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qwelly [4]
3 years ago
6

4. Jake had a 12-foot board that needed to be cut

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
4 0

Answer:2 feet, 5 inches

Step-by-step explanation:12 inches in a foot.  12 feet minus 9 feet is 3 feet.  Take that remaining 3 feet and subtract 7 inches (12 inches mins 7 inches = 5 inches).  So 2 feet, 5 inches

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Answer:

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Step-by-step explanation:

Move the decimal two places to the left for s and t

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2 years ago
Find the inverse of y=ln2x
never [62]

Answer:

The exponential function, exp : R → (0,∞), is the inverse of the natural logarithm, that is, exp(x) = y ⇔ x = ln(y). Remark: Since ln(1) = 0, then exp(0) = 1. Since ln(e) = 1, then exp(1) = e.

Step-by-step explanation:The exponential function, exp : R → (0,∞), is the inverse of the natural logarithm, that is, exp(x) = y ⇔ x = ln(y). Remark: Since ln(1) = 0, then exp(0) = 1. Since ln(e) = 1, then exp(1) = e.

4 0
2 years ago
[khan academy]
deff fn [24]

Answer: point 1 is (-4,-6) point 2 is (-4,8)

Step-by-step explanation:

point D is located at (-4,1) with the x-coordinate being -4 and the y-coordinate being 1 so to get the points 7 units away with the same x-coordinate you:

1. subtract 7 from the y-coordinate in the original point (-4,1) and get (-4,-6) your first point

2. add 7 to the y-coordinate in the original point (-4,1) and get (-4,8) your second point

3 0
3 years ago
Federal, state, and local governments spend money collected from taxes to fund specific programs and services. Which item is sup
Svetradugi [14.3K]
Public schools are free to use for the public (despite uniform and others), and jobs involved in public schools (like teachers) get their money from the government as everything funded towards public schools are by the government
7 0
3 years ago
HURRYYYYYYYYY!! What is the equation of the quadratic function with a vertex at (2, 25) and an x-intercept at (7,0)?
tangare [24]

Answer:

y=-(x-7)(x+3)

which is none of the choices provided.

Are you sure the question is right or even the choices?

You can even write it as:

y=-(x+3)(x-7) but this is still not a choice.

Step-by-step explanation:

The vertex form of a quadratic is y=a(x-h)^2+k.

This is called vertex form because it gives you the vertex is (h,k).

We are given that (h,k)=(2,25) which makes our equation:

y=a(x-2)^2+25.

We can find the value of a by plugging in the x-intercept (7,0) for (x,y) into:

y=a(x-2)^2+25

0=a(7-2)^2+25

0=a(5)^2+25

Subtract 25 on both sides:

-25=a(5)^2

-25=a(25)

Divide both sides by 25:

\frac{-25}{25}=a

-1=a.

So the equation for the quadratic is:

y=-1(x-2)^2+25

Let's put this into factored form since all the choices are in factored form.

This will require us to multiply the (x-2)(x-2) out:

y=-1(x-2)(x-2)+25

y=-1(x^2-2x-2x+4)+25

y=-1(x^2-4x+4)+25

y=-x^2+4x-4+25

y=-x^2+4x+21

Factor out -1:

y=-(x^2-4x-21)

WE need to find two numbers that multiply to be -21 and add to be -4:

y=-(x-7)(x+3)

8 0
3 years ago
Read 2 more answers
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