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EastWind [94]
2 years ago
12

Brad used the formula to find the distance in miles, d, he was from a stroke of lightning. In the formula, n is the number of se

conds that have elapsed between seeing the lightning and hearing the thunder. How far away was Brad from the lightning if 30 seconds elapsed between Brad seeing the lightning and hearing the thunder?
Mathematics
1 answer:
murzikaleks [220]2 years ago
3 0

Answer:

10 seconds

Step-by-step explanation:

using the formula we can see that since 30 seconds have passed we divide this by 3 to get 10.

Therefore  the answer is 10 seconds

please rate brainleist.

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[Help asap, question is in image, will mark brainliest]
Misha Larkins [42]

Answer:

V = 339.12

Step-by-step explanation:

Volume of a cone:

V = πr²(h/3)

Given:

r = 6

h = 9

Work:

V = πr²(h/3)

V = 3.14(6²)(9/3)

V = 3.14(36)(3)

V = 113.04(3)

V = 339.12

5 0
3 years ago
Mrs Shakya sold a jewellery at a loss of 5%.If she had sold it at Rs,5200 more she would have gained 8% .Find the cost price of
Georgia [21]

Answer:

40,000

Step-by-step explanation:

Given that:

Percentage Cost price of jewelry = 100%

Jewelery was sold at loss of 5% = (100%- 5%) = 95%

If sold at 5200 more ; profit made = 8%

That is ; (100% + 8%) = 108%

Difference between loss percentage and profit percentage = change in price sold

(108% - 95%) = 5200

13% = 5200

If ;

0.13 = 5200

The percentage cost price = 100% will be;

0.13 = 5200

1 = x

0.13x = 5200

x = 5200 / 0.13

x = 40,000

6 0
3 years ago
Which expression is NOT equal to 125? (1 point)
DENIUS [597]
Choice 1:
= 5 * [5^3 / (2/5)]^2
= by looking at the equation, it's kinda not equal to 125

choice 2:
= [5^3 / 5^4]^-3
= 5^-9 / 5^-12
= 5^(-9 - -12)
= 5^3
= 125

choice 3:
= 5^-2 / 5^-5
= 5^(-2 - -5)
= 5^3
= 125

choice 4:
= 5 * 5^5/5^3
= 5 * 5^(5-3)
= 5 * 5^2
= 5^3
= 125

So the expression that is not equal to 125 is:
<span>5 times the quotient 5 cubed over two-fifths, raised to the second power</span>
5 0
3 years ago
Solve for u, z, y, or t.<br>​
jekas [21]

Doubt --!!

Where is your question!??????

5 0
3 years ago
What is the value of x if e^3x+6 = 8?
topjm [15]

We can write any number n in the form e^{\ln(n)}, since e^x and \ln(x) are inverse functions, so that

e^{3x+6} = 8 \iff e^{3x+6} = e^{\ln(8)}

The bases are the same on both sides, so the exponents must be equal.

3x + 6 = \ln(8)

Solve for x :

3x = \ln(8) - 6

x = \boxed{\dfrac{\ln(8) - 6}3}

5 0
2 years ago
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