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mafiozo [28]
3 years ago
7

I feel like it’s either answer 2 or 4. i just don’t understand the -9 part

Mathematics
1 answer:
harina [27]3 years ago
8 0

Answer:

n < 27

Step-by-step explanation:

let the number be n

\frac{1}{3} n - 3 < 6 \\ add \: 3 \: to \: both \: sides \\  \frac{1}{3}n - 3 + 3  <  6 + 3 \\  \frac{1}{3} n  <  \\  9 \\ multiply \: both \: sides \: by \: 3 \\  \frac{1}{3} n  \times 3< 9 \times 3 \\ n < 27

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Complete the square f(x) = x^2 + 4x - 8 <br><br><br> PLZ help me ;c
Semenov [28]
Ok, first group x terms
f(x)=(x²+4x)-8
factor out quadratic coefient (no need but that's the step)
f(x)=1(x²+4x)-8
take 1/2 of the linear coefient and square it
4/2=2, (2)²=4
add positive and negative of it insides the parenthasees
f(x)=1(x²+4x+4-4)-8
factor perfect square
f(x)=1((x+2)²-4)-8
distribute
f(x)=1(x+2)²-4-8
f(x)=1(x+2)²-12
and, now if we wanted to find the x intercepts where f(x)=0 then
0=1(x+2)²-12
12=(x+2)²
+/-2√3=x+2
-2+/-2√3=x

x=-2+2√3 or -2-2√3
that is where the x intercept are

and completed square form is
f(x)=(x+2)²-12
6 0
3 years ago
Farmer has to transport a fox, a chicken, and a sack of corn across a river. she can carry only one item at a time. if left toge
vagabundo [1.1K]
Step by step guide
1)carry the chicken over and put it there
2) farmer cross alone to carry the corn over and carry the chicken back
3) put the chicken there and carry the fox to put there with th3 corn
4) go back to get the chicken
6 0
3 years ago
Please help me there is a picture right there
seraphim [82]

Answer:

90 mm^2

Step-by-step explanation:

split into two rectangles.

First rectangle: 5 x 6 = 30 mm^2

Second rectangle: 10 x 6 = 60 mm^2

30 + 60 = 90 mm^2

3 0
3 years ago
Read 2 more answers
a jug holds 4 quarts How many liters of milk dose the jug hold ? round your answer to the nearest hundredth of a liter 1 L=1.06
svetoff [14.1K]

Answer:

Please read the explanation to clarify.

Step-by-step explanation:

What you would have to do is multiply 1.06 by 4 to get 4.24. However, if you search up the exact conversion on g00gle, "how many liters are in 4 quarts?", you get the exact number of 3.78541, which can be rounded to 3.78. I believe if this is more of an exam thing, you should go with the first answer I gave, 4.24, and show how you multiplied to show your work. However, if you would like to use the second answer, it is completely up to you. Either way,  I hope this helped, and if you have any further questions please don't hesitate to let me know. :)

7 0
3 years ago
Read 2 more answers
Can anyone help please
harina [27]

The question mark is 5. 8-5=3 and 12-5=7

6 0
3 years ago
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