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iogann1982 [59]
3 years ago
15

You have a large container of petrol. You have used 320 quarts of petrol. Eighty percent of the petrol remains. How many quarts

of petrol remain?
Mathematics
1 answer:
Oduvanchick [21]3 years ago
7 0

Answer:

256 quarts remain.

Step-by-step explanation:

.8x320=256

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Muna is making a scale drawing of a gecko. The gecko is 1:2 inch wide and 5 inches long. she decides to make her drawing of the
Nataliya [291]

Answer:

L= 0.83 in

Step-by-step explanation:

Width= 1.2 in when length = 1 in

Required

Determine the length when width = 1 in

First, we need to determine the ratio

Ratio = \frac{Width}{Length}

Ratio = \frac{1.2}{1}

Ratio = 1.2 ---(1)

Let the required length be represented with L

So:

Ratio = \frac{Width}{Length}

Ratio = \frac{1}{L} ---(2)

Equate (1) and (2)

\frac{1}{L} = 1.2

Multiply through by 1.2

L * \frac{1}{L} = 1.2 * L

1 = 1.2 * L

Divide through by 1.2

L = \frac{1}{1.2}

L = 0.83 in (Approximated)

6 0
3 years ago
The first three terms of a sequence are given. Round to the nearest thousandth (if necessary).
Verdich [7]

Answer:

108,864

Step-by-step explanation:

The difference between each value is x6, so you times the number by 6 to get the next number of the sequence :)

6 0
3 years ago
. Darlene is making punch. She pours 4 quarts 2 cups of apple juice into a bowl. Then she pours 3 quarts 1 cup of grape juice in
pshichka [43]

Answer:

C. 7 quarts 3 cups

Step-by-step explanation:

First you add 4 quarts, with 3 quarts to get 7 quarts. Then, you add 1 cup with 2 cups to get 3 cups.

8 0
3 years ago
Read 2 more answers
Find the formula for df^-1/dx.<br><br> f(x)=(7-x)^3
klio [65]
Here is the equation to solve the problem above:

f(x) = (7-x)^3
y = (7-x)^3

switch y and x
 x = (7 - y)^3
 
third root of x = 7 - y
-y = 3rootx - 7
 
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3 years ago
Find the derivative of f(x)= e^(4x) + e^-(4x)
ololo11 [35]

Answer:

f'(x)=4e^{4x} -4e^{-4x}

Step-by-step explanation:

To find this derivative, we will need to use the chain rule.

As there is a variable in the exponent we can use this formula:

f'(x)=u'e^u

In this case, u=4x and u=-4x

This means that u'=4 and u'=-4 respectively

This gives us f'(x)=4e^{4x} -4e^{-4x}

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