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3 years ago

NEED HELP PLEASE!! LOOK AT PICTURE-

Mathematics

2 answers:

____ [38]3 years ago

6 0

Answer:

c. 5 units

Step-by-step explanation:

because if ABC and cda are congruent then that means they are the same and since AD and BC are across each other they thay would be the same.

zaharov [31]3 years ago

4 0

The answer is 5 because the other side is congruent and it’s 5.

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If x+y=z which property is used?

Ganezh [65]

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addition

Step-by-step explanation:

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3 years ago

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If the vertex of a parabola is at (4,3), what is its axis of symmetry?

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axis of symmetry: x = 4

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Vertex ( 4 , 3) x = 4

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4 years ago

Factor 28 + 56+ + 28w to identify the equivalent expressions.<br> 0<br> ht

dmitriy555 [2]

Answer:

84+28w

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Step-by-step explanation:

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3 years ago

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In ABC, a = 13,b=21, and c = 27. Find mA.

coldgirl [10]

Answer:

Step-by-step explanation:

a = 13 ; b = 21 ; c = 27

S = (a + b + c)/2

$= \dfrac{13+21+27}{2}\\\\=\dfrac{61}{2}\\\\= 30.5$

s- a = 30.5 - 13 = 17.5

s - b = 30.5 - 21 = 9.5

s -c = 30.5 - 27 = 3.5

Area = $\sqrt{s(s-a)(s-b)(s-c)}$

$= \sqrt{30.5*17.5*9.5*3.5}\\\\=\sqrt{17747.1875} \\\\=133.21\\\\=133$

$\dfrac{cbSin \ A}{2}=133\\\\\dfrac{27*21*Sin A}{2}=133\\\\Sin \ A = \dfrac{133*2}{27*21}\\\\Sin \ A = 0.4691\\\\A = Sin^{-1} \ 0.4691\\\\\\$

A = 27°

4 0

3 years ago

Company

Aleks04 [339]

Answer: 5 years

Step-by-step explanation:

A= P(1-r)^t

A= Depreciation value

P = Initial amount

r= rate = 7/100= 0.07

t= time

t= (Ln(A/P))/Ln(1-r)

= (Ln(25949.18/37300))/Ln(1-0.07)

t= 4.999 approximately 5 years

4 0

3 years ago