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2 years ago

Determine the cost for one candle?

Mathematics

1 answer:

QveST [7]2 years ago

7 0

Answer:

Step-by-step explanation:

2c + h =16 <- 1

4c + 3h = 34 <-2

1 to 2

3[2c+h = 16]3

=6c +3h = 48 <-3

3 to 2

6c +3h = 48

- 4c + 3h = 34

-----------------------------

2c = 14

c= 7

substitue C=7 to equation 1

2(7) + h =16

14 + h = 16

h = 2

Therefore 7 and 2 is the answer

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Bernite is selling candy bars for a school fundraiser. The school paid $20.00 for a box of 15 king-size candy bars and Bernite s

irina1246 [14]

Answer:

Step-by-step explanation:

candy sold vs money earned

money earned = 2 dollars * number of bars sold- cost of bars

money earned = 2 b -20

this is an equation of a line

(y= 2x-20)

A.The relationship is linear true

B.The relationship is nonlinear false

C.The relationship is always results in a negative profit false

it crosses the x axis at 10 candy bars

D.The relationship always result in a positive profit false

it crosses the x axis at 10 candy bars

E.The relationship is proportional false

F.The relationship is non-proportional true it is a line that does not cross the origin

1jaiz4 and 21 more users found this answer helpfulcandy sold vs money earned

money earned = 2 dollars * number of bars sold- cost of bars

money earned = 2 b -20

this is an equation of a line

(y= 2x-20)

A.The relationship is linear true

B.The relationship is nonlinear false

C.The relationship is always results in a negative profit false

it crosses the x axis at 10 candy bars

D.The relationship always result in a positive profit false

it crosses the x axis at 10 candy bars

E.The relationship is proportional false

F.The relationship is non-proportional true it is a line that does not cross the origin

3 0

2 years ago

PLS HELP !!!!!!! Find the value of x. x=

Gre4nikov [31]

The answer to that question is 1

3 0

3 years ago

Find the area of the rug. DO NOT ROUND. what is the area?

Mademuasel [1]

Answer:

$\frac{198}{7} \ \text{feet}^{2}$

<h3>Step-by-step explanation:</h3>

Given:

Diameter of rug = 6 feet

To find the area of the rug, we need to use the formula "πr² or π(D/2)²"

Where:

r = radius
d = diameter

Since we do not have the radius, we need to substitute the diameter in the formula "π(D/2)²" to determine the area of the rug.

⇒ $\pi (\frac{D}{2} )^{2}$

⇒ $\pi (\frac{6}{2} )^{2}$

⇒ $\pi (3 )^{2}$

⇒ $\pi (3 )(3)$

⇒ $9\pi$

Substituting "22/7" as π:

⇒ $9(\frac{22}{7} )$

⇒ $(\frac{198}{7} )$

When finding the area of ANY shape, do not forget to include the units.

⇒ $\frac{198}{7} \ \text{feet}^{2}$

4 0

2 years ago

Read 2 more answers

Find the point on the graph of the given function at which the slope of the tangent line is the given slope.

mezya [45]

Answer:

A ( -2 , 9 )

Step-by-step explanation:

Idea: You find the first derivative of f(x), and then set it equal to the desired slope. You'll find some x. That we will use to find the point.

f'(x) = 3x^2 + 12x + 20

f'(x) = 8

3x^2 + 12x + 20 = 8

3x^2 + 12x + 12 = 0

3 ( x^2 + 4x + 4 ) = 0

3 ( x + 2 )^2 = 0

x + 2 = 0

x = -2

So, the desired point is:

A ( -2, f(-2) ) --> A ( -2 , 9 )

3 0

3 years ago

A racetrack has the length of 2000 ft from east to west, and the length of 1054 ft from north to south, write an equation to rep

levacccp [35]

Answer:

ehdd

Step-by-step explanation:

porire

7 0

3 years ago