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Alexus [3.1K]
3 years ago
7

Help with 8 please ASAP

Mathematics
2 answers:
asambeis [7]3 years ago
7 0
Use the equation 459/x=85/100. then you cross multiply 459 and 100 to get 45900. after that you divide 45900 by 85 to get x=540
cricket20 [7]3 years ago
6 0
Its 540 because you do 80 = P x 459 the you put 85 divide by 459 and get you number and put it over 100 and if its a decimal don't put it in                                    
                                            
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W(x)=-5(x-8)(x+4) what is the maximum height that the stone will reach?
Ganezh [65]

Answer:

the maximum height is 180 or y=180

Step-by-step explanation:

6 0
3 years ago
find the smallest number of terms of the AP "-54,-52.5,-51,-49.5" ....that must be taken for the sum of the terms to be positive
wel

The smallest number of terms of the AP that will make the sum of terms positive is 73.

Since we need to know the number for the sum of terms, we find the sum of terms of the AP

<h3>Sum of terms of an AP</h3>

The sum of terms of an AP is given by S = n/2[2a + (n - 1)d] where

  • n = number of terms,
  • a = first term and
  • d = common difference

Since we have the AP "-54,-52.5,-51,-49.5" ....", the first term, a = -54 and the second term, a₂ = -52.5.

The common difference, d = a₂ - a

= -52.5 - (-54)

= -52.5 + 54

= 1.5

<h3>Number of terms for the Sum of terms to be positive</h3>

Since we require the sum of terms , S to be positive for a given number of terms, n.

So, S ≥ 0

n/2[2a + (n - 1)d] ≥ 0

So, substituting the values of the variables into the equation, we have

n/2[2(-54) + (n - 1) × 1.5] ≥ 0

n/2[-108 + 1.5n - 1.5] ≥ 0

n/2[1.5n - 109.5] ≥ 0

n[1.5n - 109.5] ≥ 0

So, n ≥ 0 or 1.5n - 109.5 ≥ 0

n ≥ 0 or 1.5n ≥ 109.5

n ≥ 0 or n ≥ 109.5/1.5

n ≥ 0 or n ≥ 73

Since n > 0, the minimum value of n is 73.

So, the smallest number of terms of the AP that will make the sum of terms positive is 73.

Learn more about sum of terms of an AP here:

brainly.com/question/24579279

#SPJ1

4 0
2 years ago
I understand how to find out slope but I need help finding out what to do after that
barxatty [35]
Just look at the line and see how many times it goes up it is just like rise over run it is simple 
8 0
3 years ago
Solve for x. Leave your answer in simplest radical form.
natita [175]

Answer:

Square root of 35 or 5.9160797831

Step-by-step explanation:

4 0
3 years ago
A cell phone company charges a monthly fee of $35 and an addition $0.20 per minute used.
kiruha [24]

Answer:

35 + .2m

Step-by-step explanation:

The monthly fee of $35 is a base pay, and you don't change anything with it.

The "m" stands for minute, and since it costs $.20 for each minute, multiply the two together to get that part of the equation.

4 0
3 years ago
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