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PIT_PIT [208]
2 years ago
11

I want the solution please

Mathematics
1 answer:
Marysya12 [62]2 years ago
7 0
I am not quite sure about this one
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A jewelry company prints a hidden logo watermark. The watermark is a chord that is 0.8 cm from the center of a circular ring tha
Sergeeva-Olga [200]

Answer:

length of chord is 6cm

Step-by-step explanation:

Here, we are to calculate the length of the chord.

It should be understood that the chord has a length of 0.8cm from the center of the circle of radius 3cm, thereby forming two right-angled triangles with the radius 3cm being the hypotenuse of each and 0.8cm being the height of each.

Now, the chord is divided into 2 by this height dropping from the center of the circle. To calculate the first half, we use Pythagoras’ theorem with 3cm being hypotenuse and 0.8cm being the other side.

mathematically;

3^2 = 0.8^2 + l^2

9 = 0.64 + l^2

l^2 = 9-0.64

l^2 = 8.36

l = √(8.36)

l = 2.89 approximately

The length of the chord would be 2l = 2 * 2.89 = 5.78 cm which is 6cm to the nearest length

5 0
2 years ago
Which expression is equivalent to 6x+8 PLZZZZZZZZZZZZ HEWLPPP!
Leto [7]
<h3>✽ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ✽</h3>

➷ Expand them all to see if you get the expression:

2(3x - 4) ==> 6x - 8

2(3x + 4) ==> 6x + 8

2(4x + 6) ==> 8x + 12

2(3x + 8) ==> 6x + 16

As you can see, the correct option is B. 2(3x + 4)

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ <u>ʜᴀɴɴᴀʜ</u> ♡

4 0
2 years ago
Read 2 more answers
100 POINTS PLEASE ANSWER IM BEGGING YOU!!!
Kazeer [188]

Answer:

A (1/7)

Step-by-step explanation:The square root goes into 1 and 49 turning them into 1 and 7, which means it's a real number and u get A.

5 0
3 years ago
Read 2 more answers
Three eggs are required to make two dozen muffins how many eggs are needed to make 12 dozen muffins
nordsb [41]
1 and a half !!!!!!!!!!!!!!!
3 0
3 years ago
the vertex of this parabola is at (-2,-3). What is the coefficient of the squared term in the parabola's equation?
wlad13 [49]
\bf \textit{parabola vertex form}\\\\&#10;\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\&#10;x=a(y-{{ k}})^2+{{ h}}\qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\&#10;-----------------------------\\\\&#10;y=a(x-h)^2+k\qquad &#10;\begin{cases}&#10;h=-2\\&#10;k=-3&#10;\end{cases}\implies y=a[x-(-2)]^2-3&#10;\\\\\\&#10;y=(x+2)^2-3

expand the binomial, either binomial theorem, or just FOIL

bear in mind, we're assuming the coefficient "a" is 1
and we're also assuming is the first form, it could be the second, but we're assuming is a vertical parabola
3 0
3 years ago
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