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natita [175]
3 years ago
9

Find the value of n in the equation 6.2n – 3.7n = 85 + 45

Mathematics
1 answer:
qwelly [4]3 years ago
8 0
Im not sure but i found the answer as n= 52
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A field is to be fertilized at a cost of $0.08 per square yard. The rectangular part of the field is 95 yards long and the diame
dem82 [27]

this gives
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3 years ago
Help:) Factor f(x) = 4x^3+ 23x^2- 70x + 16 into linear factors given that - 8 is a zero of f(x).
Charra [1.4K]

Answer:

(x + 8)(x - 2)(4x - 1)

Step-by-step explanation:

Given that x = - 8 is a zero then (x + 8) is a factor

Divide f(x) by (x + 8) using Synthetic division

- 8 | 4    23    - 70    16

        ↓  - 32      72   - 16

      ---------------------------------

        4    - 9       2       0

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Thus

f(x) = (x + 8)(x - 2)(4x - 1)

 

8 0
3 years ago
The function f(x) = 2x + 510 represents the number of calories burned when exercising, where x is the number of hours spent exer
riadik2000 [5.3K]

Answer: 789 calories burned while combining diet with 2 hours of exercise

Step-by-step explanation:

we have that

f(x)=2x+510

g(x)=200x-125

we know that

(f+g)(x)=f(x)+g(x)

substitute

(f+g)(x)=2x+510+200x-125

(f+g)(x)=202x+385

Find (f+g)(2)

For x=2 hours

substitute

(f+g)(2)=202(2)+385

(f+g)(2)=789\ calories

therefore

The answer is

789 calories burned while combining diet with 2 hours of exercise

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$149.60 that's what he will have left

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The gas tank of a car is 36% empty what fraction of the tank is full
Debora [2.8K]
64% of the gas tank is full                                 
4 0
3 years ago
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