 0
Regression 1. Urstsitdyxkyxktakgzkydlyxkyskgz
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Three oblique pyramids have the same regular square base. Which one has a volume of 15 cubic units if the area
Verizon [17]

Answer:

B

Step-by-step explanation:

5 0
3 years ago
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A circle has a diameter of 22mm. What is its circumference ?
Artist 52 [7]

Answer:

22\pi

Step-by-step explanation:

Circumference = diameter * pi = 22 * pi

7 0
3 years ago
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4(5x + 9)^2 – 33 = -21
ozzi

Answer:

x = sqrt(3)/5 - 9/5 or x = -9/5 - sqrt(3)/5

Step-by-step explanation by completing the square:

Solve for x over the real numbers:

4 (5 x + 9)^2 - 33 = -21

Add 33 to both sides:

4 (5 x + 9)^2 = 12

Divide both sides by 4:

(5 x + 9)^2 = 3

Take the square root of both sides:

5 x + 9 = sqrt(3) or 5 x + 9 = -sqrt(3)

Subtract 9 from both sides:

5 x = sqrt(3) - 9 or 5 x + 9 = -sqrt(3)

Divide both sides by 5:

x = sqrt(3)/5 - 9/5 or 5 x + 9 = -sqrt(3)

Subtract 9 from both sides:

x = sqrt(3)/5 - 9/5 or 5 x = -9 - sqrt(3)

Divide both sides by 5:

Answer:  x = sqrt(3)/5 - 9/5 or x = -9/5 - sqrt(3)/5

7 0
4 years ago
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Someone please i need help on my geometry homework !!!!
saveliy_v [14]

Answer:

x= 9

Step-by-step explanation:

13x+2+3x-4+5x-7=180

21x-9=180

21x=189

x=9

3 0
3 years ago
Write an equation to match each graph:
morpeh [17]

Write an equation to match each graph.

Solution:

The first graph is V shaped graph centered at origin, (0,0) and the graph is not shifted or translated. So, the equation of first graph is,

y=|x|

The second graph is V shaped graph centered at (1,0) and y=|x| is horizontally shifted right by 1 unit. So, the equation of second graph is,

y=|x-1|

The third  graph is also V shaped but, it is inverted V graph centered at (0,1) . As, the graph is inverted V So, the graph must have y=-|x|. But, as the center is (0,1). So, the graph is shifted up by 1 unit. So, the equation of the third graph is,

y=-|x|+1

The fourth graph is shifted V graph, whose center is (1,-1). So, y=|x| is shifted right by 1 unit and down by 1 unit. So, the equation of fourth graph is,

y=|x-1|-1

The center of fifth graph is (-1,0), So, y=|x| graph is shifted left by 1 unit. So, the equation of fifth graph is

y=|x+1|

5 0
3 years ago
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