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Sidana [21]
4 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]4 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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I will brainlest this don't answer if out the real answe thank you
Mashutka [201]

Answer:

1) Product of 2 x 3/5 is 6/5 or 1 and 1/5.

2) 20/9 or 2 and 2/9

3) 15/8 or 1 and 7/8

4) 15/6 or 2 and 3/6 or 2 and 1/2

5) 6/4 or 1 and 2/4 or 1 and 1/2

Step-by-step explanation:

You multiply the whole number by the numerator (top number) and then divide the result by the denominator(bottom number). Afterward, simplify the fraction if you can, for example, 6/9. Both the numerator and denominator can be divided by 3. Therefore, the answer to that example is 2/3.

7 0
3 years ago
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= 3x +15 <br> = 4x-10<br><br> What is the value of x?
Viefleur [7K]

Answer:

3x+15= 4x-10

3x-4x= -10-15

-x= -25(minus will be cut on both sides)

so x= 25

7 0
3 years ago
The actual length of a table is 45 1/2 inches. Harriet estimates the length of the table and finds her percent to be less than 4
Ksenya-84 [330]

Answer:

Harriet's estimated length is between 44.1 inches and 47 inches.

Step-by-step explanation:

Let the error be x.

so, x<4%

Now, if error is 1%

45 1/2 + 1% of 45 1/2

or, 91/2 + 1/ 100 × 91/2

= 46

Now,

45 1/2 - 1% of 45 1/2

or, 91/2 - 1/100 × 91/2

= 45.1

Now,

if error is 3%

45 1/2 + 3% of 45 1/2

or, 91/2 + 3/100 × 91/2

= 47

OR

45 1/2 - 3% of 45 1/2

= 91/2 - 3/100 × 91/2

= 44.1

4 0
3 years ago
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Find the sum of (-4 + 1) and (10-51).
kogti [31]

Answer:

-44

Step-by-step explanation:

(-4+1)+(10-51)

-4+1+10-51

-3-41

-44

5 0
4 years ago
The axis of symmetry for a quadratic equation can be found using the formula x = -b/2a , where a and b are coefficients in the q
Ierofanga [76]
X = - b/2a
Solving for a,

a = -b/2x

If b is the numerator, the denominator is -2x
The second option is correct.
4 0
3 years ago
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