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Sidana [21]
3 years ago
8

Whats the area of a polygon with vertices A(2,3) B(12,3) C(6,0) and D(2,0)

Mathematics
1 answer:
Vanyuwa [196]3 years ago
6 0
This shape is trapezoid

top of the trapezoid is 10 (12-2)

and the bottom is 4 (6-2)

the height in 3 (3-0)


so the area will be
((10+4)  \times 3) \div 2  \\  = (14 \times 3)  \div 2 = 42 \div 2 \\  = 21
the area is 21
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$19.92 for 2.4 pounds of walnuts what is the price per pound of walnuts
professor190 [17]

Answer:

$8.3

Step-by-step explanation:

Given

2.4 pounds of walnuts=$19.92

Solution

the price per pound of walnuts=19.92/2.4

=$8.3

Price of per pound walnuts is $8.3

5 0
2 years ago
Multiplied by 3/4 and then divided by 3/5 is the same as dividing by what?
netineya [11]

We have:  x ×  \frac{3}{4} ÷ \frac{3}{5} = x ×  \frac{3}{4}  ×  \frac{5}{3} =  x × \frac{5}{4} = x ÷ \frac{4}{5}

ANSWER:  E. 4/5

Ok done. Thank to me :>

6 0
2 years ago
Match the terms to their definition. 1. part-whole ratio a ratio comparing a portion of a whole quantity to the whole quantity 2
dem82 [27]

Answer:

They're already matched... at least they way you typed it.

Step-by-step explanation:

A ratio is a comparison of two numbers as a fraction or quotient. A part-whole ratio is a ratio comparing a part of something to the whole thing. A part-part ratio is ratio comparing two different parts of one whole.

4 0
2 years ago
A radio arm saw has a circular cutting blade with a diameter of 10 inches and it spins at 2000rpm if there are 12 cutting teeth
FinnZ [79.3K]

Answer:

12565.11 teeth approximately cut cross the cutting surface per seconds.

Step-by-step explanation:

Since the diameter is 10inches, the circumference of the arm saw is 10π (circumference is πd where d is diameter).

The number of teeth on the cutting blade can be gotten by multiplying the diameter by 12 since we have 12 teeth per inch on the arm saw

Number of teeth on saw = 12 x 10π = 120π.

To get the number of teeth that cross the cutting surface in 2000rpm we multiple it by the total number of teeth in just one rpm.

So we have 2000 x 120π. But since we are asked to find it in revolution per seconds then 2000r/m = 2000r/60s ≈ 33.33

Therefore, we have

33.33 x 120π ≈ 12565.11 teeth

7 0
3 years ago
B. The total cost (1) after 8% sales tax is added to an item's price (p): 1.08p =
scoundrel [369]

Answer:

No

Step-by-step explanation:

6 0
3 years ago
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