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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?​
Mathematics
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


7 0
3 years ago
Read 2 more answers
The Ridgeport school district collected data about class size in the district. The table shows the class for sizes five randomly
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

5 0
2 years ago
What is the area of the trapezoid and how do you find it?
seraphim [82]
You can use the formula 2(a+b2(\frac{a+b}{2} )
This will get you 161.5 ft

:)
8 0
3 years ago
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I WILL PICK THE BRAINLIEST FOR WHOEVER HAS THE CORRECT ANSWER.
miss Akunina [59]
Um is it 110                    let me know if im right


3 0
3 years ago
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