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2 years ago

Casey bought a sandwich and a drink for $4.75. If she has $7.00 to spend, what is the most she can spend on dessert?

Mathematics

1 answer:

tester [92]2 years ago

3 0

Answer:

Step-by-step explanation:

Total amount = 7.00

Amount spent = 4.75

Remaining = 7 - 4.75 = 2.25

The amount she can spend on dessert is 2.25

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Which of the following choices is the y-intercept of the equation –3x – 2y = 10?

Mekhanik [1.2K]

-3x-2y=10
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y=-3/2x -5
If you put x as a value of 0 you will get that the y-intercept will end up being -5

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2 years ago

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Anarel [89]

Answer:

9/7

Step-by-step explanation:

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taking LCM

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3 years ago

I need help plz 10 points

Andreas93 [3]

Answer:

1. A

2. G

Step-by-step explanation:

In 5 and 6, you see descriptions about leaves and their characteristics. Leaves are not the speaker, the person referenced in the poem is. Since leaves are being described and not the speaker, this means it's describing the setting.

The answer would be A.

You see the herons being described as 'blowing like smoke'. Smoke is swift and fast-moving, so it wouldn't be in the exact same place as before. This fits the description of G, which would be "swift and fleeting".

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3 years ago

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A hemisphere has an area of 256 pi cm^2. What is its volume?

Amanda [17]

$\bf \begin{array}{llll}
\textit{surface area of a sphere}\\\\
A=4\pi r^2
\\\\\\
\textit{a hemisphere is half that}\\\\
A=\cfrac{4\pi r^2}{2}\implies A=2\pi r^2
\end{array}\qquad r=radius
\\\\\\
\textit{now, we know the area is }256\pi \implies 256\pi =2\pi r^2
\\\\\\
\cfrac{256\pi }{2\pi }=r^2\implies \sqrt{128}=r\implies \boxed{8\sqrt{2}=r}
\\\\
-----------------------------\\\\$

$\bf \textit{volume of a sphere}\\\\
V=\cfrac{4}{3}\pi r^3\qquad r=radius
\\\\\\
\textit{a hemisphere is half that}\\\\
V=\cfrac{\frac{4}{3}\pi r^3}{2}\implies V=\cfrac{\frac{4\pi r^3}{3}}{\frac{2}{1}}\implies V=\cfrac{4\pi r^3}{3}\cdot \cfrac{1}{2}
\\\\\\
V=\cfrac{2\pi r^3}{3}
\\\\\\
\textit{now, we know the radius is }8\sqrt{2}\implies V=\cfrac{2\pi (8\sqrt{2})^3}{3}
\\\\\\
V=\cfrac{2\pi (8^3\sqrt{2^3})}{3}\implies V=\cfrac{2\pi \cdot 512\cdot 2\sqrt{2}}{3}
\\\\\\
\boxed{V=\cfrac{2048\pi \sqrt{2}}{3}}$

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3 years ago