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Ronch [10]
3 years ago
11

Surface area of 9cm, 10cm, and 15cm

Mathematics
1 answer:
AVprozaik [17]3 years ago
8 0

Answer: The answer is 750 cm

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Subtract 23.4 – 8.78 =_____
anastassius [24]

Answer:

14.62

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Y = 1/2x -4 plz show the graph, I really need to know! But it's 8th grade math!
Usimov [2.4K]

Answer:

(-4, 8)

Step-by-step explanation:

4 0
3 years ago
Need some help with this one please
Airida [17]

Answer: Choice A

y = (-3/4)(x + 4) + 6

=====================================================

Let's go through the answer choices

  • Choice A is something we'll come back to
  • Choice B is false because the line does not go uphill as we move from left to right. The graphed line has a negative slope, which contradicts what choice B is saying.
  • Choice C is false for similar reasons as choice B. The slope should be negative.
  • Choice D has a negative slope, but the y intercept is wrong. The y intercept should be 3. So choice D is false as well.

We've eliminated choices B through D.

Choice A must be the answer through process of elimination.

------------

Here's an alternative method:

If we started at a point like (0,3) and move to (4,0), note how the slope is -3/4

This is because we've moved down 3 units and to the right 4 units.

m = slope = rise/run = -3/4

We can also use the slope formula m = (y2-y1)/(x2-x1) to see this.

Then we pick on a point that is on the diagonal line. It could be any point really, but the point your teacher used for choice A is (x1,y1) = (-4,6)

So,

y - y1 = m(x - x1)

y - 6 = (-3/4)(x - (-4))

y - 6 = (-3/4)(x + 4)

y = (-3/4)(x + 4) + 6

7 0
3 years ago
Answer pls <br> The hint part also
tatiyna
4x+60+ x+15=180
5x+75=180
5x=105
x=21
Two linear angles are supplementary thereom
3 0
3 years ago
What is 3% equal to?
Vsevolod [243]

Answer:

0.03 or 3/100

6 0
3 years ago
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