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VMariaS [17]
2 years ago
9

11z/16+7z/8=5/16 as a decimal

Mathematics
1 answer:
babunello [35]2 years ago
4 0
11z/16+7z/8=5/16
(11z+14z)/16=5/16
25z=5
z=5/25=1/5
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When 334 college students are randomly selected and surveyed, it is found that 103 own a car. Find a 99% confidence interval for
NemiM [27]

Answer:

(.24329, .3734)

Step-by-step explanation:

1-propzint

n=334

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8 0
3 years ago
Carissa also has a sink that is shaped like a half sphere. The sink has a volume of 4000/ 3 * π in 3. One day, her sink clogged.
givi [52]

Answer:

Part a) 119 cups

Part b) 30 cups

Step-by-step explanation:

Part a)

step 1

Find the volume of the conical cup with a diameter of 4 in. and a height of 8 in

The volume of the cone (cup) is equal to

V=\frac{1}{3}\pi r^{2}h

we have

r=4/2=2\ in ----> the radius is half the diameter

h=8\ in

assume

\pi =3.14

substitute

V=\frac{1}{3}(3.14)(2^{2})8=33.49\ in^3

step 2

Find out how many cups of water must Carissa scoop out of the sink

Divide the volume of the sink by the volume of the cup

so

\frac{4,000}{33.49}= 119\ cups

Part b)

step 1

Find the volume of the conical cup with a diameter of 8 in. and a height of 8 in

The volume of the cone (cup) is equal to

V=\frac{1}{3}\pi r^{2}h

we have

r=8/2=4\ in ----> the radius is half the diameter

h=8\ in

assume

\pi =3.14

substitute

V=\frac{1}{3}(3.14)(4^{2})8=133.97\ in^3

step 2

Find out how many cups of water must Carissa scoop out of the sink

Divide the volume of the sink by the volume of the cup

so

\frac{4,000}{133.97}= 30\ cups

7 0
3 years ago
Your paint 1/3 of a wall in 1/4 hour. at this rate, how long will it take to paint one wall
Irina-Kira [14]

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8 0
2 years ago
The line x = 6 is:<br> A. Cannot be determined<br> B. Horizontal<br> C. Neither<br> D. Vertical
jeka94

Answer:

Vertical

Step-by-step explanation:

Vertical line crossing the x-axis at 6. It does not cross the y-axis.

6 0
3 years ago
Answer pls<br> 3278+32+3213+89321+31398
goldenfox [79]

Answer:

oop

Step-by-step explanation:

127247

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3 0
2 years ago
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