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Tema [17]
3 years ago
13

Pls help due right now!

Mathematics
2 answers:
jeka57 [31]3 years ago
7 0
C is the correct answer
Readme [11.4K]3 years ago
7 0
It’s c for sure it’s obvious
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You need 150 g of flour for 12 cakes, how much flour do you need for 30 cakes?
Rudiy27
375 g. You have to set up a proportion and cross multiply.
4 0
3 years ago
Read 2 more answers
A closed-top cylindrical container is to have a volume of 250 in2. 250 , in squared , . What dimensions (radius and height) will
miv72 [106K]

Answer:

radius r = 3.414 in

height h = 6.8275 in

Step-by-step explanation:

From the information given:

The volume V of a closed cylindrical container with its surface area can be expressed as follows:

V = \pi r^2 h

S = 2 \pi rh + 2 \pi r^2

Given that Volume V = 250 in²

Then;

\pi r^2h = 250  \\ \\ h = \dfrac{250}{\pi r^2}

We also know that the cylinder contains top and bottom circle and the area is equal to πr²,

Hence, if we incorporate these areas in the total area of the cylinder.

Then;

S = 2\pi r h + 2 \pi r ^2

S = 2\pi r (\dfrac{250}{\pi r^2}) + 2 \pi r ^2

S = \dfrac{500}{r} + 2 \pi r ^2

To find the minimum by determining the radius at which the surface by using the first-order derivative.

S' = 0

- \dfrac{500}{r^2} + 4 \pi r = 0

r^3 = \dfrac{500 }{4 \pi}

r^3 = 39.789

r =\sqrt[3]{39.789}

r = 3.414 in

Using the second-order derivative of S to determine the area is maximum or minimum at the radius, we have:

S'' = - \dfrac{500(-2)}{r^3}+ 4 \pi

S'' =  \dfrac{1000}{r^3}+ 4 \pi

Thus, the minimum surface area will be used because the second-derivative shows that the area function is higher than zero.

Thus, from h = \dfrac{250}{\pi r^2}

h = \dfrac{250}{\pi (3.414) ^2}

h = 6.8275 in

7 0
3 years ago
Which of the following rational functions is graphed below?
lidiya [134]

Vertical asymptote:

A vertical asymptote is a value of x for which the function is not defined, that is, it is a point which is outside the domain of a function;

In a graphic, these vertical asymptotes are given by dashed vertical lines.

An example is a value of x for which the denominator of the function is 0.

In this graphic:

Dashed vertical lines at: x = -3, x = 7, thus, for x - (-3) = x+3 and x - 7 the denominator is zero.

Thus, the function graphed is:

F(x) = \frac{1}{(x+3)(x-7)}

And the correct answer is given by option C.

To take a look at a problem with asymptote, you can check this item brainly.com/question/4084552.

6 0
3 years ago
What is an expression that is equivalent to 6x2 −19x−7?
Marrrta [24]

Answer:

12+133

Step-by-step explanation:

Separate this expression into two parts, (6x2) + (-19x-7)

Solve what is in the parenthesis (12) + (133)= 12+133

The simplified expression would also be 145

5 0
3 years ago
Simplify the expression. (16 − 9)^11 divided by [(3 + 4)^2]4
densk [106]
Do 16-9 which equals 7, then (7)^11=77   1.=77
 
this one add 3+4 which equals 7 then do 7^2= 49 then 4x49=196   2.=196
8 0
3 years ago
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