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3 years ago

Translate the equation into a verbal sentence. 4x=8x-y

Mathematics

1 answer:

LiRa [457]3 years ago

5 0

Answer:

Four times a number is equal to eight times a number minus a number.

Step-by-step explanation:

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Twice a number decreased by eight is sixteen.

Firlakuza [10]

The number is 12

16 plus 8 = 24/ 2= 12

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2 years ago

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Please help me!<br><br> ty :)

dalvyx [7]

Answer:

x intercept= (-3,0) y intercept= (0,3)

Step-by-step explanation:

for x intercepts, y should equal zero

for y intercepts, x should equal zero

x intercept: -x+0=3

-x=3

x=-3 (x,y)--> (-3,0)

y intercept: 0+y=3

y=3 (x,y)--> (0,3)

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2 years ago

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3 years ago

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What would the amplitude be? How do I find it? Should I add 1.25+6.75 then divide by 2 ?

Elis [28]

Answer:

2.75

Step-by-step explanation:

The amplitude is half of the difference between the highest and lowest y-coordinates.

amplitude = 0.5|6.75 - 1.25| = 0.5(5.5) = 2.75

3 0

2 years ago

Sara and Paul are on opposite sides of a building that a telephone pole fell on. The pole is leaning away from Paul at

r-ruslan [8.4K]

Answer:

a) See figure attached

b) $x = \frac{sin(124)}{sin(34)} 80.086 = 118.732 ft$

c) $h = 35 sin (59) = 30.0 ft$

So then the heigth for the building is approximately 30 ft

Step-by-step explanation:

Part a

We can see the figure attached is a illustration for the problem on this case.

Part b

For this case we can use the sin law to find the value of r first like this:

$\frac{sin(22)}{35 ft} =\frac{sin(59)}{r}$

$r= \frac{sin(59)}{sin(22)} 35 ft = 80.086ft$

Then we can use the same law in order to find the valueof x liek this:

$\frac{sin(124)}{x ft} =\frac{sin(34)}{80.086}$

$x = \frac{sin(124)}{sin(34)} 80.086 = 118.732 ft$

And that represent the distance between Sara and Paul.

Part c

For this cas we are interested on the height h on the figure attached. We can use the sine indentity in order to find it.

$sin (59) = \frac{h}{35}$

And if we solve for h we got:

$h = 35 sin (59) = 30.0 ft$

So then the heigth for the building is approximately 30 ft

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2 years ago