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Nana76 [90]
3 years ago
14

Write an expression that is equivalent to 123x + x + 2x

Mathematics
1 answer:
Svetlanka [38]3 years ago
7 0
This simplified is 126x so that is equivalent to this expression
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Evaluate f(x)= -2x for x=3
cluponka [151]
Replace all x's with the value of x.

f(x) = -2x becomes f(3) = -2(3)

f(3) = -2(3)
f(3) = -6

So, -6 is the answer.
8 0
3 years ago
An arts academy requires there to be 5 teachers for every 115 students and 3 tutors for every . How many students does the acade
dexar [7]

Answer:

1.23

2. Question incomplete

3. Needs Question 2 to Answer

Step-by-step explanation:

1. 115÷5=23

3 0
3 years ago
Please help due very soon
Dovator [93]
D) 61 degrees
the two angles not touching the exterior angle add up to be the exterior angle therefore you plug in each of the answers by adding them to 57 until you get 118
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3 0
3 years ago
How many 12 ounces can go into a 10 gallon jug?
den301095 [7]

Answer: 1280 fluid ounces.

Step-by-step explanation:

3 0
3 years ago
each time kim pour water from a jug into a glass, exactly 10% of the water remaining in the jug is used. What is the minimum num
Gnoma [55]

The <em><u>correct answer</u></em> is:

At least 7 times.

Explanation:

Since 10% of the water in the jug is removed each time, this means that 100-10=90% of the water remains.

After two times, we would have 0.9(0.9) = 0.81 = 81% of the water; each time she pours, the number of times 0.9 is multiplied by itself changes.  This makes this an exponential inequality (it is not an equation, as we want "less than half of the water"):

0.5 < 0.9^x

To solve this, we will use logarithms:

\log_{0.9}(0.5)

4 0
3 years ago
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