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almond37 [142]
3 years ago
5

the difference between two numbers is 31. Four times the smaller is equal to 8 more than the larger. What are the numbers?

Mathematics
1 answer:
stepladder [879]3 years ago
5 0
I would more detail so I can better answer your question for you

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The price of an item has been reduced by 85%. the original price was $35 find price of item.
Reptile [31]

Answer:

original price = 35

new price = 35 - 85%*35 = 35 - 29.75 = 5.25

Step-by-step explanation:

5 0
3 years ago
Please help me with this question
adoni [48]

Answer:

y = e^{x^2 - 3x}\\\\\\Let \ u = x^2 - 3x\\\\y = e^u\\\\\frac{dy}{du} = e^u\\\\\frac{du}{dx}  = 2x - 3\\\\y' = \frac{dy}{dx}  = \frac{dy}{du} *\frac{du}{dx} = e^u * (2x -3)\\\\Substitute \ u = x^2 -3\\\\y' = (2x -3)e^{x^2-3x}\\\\option A

5 0
3 years ago
Graph the function f(x) = (x + 1)(x - 5). Use the drop-
hodyreva [135]

Answer:

3) (2,-9)

4) (0,-5)

5) (1,-8)

Step-by-step explanation:

3)

The vertex will occur between you x-intercepts.

You already found that happens at x=2.

To find the corresponding y-coordinate, replace x in

f(x)=(x+1)(x-5) with 2:

f(2)=(2+1)(2-5)

f(2)=(3)(-3)

f(2)=-9

So the vertex is (2,-9).

4)

The y-intercept is when x=0.

So in f(x)=(x+1)(x-5) replace x with 0:

f(0)=(0+1)(0-5)

f(0)=(1)(-5)

f(0)=-5

So the y-intercept is (0,-5).

5)

To find another point just plug in anything besides any x already used.

We preferably want to use a value of x that will keep us on their grid however far up,down,left, or right their grid goes out. So I'm going to choose something close to the vertex which is at x=2. Let's go with x=1.

So replace x in f(x)=(x+1)(x-5) with x=1:

f(1)=(1+1)(1-5)

f(1)=(2)(-4)

f(1)=-8

So another point to graph is (1,-8).

7 0
3 years ago
Help please asap and or ill eat your mom
tresset_1 [31]
The answer is F

I hope I helped. Brainliest would be appreciated.
5 0
3 years ago
2(x-8) + 4x = 6(x - 2) - 4
mrs_skeptik [129]
0=0, all numbers are solutions
5 0
3 years ago
Read 2 more answers
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