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Morgarella [4.7K]
3 years ago
11

Solve 3/4x+1/4y=5 for y

Mathematics
1 answer:
Hitman42 [59]3 years ago
8 0

Answer:

y=-3x+20

Step-by-step explanation:

3/4x+1/4y=5

-3/4x           -3/4x

1/4y=5-3/4x

divide the whole entire equation by 1/4 like this: (4)1/4y=4(5-3/4x)

Your answer is y=-3x+20

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Find the area of the figure.
givi [52]

these are just two semi-circles, one with a diameter of 22 and the other with a diameter of 30 - 22, or 8, and therefore their radius are 11 and 4 respectively.


\bf \textit{area of a semi-circle}\\\\ A=\cfrac{\pi r^2}{2}~~,~~  \stackrel{r=11}{A=\cfrac{\pi 11^2}{2}}\implies A=\cfrac{121\pi }{2}~~,~~ \stackrel{r=4}{A=\cfrac{\pi 4^2}{2}}\implies A=8\pi \\\\ -------------------------------\\\\ \stackrel{\textit{total area of the figure}}{\cfrac{121\pi }{2}+8\pi }\implies \cfrac{121\pi +16\pi }{2}\implies \cfrac{137\pi }{2}

4 0
2 years ago
What are the zeros of the graphed function y = 1/3 (x + 3)(x + 5)?
Darya [45]

One factor will be zero, hence y will be zero, when x=-3.

The other factor will be zero, hence y will be zero, when x=-5.

The zeros of the function are x ∈ {-5, -3}.

_____

This solution makes use of the "zero product rule," which states a product is zero if and only if one or more factors is zero.

5 0
2 years ago
After being exposed to an electromagnetic shrinking machine, Joe's height decreased by 120m over 4 seconds. His height decreased
Serjik [45]

It is given that Joe was being exposed to an electromagnet shrinking machine. Because of this his height started decreasing .

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The decrease was at a constant rate per second.

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So,

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Change in each second would be with negative sign indicate's decrease .

Hence, Answer is “-80” .

Hope it's helpful to you.

Please mark as Brainliest answer.

6 0
1 year ago
Xavier made 25 pounds of roasted almonds for a fair he has 3 and 1/2 pounds left at the end of the fair how many pounds of roast
Pepsi [2]

Answer:

Step-by-step explanation:

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you just subtract 25 by 3 (1/2), and you get 21 (1/2).

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3 years ago
Find the area of each circle. Round to the nearest tenth. Use 3.14 or 22/7 for pie
Ray Of Light [21]

Answer:

Step-by-step explanation:

What

are you calculating area or circumference??

7 0
2 years ago
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