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netineya [11]
3 years ago
8

Can someone please help me with 49 and 50 please. I will give Brainliest Answer.

Mathematics
1 answer:
Makovka662 [10]3 years ago
4 0

Answer: 49=b

50=d

Step-by-step explanation:

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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
A cashier earns $7 an hour. If x is the number of hours worked, which function represents the cashier’s earnings? y = 7x y = x 7
Vilka [71]
I think its 7x since x represents the hours she worked. So lets say that she worked for 5 hours this day. It would be 5*7 which is $35. So it is 7x and if there is any choices you might say it as well so we can help you better
4 0
3 years ago
Read 2 more answers
A surveyor needs to determine the height of a tree. She places a mirror on the ground and paces backwards until she sees the top
Arada [10]
She then measures the distance from the mirror to the base of the tree ... backwards until she sees the top of the tree reflected in the mirror.
7 0
3 years ago
in a poll 303 students voted . nominee d received 2/3 of the votes how many votes did nominee d receive​
Dmitry_Shevchenko [17]

Answer:

Nominee d receive 202 votes.​

Step-by-step explanation:

Given : In a poll 303 students voted. Nominee d received \frac{2}{3} of the votes.

To find : How many votes did nominee d receive​ ?

Solution :

The number of votes = 303

Nominee d received \frac{2}{3} of the votes.

i.e. n=\frac{2}{3}\times 303

n=2\times 101

n=202

Therefore, nominee d receive 202 votes.​

5 0
3 years ago
If you are 2.25 feet above water and then dive directly down 3.75 into the water, how deep in the water will you be? Explain.
Aneli [31]
1.5 deep.

you subtract 2.25 of air space from the total depth 3.75

3.75-2.25=1.5
5 0
3 years ago
Read 2 more answers
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