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4 years ago

6

Which is the following is the best definition of an artifact

1 answer:

Lilit [14]4 years ago

6 0

An object, such as a tool, weapon or ornament, of archaeological or historical interest, especially such an object found at an archaeological excavation. ... An object made or shaped by some agent or intelligence, not necessarily of direct human origin.

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Find the area of the circle to the nearest hundredth with r=4cm. d=18in.<br>

Annette [7]

Answer:

1.

r = 4 cm

A(circle) = π·r²

= π·(4cm)²

= 3.14·16cm²

= 50.24 cm²

2.

d = 18 in

d = 2r => r = d/2 = 18in/2 = 9 in

A(circle) = π·r²

= 3.14·(9in)²

= 3.14·81in²

= 254.34 in²

5 0

4 years ago

, <br> hi knjilopjpoooooiiioooooooooooooooooooooooooooooooooooooooooo

KonstantinChe [14]

Answer:

exactly ! Imao, purr, hi hi !

3 0

3 years ago

Please anybody help me please this is so hard that not even I can't solve this I don't pay attention in class

Alla [95]

Answer:

$m\angle B=54^{\circ}$

$m\angle BAD=36^{\circ}$

$m\angle CDA=90^{\circ}$

$BAC=72^{\circ}$

Step-by-step explanation:

Given:

$\overline{AB}\cong \overline{AC},$

$\overline{AD}$ bisects angle BAC

$m\angle C=54^{\circ}$

Triangle ABC is isosceles triangle, because $\overline{AB}\cong \overline{AC}.$ Angles adjacent to the base of isosceles triangle ABC are congruent.

Hence,

$m\angle C=m\angle B=54^{\circ}$

The sum of the measures of all interior angles is 180°, so,

$m\angle B+m\angle C+m\angle BAC=180^{\circ}\\ \\m\angle BAC=180^{\circ}-2\cdot 54^{\circ}=72^{\circ}$

Since $\overline{AD}$ bisects angle BAC, angles BAD and CAD are congruent by definition of angle bisector. So,

$m\angle BAD=m\angle CAD=\dfrac{1}{2}m\angle BAC=\dfrac{1}{2}\cdot 72^{\circ}=36^{\circ}$

AD ia angle bisector in isosceles triangle drawn to the base, so it is the height. Thus, AD and BC are perpendicular. So,

$m\angle CDA=90^{\circ}$

8 0

3 years ago

Divide. Round your answer to the nearest tenth. 85.5233 - 0.215?

Sedbober [7]

Answer:

85.5233 divided by 0.215 = 397.8

Step-by-step explanation:

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3 years ago

How do this function (a- 3a + 4)(+ 2a - 6)

IrinaVladis [17]

Answer:

Step-by-step explanation:

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4 years ago