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kicyunya [14]
3 years ago
14

Jasmine had 20 dollars to spend on 3 gifts. She spent 9 1 4 dollars on gift A and 4 4 5 dollars on gift B. How much money did sh

e have left for gift C
Mathematics
1 answer:
svlad2 [7]3 years ago
3 0

Answer:

5 2/6

Step-by-step explanation:

you have to mutiply

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Evaluate ,where e is the solid that lies between the cylinders x^2+y^2=1 and x^2+y^2=16, above the xy-plane, and below the plane
MA_775_DIABLO [31]
Assuming you're just computing the volume, i.e.

\displaystyle\iiint_E\mathrm dV

we should convert to cylindrical coordinates first, setting

\begin{cases}x=r\cos\theta\\y=r\sin\theta\\z=\zeta\end{cases}

so that the volume is given by

\displaystyle\iiint_E\mathrm dx\,\mathrm dy\,\mathrm dz=\int_{\theta=0}^{\theta=2\pi}\int_{r=1}^{r=4}\int_{\zeta=0}^{\zeta=r\sin\theta+4}r\,\mathrm d\zeta\,\mathrm dr\,\mathrm d\theta

which has a value of 60\pi.
3 0
3 years ago
Charlene is a video game designer and wants to make sure that her games can be played on all types of screens. In order for the
Nikitich [7]

Answer:

The playable area has a width of 9 inches and a height of 6 inches.

Step-by-step explanation:

There are a number of ways you can get there.

1. Check the answers to see which have the right area and aspect ratio.

A: area = 24 in² — does not match 54 in²

B: area = 54 in², aspect ratio 6:9 = 2:3 — does not match 3:2 aspect ratio

C: area = 54 in², aspect ratio 9:6 = 3:2 — matches problem statement

D: area = 121.5 in² — does not match 54 in²

2. If the screen were 3:2 (inches), its area would be 6 in². The area of 54 in² is 9 times that value, so the actual screen dimensions are √9 = 3 times 3:2. That is, they are width:height = 9:6 inches — matches selection C.

3. You can write equations for width and height and solve.

w/h = 3/2

wh = 54

Substituting w=3/2·h into the second equation gives

... (3/2)h·h = 54

... h² = 36 . . . . . multiply by 2/3

... h = √36 = 6 . . . . square root, result in inches

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2 years ago
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Paolo is using his grandmother’s cookie recipe. He always doubles the amount of chocolate chips and oats. The recipe calls for 2
lesya692 [45]

Answer:

6 1/3 divided by 2 1/2 = x

Step-by-step explanation:

Hope this helps.

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Find the value of S for an infinite geometric series with r= 1/6 and a1=10
Lelu [443]
S=a1/1-r=10 x 6/5 = 12
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3 years ago
When was Back In Black By AC/DC made?
Karo-lina-s [1.5K]

Answer: July 25th, 1980.

Step-by-step explanation: ADIOS.

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