361.2 ÷ ________ = 036.12 (3 points)

Mathematics

2 answers:

Goryan [66]3 years ago

7 0

Answer:

C. 10

Step-by-step explanation:

You can take the blank as x

so 361.2 / x = 36.12

multiply by x

361.2 = 36.12x

divide

x = 10

almond37 [142]3 years ago

5 0

Answer:

C. 10

Step-by-step explanation:

When dividing a number by 10, you are moving the decimal place to the left by one placing.

361.2/10 = 36.12

Simply move the decimal from between 1 and 2 to between 6 and 1.

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Determine if line AB is tangent to the circle.

galina1969 [7]

Answer:

Is a tangent

Step-by-step explanation:

* Great question by the way *

~ 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,

x = 8

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 AB is a tangent

7 0

3 years ago

Can someone help me simplify and write in power form and show me step by step how to do it for both problem 8 and 9?

marysya [2.9K]

Answer:

$\frac{-1.1x^{25} }{-1.1x^{11} }$ $\frac{mx^{67} }{mx^{37} }$

Step-by-step explanation:

Sine (-1.1) is the same as (-1.1) you just put them together and if the numbers are by each other you just add up the exponents. But if the question says this $\frac{-1.1x^{2} }{-1.1x^{3} }$ than you subtract the exponents.