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EastWind [94]
3 years ago
14

Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!

Mathematics
2 answers:
mr Goodwill [35]3 years ago
5 0

Answer:

C=2πr=2·π·7.9≈49.63716

Step-by-step explanation:

brainliest??

valina [46]3 years ago
4 0

Answer:

The answer is C≈49.64

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Use Natural Logarithms to solve the equation
Rus_ich [418]

Answer:

A) 0.106

Step-by-step explanation:

8e^3x + 4 = 15

Subtract 4 from each side

8e^3x + 4-4 = 15-4

8e^3x  = 11  

Divide each side by 8

8/8e^3x = 11/8

e^(3x) = 11/8

Take the natural log of each side

ln(e^(3x)) = ln(11/8)

3x = ln(11/8)

Divide by 3

3x/3 = 1/3 ln(11/8)

x = 1/3 ln(11/8)

x =.106151244

To the nearest thousandth

x = .106

7 0
3 years ago
A jet moving at constant speed traveled 6,600 km in 3 hours. What was the speed of the jet?
DanielleElmas [232]

Answer:

The speed of the jet is 2,200\frac{km}{h}

Step-by-step explanation:

The speed traveled by the jet can be found using the relationship between distance and time. Because the problem gives the values for distance and time, they must be replaced in the equation and in this way the requested speed will be found.

1. Write the general equation for the speed:

Speed=\frac{Distance}{Time}

2. Replace the values of distance and time on the general equation for the speed and make the mathematical operations:

Speed=\frac{6,600km}{3hours}

Speed=2,200\frac{km}{h}

Therefore the speed of the jet is 2,200\frac{km}{h}

3 0
3 years ago
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I don’t get this help
Ahat [919]

Answer:

its the 4th one

Step-by-step explanation:

8 0
3 years ago
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Hi! I need help with this problem! (screenshot below) Thanks! :D
LenaWriter [7]
The slope is 1/2 and the Y intercept is -3, so the equation will be Y=1/2x-3
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3 years ago
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Josh has $9.00. Bagels cost $0.70 each and a small container of cream cheese cost $2.50. What is the greatest number of bagels J
deff fn [24]

Answer:

Josh's 9.00

Bagel cost 0.70

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9.00–2.50=6.50

6.50

6.50 \div 0.70 7

=10

7 0
3 years ago
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