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igor_vitrenko [27]
4 years ago
15

A girl plants 45 flowers in 30 mins. Determine the unit rate.

Mathematics
2 answers:
DedPeter [7]4 years ago
6 0
45/30 = 3/2

1.5 flowers per minute
notka56 [123]4 years ago
4 0
So 45 in 30mins

we ususlly want to make the smallest number equal to one or as close to one as possible so
45/30=3/3 times 15/10
3/3=1
1 times 15/10=15/10
15/10=5/5 times 3/2
5/5=1
1 times 3/2=3/2
3 divided by 2 is 1.5
1.5 flowers per minute
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Write as a single fraction in its simplest form.
yaroslaw [1]

\dfrac{4}{3x-5} + \dfrac{x+2}{x-1}\\\\\\=\dfrac{4(x-1) + (x+2)(3x-5)}{(3x-5)(x-1)}\\\\\\=\dfrac{4x-4 + 3x^2 -5x +6x -10}{(3x-5)(x-1)}\\\\\\=\dfrac{3x^2 +5x-14}{(3x-5)(x-1)}

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Nesterboy [21]
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8 0
3 years ago
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Pachacha [2.7K]
The answer would be:
y=-\frac{2}{1}x-4

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6 0
3 years ago
Read 2 more answers
I need explanations. I don't understand this. Please click on the picture.
AlekseyPX
1. find the area of the two triangles, including the shaded section. the formula for this is a=1/2bh

the height and base are both 24 inches. this is because you add the 10 from the side of the square to the 14 that is given

so:

a=1/2(24)(24)
a=(12)(24)
a=288 sq. inches

since there are two triangles, you would multiply the area by 2

a=2(288)
a=576 sq. inches

now, since you only need the unshaded section, you have to take away the shaded section, which is a square. to do this, you must calculate the area of the square and take it away from the area of both triangles.

a=576-(lw)
a=576- (10)(10)
a=576-100
a=476 sq. inches

that is your answer
5 0
4 years ago
15+15+15=45 7+7+7=21 4+4+4=12 4+15×7=?​
vesna_86 [32]

Answer:

109

Step-by-step explanation:

15+15+15= 45

7+7+7=21

4+4+4=12

4+15×7=109

I hope this helps!

3 0
4 years ago
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