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koban [17]
3 years ago
12

Compute I need help

Mathematics
1 answer:
nataly862011 [7]3 years ago
7 0

(\sqrt{3}-\sqrt{6}+\sqrt{12}-\sqrt{24})\times \frac{\sqrt{6}}{2} \\ (\sqrt{3}-\sqrt{6}+2\sqrt{3}-\sqrt{24})\times \frac{\sqrt{6}}{2} \\ (\sqrt{3}-\sqrt{6}+2\sqrt{3}-2\sqrt{6})\times \frac{\sqrt{6}}{2} \\ ((\sqrt{3}+2\sqrt{3})+(-\sqrt{6}-2\sqrt{6}))\times \frac{\sqrt{6}}{2} \\ (3\sqrt{3}-3\sqrt{6})\times \frac{\sqrt{6}}{2} \\ \frac{(3\sqrt{3}-3\sqrt{6})\sqrt{6}}{2} \\ \frac{3(\sqrt{3}-\sqrt{6})\sqrt{6}}{2}

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I need help with those questions please help me.
Goshia [24]

Answer:

1 = 21 m

2 = 120 cm

3 = 84 cm

4 = 3 km

5 = 10 m

6 = 55 mm

7 = 60 cm

8 = 500 mm

Step-by-step explanation: you see where it says "perimeter = 3s" right? for each question you have to replace "s" with the number given so for the first one it would be 3 x 7. You had to do the same thing with the others but sometimes we get confused in math :D

8 0
2 years ago
The equation 12x + 15y = 390 represents the total revenue during a one-day fundraiser. In the equation, x represents the number
olchik [2.2K]
12×10+15y=390
120+15y=390
15y=270
y=18

So 18 adult t-shirts were sold
4 0
3 years ago
Read 2 more answers
If vertices of a triangle are A (5, 0), B (x, y) and C (25, 0), what is the area of the triangle?(1) |x| = y = 10(2) x = |y| = 1
Elanso [62]

Answer:

10|y|

Step-by-step explanation:

We have been given that the vertices of a triangle are A (5, 0), B (x, y) and C (25, 0). We are asked to find the area of the given triangle.

We will use area formula for triangle with vertices A, B and C as given below:

|\frac{A_x(B_y-C_y)+B_x(C_y-A_y)+C_x(A_y-B_y)}{2}|

Upon substituting the given coordinates of points A, B and C in above formula, we will get:

|\frac{5(y-0)+x(0-0)+25(0-y)}{2}|

|\frac{5(y)+x(0)+25(-y)}{2}|

|\frac{5y+0-25y}{2}|

|\frac{-20y}{2}|

|-10y|

10|y|

Therefore, the area of the given triangle would be 10|y|.

4 0
3 years ago
Solve -2 1/3 - (-5) <br><br><br> ANSWER PLZ
Jlenok [28]

Answer:

Step-by-step explanation:

2.6666666667

6 0
3 years ago
Y=−2x+8 and y=12x+4<br><br> A. paralel<br><br> B. Perpindicular<br><br> C.Neither
Elenna [48]

Answer:

C) Neither

Step-by-step explanation:

These two equations are not parallel, because they don't have the same slope. And they're not perpendicular to each other either, because perpendicular lines have negative reciprocals of the slopes. Therefore, the answer is C) Neither.

5 0
3 years ago
Read 2 more answers
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