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Setler [38]
3 years ago
9

Please Help!!!

Mathematics
1 answer:
yulyashka [42]3 years ago
4 0

Answer:

Point slope form: -9 = m(3)

Slope intercept form: y = -3x + 30

At x = 0, his delivery time was 30 minutes. It decreased by 3 minutes per day.

Step-by-step explanation:

We have 2 points to calculate the line.

(3, 21) x1 y1

(6, 12) x2 y2

First, we need to calculate the slope.

m = \frac{12-21}{6-3}

m = \frac{-9}{3}

m = -3

Point slope form is:

y - y1 = m(x - x1)

So for our case:

-9 = m(3)

And slope intercept form is:

y = mx + b

We need to solve for the y intercept (b)

y = -3x + b --- enter the slope

21 = -3(3) + b --- enter in any point on the line for x and y

21 = -9 + b

b = 30 --- solve for b

Now our slope intercept form of the line is:

y = -3x + 30

At x = 0, his delivery time was 30 minutes. It decreased by 3 minutes per day.

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aniked [119]

1 hour = 3600 seconds.

Multiply total hours by 3600.

2.26 hours x 3600 = 8136 seconds.

The answer is D.

4 0
3 years ago
Which trigonometric function has the same value as sin 75?
Sonbull [250]
The answer would be tan (44).

For sin (75)
The answer will be computed this way:
sin 75º = sin (30)º + 45º= sin 30 cos 45+cos 30 sin 45= 1/2*√2/2+√3/2*√2/2=√2/4+√6/4=(√2+√6)/4Check with calculator:sin 75º ≈ 0.9659

For tan (44): checking with the calculator the answer is also: ≈ 0.9659


6 0
3 years ago
The mean age of 5 people in a room is 27 years.
irakobra [83]

Answer:

main age = total age/total people

if Main age is = 27

27 =  \frac{ \times }{5}

and x = 135

Total age is = 135

then main age is 35

[35 =  \frac{y}{6}

and y = 210

first main age - second main age = age of the person participating

210 - 135 = 75

<h3>the age is = 75</h3>

HAVE A NİCE DAY

Step-by-step explanation:

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4 0
3 years ago
HELP PLSSS THIS IS HARD SOMEONE
Ber [7]

Answer:

I believe it would be (1,0)

Step-by-step explanation:

<u>It has been a while since I took geometry</u>, but I believe the function rule would be to add 4 to the Y value of all points and negate the X value.

That being said, C has an x value of 0, and a y value of -3.

-3 + 4 = 1

-(0) = 0

Therefore, the x value would remain unaffected, and the y value becomes 1.

Hope this helps! Keep in mind this is not a 100% definitely correct answer, but from what I remember this would be the new value.

5 0
2 years ago
Scrooge-
Neporo4naja [7]

Answer:

Step-by-step explanation:

8 0
3 years ago
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