3 years ago

I need help, how many chirps per minute?? and why?

Mathematics

1 answer:

Korvikt [17]3 years ago

8 0

About 90 maybe but not sure

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D. 50 mph

Going upstream takes longer because of the flow of the water

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3 years ago

14. Find the slope of a line parallel to 3y - 6x = 9. (Lesson 3-4)

DanielleElmas [232]

$\bf 3y-6x=9\implies 3y=6x+9\implies y=\cfrac{6x+9}{3}\implies y = \cfrac{6x}{3}+\cfrac{9}{3} \\\\\\ y = \stackrel{\stackrel{m}{\downarrow }}{2}x+3\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}$

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3 years ago

1. x + 2x - 1 = 38<br> Inverse operation

Lena [83]

Answer:

x=13

Step-by-step explanation:

First, you add the x's together: 2x+x=3x

Now you have:3x-1=38

Add 1 to both sides: 3x=39

1 cancel on the left side of the equation

Divide 3 on both sides: x=39/3

3 cancels on the left side and 39 divided by 3 is 13:

x=13

Hope this helps!

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3 years ago

PLS HELP! trig. 15 pts!!

Black_prince [1.1K]

Answer: 4.5

Step-by-step explanation:

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3 years ago

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WITCHER [35]

Answer:

186 milligrams

Step-by-step explanation:

195 130

—— ——

279 X

Cross multiply

195x = 36270

——— ————

195 195

X = 186

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3 years ago