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JulijaS [17]
3 years ago
13

2. 10 caiete costă 20 lei. Câţi lei costă 7 caiete de acelaşi fel?

Mathematics
1 answer:
lutik1710 [3]3 years ago
4 0

Answer:

Tu vorbesti limba romana! Este foarte cool! Nu am întâlnit niciodată pe cineva care să vorbească română

Step-by-step explanation:

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Ryan fills his cat's water bowl. Is it reasonable to say he uses 1ml of water? Explain
Anna [14]
No, it's not reasonable.<br /><br />I'd much rather help you than blankly state the answer, so here I go.<br /><br />Ya' know those syringe's you see in science class. maybe you've had a lab with them, perhaps you've seen in them in shows. Now imagine that filled up with a superrrrrr tiny amount of water. Now imagine that in a bowl. See, it doesn't make sence. *If it helps, one ml=one gram.
3 0
3 years ago
Read 2 more answers
Easy question :)
bulgar [2K]
C. because 2.25 X 3 = 6.75 and 6.75 X 3 is 20.25
3 0
3 years ago
The value of x for which the expressions 5(3x-4) equal to 2(2x+1)
notsponge [240]

Answer:

the value of x is 2.

Step-by-step explanation:

5(3x - 4) = 2(2x + 1)

15x - 20 = 4x + 2

15x - 4x = 2 + 20

11x = 22

x = 22/11

x = 2

5 0
3 years ago
-3 17/20 as a decimal
alekssr [168]

Answer:

-3.85

-3 is a whole number, it comes before the decimal point.

17/20 is a fraction so it goes on the other side.

7 0
3 years ago
The coordinate of centroid of a triangle whose vertices are (1,3,-2), (4,5,0), (6,3,9) is = ……………….
Dominik [7]

Answer:

C = (\frac{11}{3},\frac{11}{3},\frac{7}{3})

Step-by-step explanation:

Given

(x_1,y_1,z_1) = (1,3,-2)

(x_2,y_2,z_2) = (4,5,0)

(x_3,y_3,z_3) = (6,3,9)

Required

Determine the coordinates of the centroid

Represent the coordinates with C.

C is calculated as follows:

C = (\frac{1}{3}(x_1+x_2+x_3),\frac{1}{3}(y_1+y_2+y_3),\frac{1}{3}(z_1+z_2+z_3}))

Substitute values of x and y in the given equation

C = (\frac{1}{3}(1+4+6),\frac{1}{3}(3+5+3),\frac{1}{3}(-2+0+9}))

C = (\frac{1}{3}(11),\frac{1}{3}(11),\frac{1}{3}(7}))

C = (\frac{11}{3},\frac{11}{3},\frac{7}{3})

<em>The above is the coordinate of the centroid</em>

8 0
3 years ago
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