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Mamont248 [21]
3 years ago
9

Sam is conducting a science experiment about the effects of fertilizer on the growth of a plant. In week 1, his plant grew 12.26

centimeters. In week 2, his plant grew 7 centimeters. In week 3, his plant grew 5.79 centimeters.
What was the total growth of his plant during the 3 weeks?


A. 18.12 centimeters

B. 24.65 centimeters

C. 24.95 centimeters

D. 25.05 centimeters
Mathematics
1 answer:
sesenic [268]3 years ago
3 0

Answer:

25.05

Step-by-step explanation:

12.26 + 7 + 5.79 = 25.05

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Complex Numbers
seropon [69]

Answer:

±10

Step-by-step explanation:

sqrt(-4) * sqrt(-25).

We know that the sqrt(a) sqrt(b) = sqrt(ab)

sqrt(-4*-25)

sqrt(100)

±10

4 0
3 years ago
A rectangle has vertices at these coordinates. (−6, 3), (−6, 5), (2, 3) What are the coordinates of the fourth vertex of the rec
Anna35 [415]

Answer:

(2, 5).

Step-by-step explanation:

The length of the line joining the first 2 points = (5 - 3) = 2 units. This is a vertical line because the 2 x coordinates  ( -6 and - 6) are equal.

The line joining ( -6 , 3) and (2 , 3) is horizontal and is 2 - -6 = 8 units long.

Because we have a rectangle the point we need to find must have x coordinate of 2 and the y coordinate will be 2 more than the y coordinate 3.

.So it is  (2, 5),

7 0
3 years ago
Please help with number 9
RUDIKE [14]
This is the answer i got 147
6 0
3 years ago
Evaluate:<br> 7 - 3 + 10
vivado [14]

Answer:

14

Step-by-step explanation:

7-3 = 4 4+10=14 therfore 14 would be the answer hope this helps

6 0
3 years ago
Show how to solve -5y+8=-3y+10
marta [7]
-5y+8=-3y+10
-5y+3y=10-8
-2y=2
-2y/-2=2/-2
y=-1

I grouped the alike variable to one side, and the number to the other side, added and subtracted it, divided both sides by -2, and got -1
8 0
3 years ago
Read 2 more answers
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