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Alexandra [31]
3 years ago
9

A plant grows at a constant rate of __ cm per day.

Mathematics
1 answer:
devlian [24]3 years ago
3 0

Plant grows at 3CM per day

equation: y= 3x

21 is y so 21= 3x. divide by 3 so it's been 7 days

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Solve by completing the square<br><br>x squared +14x - 51=0
Nesterboy [21]
x^2 +14x - 51=0\\ \\\Delta = b^{2}-4ac =14^{2}-4*1*(-51)=196+204=400 \\ \\x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{-14- \sqrt{400}}{2}=\frac{-14-20}{2}= \frac{-34}{2}=-17\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{-14+ \sqrt{400}}{2}=\frac{-14+20}{2}= \frac{6}{2}=3


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3 years ago
Is 0.05 greater than 0.083
Harrizon [31]

Answer:

no 0.05 is smaller then 0.083

Step-by-step explanation:

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3 years ago
A party size bag of tortilla chips normally costs 3.80. The supermarket has them on sale today for 2.85.what is the percentage o
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The percentage of the discount is 75%
8 0
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Read 2 more answers
Please Help!!
algol13
When you see questions of this nature, test the individual inequalities and look out for their intersection.

For
y < \frac{2}{3} x
Choose a point in the lower or upper half plane created by the line
y = \frac{2}{3} x
The above line is the one which goes through the origin.

Now testing (1,0) yields,

0 < \frac{2}{3} (1)
That is,

0 < \frac{2}{3}
This statement is true. So we shade the lower half of
y = \frac{2}{3} x

For
y \geqslant - x + 2
We test for the origin because, it is not passing through the origin.

0 \geqslant - (0) + 2
This yields
0 \geqslant 2
This statement is false so we shade the upper half.

The intersection is the region shaded in B. The top right graph
8 0
3 years ago
A trader had 30,500 eggs . He sold 12,680 of them to John and 16,570 to Peter. How many eggs he had left
zlopas [31]

Answer:

C. 17,820

Step-by-step explanation:

30,500-12,680= 17,820

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2 years ago
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