Can someone please help me with this ASAP ill love you forever

Answers

Answer 1

Answer:

Step-by-step explanation:

I can help :D

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PLS HELP FIRST CORRECT ANSWER GETS BRAINLIEST !! A pile of tailings from a gold dredge is in the shape of a cone. The diameter of the base is 34 feet and the height is 16 feet. Approximately, how many cubic feet of gravel is in the pile? Use π = 3.14.A. 14,527 ft³
B. 285 ft³
C. 4,840 ft³
D. 6,032 ft³

Answers

The volume of the cone is 4840 cubic ft if the diameter of the base is 34 feet and the height is 16 feet option (C) is correct.

What is a cone?

It is defined as a three-dimensional shape in which the base is a circular shape and the diameter of the circle decreases as we move from the circular base to the vertex.

$\rm V=\pi r^2(h)/(3)$

Volume can be defined as a three-dimensional space enclosed by an object or thing.

It is given that:

A pile of tailings from a gold dredge is in the shape of a cone.

The diameter of the base is 34 feet and the height is 16 feet.

As we know,

The volume of the cone is given by:

$\rm V=\pi r^2(h)/(3)$

r = 34/2 = 17 ft

h = 16 feet

Plug the above values in the formula:

$\rm V=\pi (17)^2(16)/(3)$

After solving:

V = 1541.33π cubic feet

Take π = 3.14

V = 1541.33(3.14) cubic feet

V = 4839.78 ≈ 4840 cubic ft

Thus, the volume of the cone is 4840 cubic ft if the diameter of the base is 34 feet and the height is 16 feet option (C) is correct.

Learn more about the cone here:

brainly.com/question/16394302

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Answer:

C: $V=4840 (2 s.f.)$

Step-by-step explanation:

The formula for the volume of a cone is:

$V= (1)/(3) \pi r^2h$

Therefore,

$V=(1)/(3)* 3.14*((34)/(2))^2* 16\n\nV=4840 (2 s.f.)$

When solving for an unknown variable that has a number preceding it, you will divide both sides of the equation by this number, which is known as the ______________.

Answers

Answer: Coefficient

Step-by-step explanation:

When solving for an unknown variable that has a number preceding it, you will divide both sides of the equation by this number, which is known as the coefficient.

A coefficient is a number preceding any variable in a function for example, given the function 4x, the variable is 'x' and the number preceding it is 4. This number preceding the variable is what we call 'coefficient' of the variable 'x'

Ellen purchased a dishwasher, which cost $315 before the 9.22% sales tax. She used the machine an average of 10 times per week for the next six years, at which point she replaced it. Each time she ran the dishwasher it cost her $0.09 for water and $0.13 for electricity. What was the lifetime cost of Ellen's dishwasher?

Answers

Given:
Cost of dishwasher : 315 before sales tax
sales tax : 9.22%

Total cost = 315 * 1.0922 = 344.043

Average of 10 uses per week for the next 6 years before replacing it.
There are 52 weeks in a year.

10 uses per week * 52 weeks per year * 6 years = 3120 average uses

cost for water = 0.09 ; cost for electricity = 0.13 ; total cost per use = 0.22

0.22 * 3120 = 686.40 cost of use

purchase cost = 344.043
cost of use = 686.40
lifetime cost 1,030.443

the correct answer is A. $1030.44

Complete the following item based on the given information.The volume of a box(V) varies directly with its length(l). If one of the boxes has a volume of 325 cubic inches and a length of 13 inches, what is the constant of proportionality for the group of boxes?
k = ________

Answers

Answer:

The constant of proportionality for the group of boxes is 25.

Step-by-step explanation:

Given : The volume of a box(V) varies directly with its length(l). If one of the boxes has a volume of 325 cubic inches and a length of 13 inches.

To find : What is the constant of proportionality for the group of boxes?

Solution :

The volume of a box(V) varies directly with its length(l).

Using k for the constant of proportionality.

We can express the relationship between V and l

If V varies directly with l.

V = kl

According to question,

If one of the boxes has a volume of 325 cubic inches and a length of 13 inches, then

$325=13k\n\n\Rightarrow\ k=(325)/(13)\n\n\Rightarrow\ k=25$

Therefore, The constant of proportionality for the group of boxes is 25.

k = 325/13
..............................................

A calculator is allowed on this question.For what value of the coefficient, C, will the equation have no solution?
HELP PLS HOW DO I DO THIS STEP BY STEP!!

Answers

Answer:

C. 2/3

Step-by-step explanation:

You want the value of C that makes the equation have no solution.

(3/4)(5 +(C/2)x) +2 = (x +7)/4

Simplify

A calculator is not needed to simplify the equation. We can start by multiplying both sides by 4.

3(5 +(C/2)x) +8 = x +7

15 +(3C/2)x +8 = x +7

(3C/2)x +23 = x +7

No solution

This will have no solution if the coefficient of x is the same on both sides of the equal sign.

3C/2 = 1

Multiplying by 2/3 gives ...

C = 2/3

The value 2/3 for C will make the equation have no solution, choice C.

Additional comment

When C=2/3, the equation becomes one that reduces to ...

(x +23)/4 = (x +7)/4 . . . . . no value of x will make this true.

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Answer:

2/3

Step-by-step explanation:

3/4 * (5+ 2/3/2*x)+2 = x+7/4

Simplify

3/4(5+ 1/3x)+2 = x+7/4

15/4 + 1/4x +2 = x+7/4

23/4 + 1/4x = x+7/4

Cancel terms (multiply by 4 to get rid of 4)

23 + x = x + 7

23 = 7

false :)

What is the volume of a cube shaped box with 6cm. In length?

Answers

volume= lxwxh
v= 6cm x 6cm x 6cm (all are 6 because it is a cube, so all sides are equal)
v= 216 cm³

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