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My name is Ann [436]

2 years ago

10

An electronics store stocks a computer with a price of $800. during a promotion, the manager of the store offers a 30% discount

off the price of the computer.
What is the cost of the computer after the discount?

2 answers:

White raven [17]2 years ago

6 0

Answer:

$560

Step-by-step explanation:

OLEGan [10]2 years ago

3 0

Answer:

$560

Step-by-step explanation:

800/10 = 80

80 x 7 = 560

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A cone and its dimensions are shown in the diagram. What is the volume of the cone in cubic inches?

Vinvika [58]

Answer:

The exact value of the volume is equal to

$V=19\frac{397}{512}\pi\ in^{3}$

Step-by-step explanation:

we know that

The volume of a cone is equal to

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

we have

$D=5\frac{5}{8}\ in$

convert to an improper fraction

$D=5\frac{5}{8}\ in=\frac{5*8+5}{8}=\frac{45}{8}\ in$

$r=(45/8)/2=\frac{45}{16}\ in$

$h=7\frac{1}{2}\ in=\frac{7*2+1}{2}=\frac{15}{2}\ in$

substitute in the formula of volume

$V=\frac{1}{3}\pi (\frac{45}{16}^{2})(\frac{15}{2})=\frac{30,375}{1,536}\pi\ in^{3}$

Simplify

$\frac{30,375}{1,536}=\frac{29,184}{1,536}+\frac{1,191}{1,536}=19\frac{397}{512}$

substitute

$V=19\frac{397}{512}\pi\ in^{3}$

4 0

3 years ago

A market sold two packages of sliced beef weighing 1 and one seventh and 4 and one half lb. What was the total weight of the bee

Pepsi [2]

Answer:

5 and 9/14

Step-by-step explanation:

convert the numbers into improper fractions

8/7 + 9/2

=

(8 × 2) + (9 × 7)

7 × 2

=

79/14 or 5 and 9/14

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vladimir1956 [14]

Answer:

A

Step-by-step explanation:

the mean is higher than kindergartens mean which shows its larger and the deviation is lower which shows less variation

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You can use the formula 2(a+b $2(\frac{a+b}{2} )$
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:)

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