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DiKsa [7]
3 years ago
5

Thomas observed that his friend blinked an average of three times every 15 seconds.

Mathematics
1 answer:
Nikitich [7]3 years ago
8 0

Answer:

<h2><u>13 blinks</u></h2>

Step-by-step explanation:

Step one:

given

number of blinks= 3

time taken to blink=15 seconds

the rate of blink is given as

rate= number of blinks/time taken

rate= 3/15

rate= 1/5 blinks per second, 0.2 blinks per second

Step two:

hence for a 65 second period, the number of blinks is

rate=number of blink/time

0.2=number of blink/9=65

cross multiply we have

number of blink=0.2*65

<u>number of blink=13 blinks</u>

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Bumek [7]

Answer:

m∠1 = 93.5°

Step-by-step explanation:

By theorem of intersecting chords inside a circle,

If two chords intersect inside a circle, angle formed between the chords measure half the sum of the measures of the intercepted arcs.

m∠1 = \frac{1}{2}(92+95)

       = \frac{187}{2}

       = 93.5°

Therefore, measure of angle 1 is 93.5°.

4 0
3 years ago
If h(x) = x – 7 and g(x) = x2, which expression is equivalent to (G ▪ H) (5)? (5 – 7)2 (5)2 – 7 (5)2(5 – 7) (5 – 7)x2
Eddi Din [679]

Answer:

The correct answer is (5 - 7)^2

Step-by-step explanation:

To find this, start with the outermost equation g(x).

g(x) = x^2

Now put the next equation (h(x)) in for x in this equation.

(G ▪ H)(x) = (x - 7)^2

Now, put the number in for x in the equation given.

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4 0
3 years ago
Read 2 more answers
Find the equation of the line which passes through the point
sammy [17]

Answer:

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Step-by-step explanation:

We want to find the equation of the line that goes through: !6,-10) and is perpendicular to the line

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Let's simplify the equation of the line to get:

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The slope of this line is -5.

The perpendicular to this line has a slope of

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The equation going through (6,-10) is

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We substitute to get;

y= \frac{1}{5} (x-6) - 10

Expand;

y= \frac{1}{5}x- \frac{6}{5}  - 10

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