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Ahat [919]
2 years ago
12

X to the power of 2 subtract 3x for x=4

Mathematics
1 answer:
Helen [10]2 years ago
6 0
First, X^2 while x is 4 =4^2, which is 4x4, which is 16 
3X while x is 4 is 12. 16-12=4. So the answer is 4
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Your lunch account has $23 and you spend $2.20 each day on your lunch write an equation for the line
-BARSIC- [3]

Answer:

Assuming you mean until the lunch money balance runs out,

$2.20x = $23

Step-by-step explanation:

You spend $2.20 every day.  If you are trying to find how many days until the lunch balance runs out, you need to put in X as your variable.

The last step is to set it equal to $23 dollars to be able to factor out the answer.


Hope this Helped!

4 0
3 years ago
If you multiply two decimals less than 1,can you predict whether the product will be less or greater than either of the factors?
jek_recluse [69]
You can predict that it will be less then either of the factors. if you take half of half from anything will you ever have more than half of the original. 
-i know its a little confusing its the best i could come up with

4 0
2 years ago
Read 2 more answers
Please help me with this question
frosja888 [35]
44.5 because u measure the length with width
4 0
2 years ago
Can you solve this for me
guajiro [1.7K]
g(h(x))=g(\sqrt{x+7})=\dfrac{2}{\sqrt{x+7}+9}\\\\f(g(h(x)))=f\left(\dfrac{2}{\sqrt{x+7}+9}\right)=7\cdot\left(\dfrac{2}{\sqrt{x+7}+9}\right)+9\\\\f(g(h(x)))=\dfrac{14+9\sqrt{x+7}+81}{\sqrt{x+7}+9}\\\\(f\circ g\circ h)(x)=\dfrac{95+9\sqrt{x+7}}{9+\sqrt{x+7}}

With some extra effort, the radical can be removed from the denominator. That result is

(f\circ g\circ h)(x)=\dfrac{9x+14\sqrt{x+7}-792}{x-74}

The preferred form would be the one with the radical in the denominator, as it correctly shows the domain of the function to be x ≥ -7. The function actually is defined at x=74, which the "rationalized" form does not show.
6 0
2 years ago
Sheila is 155 cm tall lilias height is 10 cm less than twice sheila's height. how tall is lilia?​
KonstantinChe [14]

Answer:

145 cm

Step-by-step explanation:

155 cm - 10 cm

145 cm

4 0
2 years ago
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