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Fantom [35]
3 years ago
10

Two math teachers come together and write math problems about fruit vendors. If Teacher A can write 50 problems in 60 minutes an

d Teacher B can write 50 problems in 80 minutes, how long would it take them to write 50 problems if they worked together?
Mathematics
2 answers:
mylen [45]3 years ago
8 0
Approximately 70 minutes (???)
Fudgin [204]3 years ago
4 0

Answer:

hi

Step-by-step explanation:

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Which expression is equivalent to 3 + 5(2x + 9) - 3
Sladkaya [172]

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12

Step-by-step explanation:

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Quick help if you can thanks
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2 years ago
Can someone help with this please??​
adoni [48]

Answer:

doesn't x equal 6 too?

Step-by-step explanation:

since x is the same size as the other side of the triangle

8 0
3 years ago
Wich graph is the result of the reflection f(x) =1/4(8)^x across the y axis and then across the x- axis
Snowcat [4.5K]

Answer:

I assume that the function is:

f(x) = \frac{1}{4}*8^x

Now let's describe the general transformations that we need to use in this problem.

Reflection across the x-axis:

For a general function f(x), a reflection across the x-axis is written as:

g(x) = -f(x)

Reflection across the y-axis:

For a general function f(x), a reflection across the y-axis is written as:

g(x) = f(-x)

Then a reflection across the y-axis, and then a reflection across the x-axis is just:

g(x) = -(f(-x)) = -f(-x)

In this case, we have:

f(x) = \frac{1}{4}*8^x

then:

g(x) = -f(-x) =  -\frac{1}{4}*8^{-x}

Now we can graph this, to get the graph you can see below:

6 0
3 years ago
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