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3 years ago

A class planted 130 seeds. 52 seeds grew into plants. What percent of the seeds grew into plants?

Mathematics

1 answer:

Alexus [3.1K]3 years ago

5 0

Answer:

40%

Step-by-step explanation:

52/130 =.4

.4 x 100=40

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-8w-7+2w=23 what does that equal

olya-2409 [2.1K]

W=-5 because you distribute at the beginning with the 2 variables and you solve that's equation and you will end up with 6w divided by 30 and that's will give u W=-5

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3 years ago

A group of students is collecting books to add to their

pentagon [3]

Answer:(2,23) & (7,48)

Step-by-step explanation:

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3 years ago

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Solve on the interval [0/2pi]<br><br> 1-cos(theta) = (1/2)

Airida [17]

Answer:

Final answer is $x=\frac{\pi}{3}$ and $x=\frac{5\pi}{3}$ .

Step-by-step explanation:

Given equation is $1-\cos\left(\theta\right)=\frac{1}{2}$

Now we need to find the solution of $1-\cos\left(\theta\right)=\frac{1}{2}$ in given interval $[0, 2\pi ]$ .

$1-\cos\left(\theta\right)=\frac{1}{2}$

$-\cos\left(\theta\right)=\frac{1}{2}-1$

$-\cos\left(\theta\right)=-\frac{1}{2}$

$\cos\left(\theta\right)=\frac{1}{2}$

which gives $x=\frac{\pi}{3}$ and $x=\frac{5\pi}{3}$ in the given interval.

Hence final answer is $x=\frac{\pi}{3}$ and $x=\frac{5\pi}{3}$ .

6 0

3 years ago

Thank you so much ummm ya

iVinArrow [24]

Answer:

it's b

Step-by-step explanation:

it's b because the lines outside of the equation mean the absolute value of the equation

4 0

3 years ago

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If the slope of the linear function y=-2x-4 was changed to 3, what would the new equation be? *

olga nikolaevna [1]

Answer:

Step-by-step explanation:

-2 is the slope so change -2 to 3

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3 years ago