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kakasveta [241]
3 years ago
13

Which expression is equivalent to 4-8x

Mathematics
1 answer:
Sliva [168]3 years ago
8 0
The expression is equivalent tp 4x because if u simplify 8-4 u get 4 so the answer is 4x
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Pic attached for further detail
marissa [1.9K]
I dont get what you asking
8 0
3 years ago
Find GH. Round to the nearest hundredth.
Bond [772]
You need to use the cosine for this and this is how you do it.

7 0
3 years ago
The right triangle on the right is a scaled copy of the right triangle on the left. Identify the scale factor. Express your answ
Sonja [21]

Answer:

1/3

Step-by-step explanation:

the one on the left is 3 times larger than the one on the right. in other words, the right triangle's dimensions times 1/3 is equal to the left triangle's dimensions.

5 0
3 years ago
The question I need is question #13. Please provide a step by step answer. Thank You
Jet001 [13]

Answer:

Step-by-step explanation:

We have plane 1 flying SW for 4 hours at a rate of 415 mph.  The distance he covers using the d = rt formula for distance, is 415(4) = 160 miles.

We also have plane 2 flying directly east (along the x-axis) for 4 hours at 327 mph.  The distance he covers using the d = rt formula for distance, is 327(4) = 1308 miles.  The angle in between them at this point is 135 degrees, and what we need to find is the length of the vector connecting the 2 planes.  IF this was right triangle trig that distance would be the hypotenuse and we could solve for it using Pythagorean's Theorem.  BUT it is NOT a right triangle, so we have to find some other means with which to solve for that length.  We will use the Law of Cosines to do this.

?^2=1660^2+1308^2-2(1660)(1308)cos(135) which simplifies a bit to

?^2=2755600+1712864-(-3070653.624)

If you add all of that together, you'll get

?^2=7537117.624  and you'll take the square root of that to get that the distance between the 2 planes after 4 hours is

2745 miles

4 0
3 years ago
You usually buy a 5.4 ounce bottle of lotion. There is a new bottle that says it gives
tangare [24]

Answer:

5.4 · 0.2

1.08 = 20%

5.4 + 1.08

6.48 ounce bottle

3 0
2 years ago
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