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loris [4]
3 years ago
11

What is the area of the figure? 6-sided concave polygon with side with 40 inches, 10 inches, 22 inches, 40 inches, 18 inches, an

d 50 inches. 180 square inches 190 square inches 1200 square inches 1120 square inches

Mathematics
1 answer:
Debora [2.8K]3 years ago
7 0

Answer:

1120 square inches or OPTION D

Step-by-step explanation:

40 × 50 = 2000

(50 - 10) × (40 - 18) =

40 × 22 = 880

2000 - 880 = 1120

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Which is bigger 0.05 or 50 %
Komok [63]

Answer:

50% because 0.05 is 5% :)

4 0
3 years ago
Answer this ASAP I really need it
Ede4ka [16]
Given the expression
-2 + 6.45z - 6 + (-3.25z)

First, classify like terms, constant with constant, coefficient-variable with coefficient-variable
-2 + 6.45z - 6 + (-3.25z)
= 6.45z + (-3.25z) - 2 - 6

Second, combining like terms
= 6.45z + (-3.25z) - 2 - 6
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The simplest form is 3.20 - 8
8 0
3 years ago
What is the length of EF in the right triangle below?
Tema [17]

Answer:

A

Step-by-step explanation:

Since the triangle is right use Pythagoras' identity to find EF

The square on the hypotenuse is equal to the sum of the squares on the other two sides, that is

EF² + DF² = DE² ← substitute values

EF² + 12² = 18², that is

EF² + 144 = 324 ( subtract 144 from both sides )

EF² = 180 ( take the square root of both sides )

EF = \sqrt{180} → A

3 0
3 years ago
Pls help will give brainliest and 5 star
jeka94

Answer:

The answers are as follows:

5. c

6. b

7. not sure, sorry

8. b

Step-by-step explanation:


8 0
3 years ago
What number "c" completes the square: x^2 - 14x + c
Vladimir79 [104]

Answer:

49

Step-by-step explanation:

To complete the square we use the formula:

c=(\frac{b}{2} )^{2}

So we can plug in 14 for b to find c.

c=(\frac{14}{2} )^{2}\\\\c=(7 )^{2}\\c=49

Now this equation can be factored into:

(x-7)^{2}

6 0
3 years ago
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