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avanturin [10]
3 years ago
5

Evaluate 23x-1 for x = 1. 1 4 7 8

Mathematics
2 answers:
lianna [129]3 years ago
5 0

replace the value of x int eh equation

 so 23x-1 becomes

23(1.1478)-1

23*1.1478 = 26.3994-1 = 25.3994

Jobisdone [24]3 years ago
3 0

THE ANSWER IS 8 :)

Step 1: Simplify. Turn 2^3x-1 into 2^3(1)

Step 2: Multiply exponents. 3 times 1 is 3 so it simply becomes 2^3

Step 3: Solve. Multiply 2 by itself three times. By doing this, you get 8!

2x2x2=8

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today a boat valued at $45,000.Thebvalue is expected to decrease at a rate of 8.5% each year.What is the value of the boat expec
Stels [109]

Current value of the boat = $45000

Rate at which the value decrease = 8.5%

Value decreased after 1 year = \frac{8.5}{100}\times45000=3825

Hence, value becomes = 45000-3825=41175

Value decreased after 2nd year =

\frac{8.5}{100}\times41175=3499.875

Hence, value becomes = 41175-3499.875=37675.125

Value decreased after 3 year =

\frac{8.5}{100}\times37675.125=3202.385

Hence, value becomes = 37675.125-3202.385=34472.74

So, value of the boat after 3 years becomes $34472.74

3 0
3 years ago
A plane flying horizontally at an altitude of 3 mi and a speed of 440 mi/h passes directly over a radar station. find the rate a
Licemer1 [7]
The distance is increasing at a rate that is the speed of the plane multiplied by the cosine of the angle between its flight path and the direct line to the radar station. That cosine is 4/√(3²+4²) = 4/5, so the distance is increasing at
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8 0
3 years ago
Please help I will reward brainly! Please help .
Dimas [21]
The answer is x is less than 2
5 0
3 years ago
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How much more snow fell in February 1889 than November 1888?
defon

Answer:

Step-by-step explanation:

i believe it is 4.

assuming feburary it snowed about 8.5 inches and in november it is at about the 3 in line you would subtract to get about 5.5 inches

3 0
3 years ago
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What is a solution?What was the solution to this equation?how many solutions did the equation have?
Korolek [52]

We have

3x+7=11x+15

We subtract 11x on both sides and 7 on both sides

3x-11x+7-7=11x-11x+15-7

we sum like terms

\begin{gathered} 3x-11x=15-7 \\ -8x=8 \\  \end{gathered}

Then we isolate the x

x=-\frac{8}{8}=-1

ANSWER

x=-1

The equation only have one solution

3 0
1 year ago
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