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2 years ago

Plz help me I am stuck plz help me

Mathematics

1 answer:

user100 [1]2 years ago

4 0

Answer:

4^-5 , 1/4^-5 (4^-1)^5

Step-by-step explanation:

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WILL MARK YOU BRAINLIEST

anzhelika [568]

Answer:The area is 14306. 625 cm.

Step-by-step explanation:

To find the area of the circle, we will need to find the diameter and find the radius.

So we know the circumference is 423.9 m and we know to get the circumference, you will need to multiply pie by the diameter .

so now we need divide the circumference by pie to find the diameter.

423.9/ 3.14 = 135 so 135 is the diameter.

To find the radius we need to divide the diameter by 2.

135/2 = 67.5

Now is time to find the area which uses the formula A= nr^2

A = 3.14 * 67.5^2

A = 14306. 625

5 0

2 years ago

Three hours ago, the temperature was - 2°F. Now the temperature is 6°F. What was the change in temperature for the past 3 hours?

suter [353]

Answer:4 degrees Fahrenheit

Step-by-step explanation:

5 0

2 years ago

Consider f(x)=3ax−x2. write down a formula in terms of a for the maximum of f(x).

lidiya [134]

For this case we have the following function:
$f (x) = 3ax-x ^ 2
$
To find the maximum of the function, what we should do is to derive the equation.
We have then:
$f '(x) = 3a-2x
$
We match zero:
$3a-2x = 0
$
We clear the value of x:
$2x = 3a

x = (2/3) a$
We substitute the value of x in the function to find the maximum:
$f ((2/3) a) = 3a ((2/3) a) - ((2/3) a) ^ 2
$
Rewriting:
$f ((2/3) a) = 2a ^ 2 - (4/9) a ^ 2

f ((2/3) a) = (18/9) a ^ 2 - (4/9) a ^ 2

f ((2/3) a) = (14/9) a ^ 2$
Answer:
a formula in terms of a for the maximum of f (x) is:
$f ((2/3) a) = (14/9) a ^ 2$

7 0

3 years ago

The word problem below has too much information. Which facts are not

tester [92]

Answer:20%

Step-by-step explanation:

5 0

2 years ago

The staff at a theater snack counter has found that 32 oz. of popcorn kernels makes enough to fill 20 small bags.How many small

jarptica [38.1K]

18 oz is equivalent to 1.125 pounds. If this is so, 1.125 pounds = 20 small bags. We need to figure out how much would fit 18 pounds.
18 / 1.125 = 16
16 times 20 = 320 bags
They could fill 18 pounds with 320 bags.

5 0

2 years ago