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patriot [66]
3 years ago
9

Simplify (2^8*3^-5*6^0)^-2 * (3^-2\2^3)-^4 * 2^28=

Mathematics
1 answer:
marin [14]3 years ago
3 0
This is pretty hard but um in decimal form it would make 0.9010162353515625, but to simplify it the answer would be 0.9
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Can someone please help me with this?
Nana76 [90]

Answer:

The lenght is 8 cm

Step-by-step explanation:

8 0
3 years ago
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I need help with the first one
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The answer is d because if you multiply-5x2 and then subtract 1 you get -11
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3 years ago
Determine if line AB is tangent to the circle.
galina1969 [7]

Answer:

<em>Is a tangent</em>

Step-by-step explanation:

<em>* Great question by the way *</em>

~ By definition, a tangent to circle is a straight line, presently perpendicular to a radius if one. In this case tangent AB should be perpendicular to the radius. If we were to call the center O, we would say AB should be perpendicular to OA. ~

1. Now let us say at the moment that AB is a tangent. If that is so, it should be that m∠A = 90 degrees ( ° ), provided AB is ⊥ to OA by definition.

2. Now the triangle ABO is a right triangle, and with that is should be that Pythagorean Theorem is applied. This can help us prove if AB is a tangent or not. If Pythagorean Theorem is not applicable it would mean ABO is not a right angle triangle, that AB is not ⊥ to OA, and thus can't be a tangent.

3. Let us say x ⇒ side OA, and that side BO = 9 + 8 + 17:

AB^2 + OA^2  =  BO^2,

15^2 + x^2 = 17^2,

<em>x = 8</em>

4. Now there are two radii present, OA is only one of them. As radii are ≅, OA = other radii, 8 = 8

5. This proves that Pythagorean Theorem is applicable, that ABO is a right triangle, that m∠A = 90°, and that by definition <em>AB is a tangent</em>

7 0
3 years ago
Simplify -10(10w-6-w)-w
kompoz [17]

Answer:

-91w + 60

Step-by-step explanation:

to simplify this -10(10w-6-w)-w

we have,

-10(10w-6-w)-w

-100w + 60 + 10w - w

-91w + 60

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3 years ago
Lunch costs $2.25 per day. An equation showing the relationship between
SVEN [57.7K]

Answer:

The dependent variable is c

Step-by-step explanation:

The cost of lunch changes with each day, so the cost depends on the number of days

8 0
2 years ago
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