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Bas_tet [7]
3 years ago
14

Bob gets 3n+2=20 as the final row of his magic number puzzle table. what was his starting number?

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
6 0
3n+2=20
     -2   -2
3n=18
divide by 3 
n=6
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Angela is riding her dirt bike along a trail. She traveled 24 miles north then traveled 13 miles east. Shestopped for a moment a
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The given path can be illustrated in the following diagram:

She has only 30 miles worth of gas, if she comes back through the same path then the total distance is:

\text{Total distance=13 miles + 24 miles = 37 miles}

Therefore, she has not enough gas to go back using the same path.

Now, the total distance traveled in a straight path (SP) can be found using the Pythagorean theorem, we get:

\begin{gathered} SP=\sqrt[]{13^2+24^2} \\ SP=\sqrt[]{745} \\ SP=27.3\text{ miles} \end{gathered}

Therefore, she needs to take a straight path.

3 0
1 year ago
How to write y-6=-5/2 (x+4)
coldgirl [10]

Answer:

In point slope form, this is y = (-5/2)x + 2.  In standard form, it's (5/2)x + y = 2.

Step-by-step explanation:

y-6=-5/2 (x+4) has already been written in point-slope form.  The slope of the line is -5/2 and the point on the line is (-4,6).

In slope-intercept form:  add 6 to both sides of the original equation, obtaining y = 6 - (5/2)(x + 4), or y = 2 - (5/2)x, or y = (-5/2)x + 2


8 0
3 years ago
Please help ! I don’t understand :(
Elina [12.6K]

Answer:

A. The number quadrupled each week

Step-by-step explanation:

f(x)= 3(4)^x

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So the answer choice is A

7 0
3 years ago
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bezimeni [28]

Answer:

when distributing the first equation 1/4(8y+24) it is actually 2y+6 because 1/4*24= 6 not 8

Step-by-step explanation:

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3 years ago
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schepotkina [342]

Answer:

We can see that the denominators of both the numbers is not same

So in order to make it same for the both numbers, we will multiply the second number by 2/2 ,(which is basically 1 so it won't affect our calculations)

\frac{11}{2^2 * 5^2} - \frac{2}{2^2 * 5^2}

So we will just subtract the numbers now

\frac{9}{2^2 * 5^2} <em>This is the answer </em>

<em>Kindly mark Brainly, Thanks</em>

4 0
3 years ago
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