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Crank
3 years ago
5

Which term in the arithmetic sequence 11, 4,-3 . . . is -129?​

Mathematics
1 answer:
telo118 [61]3 years ago
4 0

Answer:

23rd term

Step-by-step explanation:

Plz mark as Brainliest!

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Six grape fruit cost $5.34. How much does one grape fruit cost????
Firlakuza [10]
In order to figure this out, we can set up a proportion and simplify using cross multiplication.

\frac{units_1}{cost _{1} } =\frac{units_2}{cost _{2} }  \\  \\  \frac{6}{5.34} = \frac{1}{x}  \\  \\ 6*x=5.34*1 \\  \\ 6x=5.34 \\  \\ x=0.89

One grapefruit costs 89 cents.
3 0
3 years ago
Read 2 more answers
16.) A. B. C. Algebra 2 chapter 7
Slav-nsk [51]
Your equation for exponential growth is of the form y=a(b) ^{x}, where a is the initial or starting value and b is the multiplier.  DO NOT EVER EVER MULTIPLY A TIMES B AND THEN RAISE IT TO THE X POWER! This is not the way you do these.  A and B remain separate.  In our situation, we have an equation that looks like this y=8(4) ^{x}.  That's part a.  Now we need to find how many bacteria are on it 5 hours later, which will be subbed in for our x in the equation.  y=8(4) ^{5}.  Raise 4 to the 5th power first to get 1024, then multiply that by 8 to get a total of 8192 bacteria on your cookie 5 hours later.  That's part b.  Now for part c, you're going to have to use some of the properties of logs to solve this.  This time they're asking for the time it takes to get 100,000 bacteria on the cookie, which is your x value.  You need to get it out from being an exponent to being a "regular" variable we can solve for.  So our equation now uses the number of bacteria as our y: 100,000=8(4) ^{x}.  Begin by dividing both sides by 8 to get rid of it on the right: 12,500=4 ^{x}.  Now take the log of both sides to bring down that x: log(12,500)=log(4) ^{x}, and using the power property we have log(12,500) = x log(4).  Now we will divide both sides by log(4) to isolate the x and do the work on our calculator to find that x= 6.80.  In other words, it will take just short of 7 hours for your cookie to have 100,000 bacteria on it.  I'd suggest cafeteria food, but that might kill you quicker!
5 0
3 years ago
Can you help me with this problem
snow_lady [41]
Since there are no actual values, I guess we just have to isolate the b.

2A=bh (multiply both sides by 2)
2A/h=b (divide by h)

hope this helps
4 0
3 years ago
( PLASE HELP ME) Solve the following equation.
vovikov84 [41]

Answer:

x = 2

Step-by-step explanation:

5(x-4) =-10

Distribute 5 by multiplying x and -4 by 5

5x - 20 = -10

Add 20 to both sides

5x - 20 + 20 = -10 + 20

5x = 10

Divide both sides by 5

5x ÷ 5 = 10 ÷ 5

x = 2

-Chetan K

7 0
3 years ago
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1/2 +b=1 3/4 <br><br> What does b represent and how to solve it?
LenKa [72]

Answer:

b= 5/4 or 1 1/4

Step-by-step explanation:

First I will make 1 3/4 into an improper fraction

1/2 + b = 7/4

Then I will make the fractions have common denominators

2/4 + b = 7/4

I subtract 2/4 from 7/4

b= 5/4

5 0
3 years ago
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