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3 years ago

Vie

Mathematics

1 answer:

Oduvanchick [21]3 years ago

3 0

Answer:

Step-by-step explanation:

the graphical representation of 5% of light and 80% of light is the same so light has no effect on seed growth

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10x(4-3x) pls someone help???

harina [27]

Answer: $\Large\boxed{-30x^2+40x}$

Step-by-step explanation:

<u>Given expression</u>

10x (4 - 3x)

<u>Expand the parenthesis by distributive property</u>

= 10x · 4 - 10x · 3x

= (10 × 4)x - (10 × 3) (x × x)

$\Large\boxed{=-30x^2+40x}$

Hope this helps!! :)

Please let me know if you have any questions

3 0

2 years ago

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Express it in slope-intercept form.

GREYUIT [131]

Answer:

y = (2/3)x -1

Step-by-step explanation:

The line crosses the y-axis at -1, so that is the y-intercept.

From that point. the next grid intersection is 3 units to the right and 2 units up, so the slope is ...

m = rise/run = 2/3

The slope-intercept form of the equation of a line is ...

y = mx +b . . . . . where m is the slope (2/3) and b is the y-intercept (-1)

Your line has equation ...

y = (2/3)x -1

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3 years ago

Part c Katie started with $40. How much money did she have left after purchasing the supplies? Enter your answer in the box prov

Hitman42 [59]

Answer:

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3 years ago

The winner in a vote for class president received 3/4 of the 240 votes. How many votes did the winner receive?

Charra [1.4K]

The answer to3/4 of 240 is 180

3 0

4 years ago

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Consider this equation. cos(theta) = (-2√5)/5. If theta is an angle in quadrant II, what is the value of sin(theta)? NO LINKS!!!

vlada-n [284]

In second quadrant sin and cosec are positive

$\\ \tt\hookrightarrow sin^2\theta=1-cos^2\theta$

$\\ \tt\hookrightarrow sin^2\theta=1-(\dfrac{-2\sqrt{5}}{5})^2$

$\\ \tt\hookrightarrow sin^2\theta=1-\dfrac{20}{25}$

$\\ \tt\hookrightarrow sin^2\theta=\dfrac{5}{25}$

$\\ \tt\hookrightarrow sin\theta=\dfrac{\sqrt{5}}{5}$

$\\ \tt\hookrightarrow sin\theta=\dfrac{1}{\sqrt{5}}$

5 0

3 years ago