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Alex_Xolod [135]
3 years ago
8

−2(5d−9f)+7f−10(−9f−7d)

Mathematics
1 answer:
nevsk [136]3 years ago
5 0

Answer:

38

Step-by-step explanation:

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Given that f(x) = 2x2 − 96, find x.
NISA [10]
F(x)=2x(2)−96

Step 1: Add -4x to both sides.

xf+ −4x = 4x−96+ −4x

xf −4x= −96

Step 2: Factor out variable x.

x(f−4)= −96

Step 3: Divide both sides by f-4.

x(f−4)/ f−4 = −96/ f−4

x= −96/f−4

Answer:

x= −96/ f−4

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3 years ago
A sample of bacteria is growing at a rate of 8% per hour compound continuously. How many hours will it take for the sample to do
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Answer:

The sample would double in 9 hours

Step-by-step explanation

The number of hours it will take for the sample to double can be found using the 72 rule.

The 72 rule is such that a growth rate would double itself by it is used in dividing the number 72 as shown below:

number of hours =72/8=9 hours

The number of hours it would take the sample to double is 9 hours as computed above.

6 0
3 years ago
When calculating the area of a circle for diameter and radius is our answer going to be(example) 21 cm square???
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Step-by-step explanation:

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Step-by-step explanation:

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