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castortr0y [4]
3 years ago
8

Choose the equation that matches the graph a.y=* b.y=-x c. y = 4x d. y = -4x

Mathematics
1 answer:
andre [41]3 years ago
4 0

Answer:

y = - 1/4 x

Step-by-step explanation:

Look for the slope of this graph.

Take for an example of a point. Let's take (-4,1) and (0,0)

Now let's see how many downs and rights needed to go from (-4,1) to the origin (0,0).

As you can see, it goes 1 down and 4 rights.

So now you know the slope of the line which mean you can choose one of the choices now.

1 down, means negative one (-1), will be a numerator of the slope fraction and 4 right, meaning positive four (4), will be a denominator of the slope fraction.

<em>Note: This method is only available when you see two easy points to determine. In most cases you have to do the math using the slope formula.</em>

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Hope this helps

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If a 42.9 ft tall flagpole casts a 253.1 ft long shadow then how long is the shadow that a 6.2 ft tall woman casts?
blsea [12.9K]
We will have to use proportions:
\frac{42.9}{253.1}  =  \frac{6.2}{x}
Cross multiplying we get
42.9x = 6.2 \times 253.1
Now divide:
x =  \frac{6.2 \times 253.1}{42.9}
Solve to tenths place we get
x = 36.6
The woman casts a 36.6 ft long shadow.
3 0
3 years ago
Evaluate 9p^2 for p=4 . When p=4,9p^2=?
Licemer1 [7]

Answer:

  144

Step-by-step explanation:

Put the number where the variable is and do the arithmetic.

  9p^2 = 9·4^2 = 9·16

  9p^2 = 144 . . . . when p=4

6 0
3 years ago
Los gusanos de la harina son un alimento saludable para las aves silvestres. Adam compra un recipiente de 3.5 oz de gusanos de h
lora16 [44]
Can u convertt this to english plz.
4 0
3 years ago
Last week, the members of a weight loss support group collectively weighed 2,900 pounds. They just weighed in again and are now
Doss [256]

Answer:

2,784 lbs

Step-by-step explanation:

2900/100=29 (that is 1% of the 2900)

29*4=116 (that is 4% of 2900; how much weight they lost)

2900-116=2784 (current weight)

3 0
2 years ago
PLEASE QUICKLY HELP ME!!
Ksju [112]

Answer:

Part A: 16x^2 -56x+49

I'm not quite sure on Part B and C though, sorry :/.

Step-by-step explanation:

To find the expression we need to solve (4x-7)•(4x-7)

4x•4x = 16x^2

4x•-7= -28x

-7•4x= -28x

-7•-7=49

Combine alike terms

16x^2-56x+49

Hope this helps! If you have any questions on how I got my answer feel free to ask. Stay safe!

3 0
3 years ago
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