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2 years ago

At the market, 5 light bulbs cost $9.85 How much do 7 light bulbs cost?

Mathematics

2 answers:

dangina [55]2 years ago

7 0

Its $13.79..... hopefully it helps

Oduvanchick [21]2 years ago

5 0

Seven light bulbs will cost $13.79.

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PLEASE HELP WILL MARK BRAINLIEST

ANTONII [103]

Answer:

8 lb of flounder at $2.50/lb

4 lb of shrimp at $5.00/lb

Step-by-step explanation:

Let A be the pounds of shrimp

Let B be the pounds of flounder

Let C be the cost per pound of flounder

A + B = 12

A = 12 - B

BC = 20

A(2C) = 20

BC = A(2C)

BC = (12 - B)(2C)

BC = 24C - 2BC

3BC = 24C

3B = 24

B = 8 lb

A + 8 = 12

A = 4 lb

5 0

2 years ago

NEED HELP ASAP! Subtract. (4x^2+8x−2)−(2x^2−4x+3) Answer in standard form

AlekseyPX

$(4x^2+8x-2)-(2x^2-4x+3)\\\\=4x^2+8x-2-2x^2+4x-3\\\\=(4x^2-2x^2)+(8x+4x)+(-2-3)\\\\=\boxed{2x^2+12x-5}$

4 0

3 years ago

Please help me ASAP

stellarik [79]

Answer:

The Graph is shown below

Step-by-step explanation:

The Graph of a Function

Given the function:

$\displaystyle y=g(x)=-\frac{3}{2}(x-2)^2$

It's required to plot the graph of g(x). Let's give x some values:

x={-2,0,2,4,6}

And calculate the values of y:

$\displaystyle y=g(-2)=-\frac{3}{2}(-2-2)^2=-\frac{3}{2}(-4)^2==-\frac{3}{2}*16=-24$

Point (-2,-24)

$\displaystyle y=g(0)=-\frac{3}{2}(0-2)^2=-\frac{3}{2}(-2)^2=-\frac{3}{2}*4=-6$

Point (0,-6)

$\displaystyle y=g(2)=-\frac{3}{2}(2-2)^2=-\frac{3}{2}(0)^2=0$

Point (2,0)

$\displaystyle y=g(4)=-\frac{3}{2}(4-2)^2=-\frac{3}{2}(2)^2=-\frac{3}{2}*4=-6$

Point (4,-6)

$\displaystyle y=g(6)=-\frac{3}{2}(6-2)^2=-\frac{3}{2}(4)^2=-\frac{3}{2}*16=-24$

Point (6,-24)

The graph is shown in the image below

8 0

2 years ago

The graph shows the amount of money Joe earns each hour he works. Which statement about the graph is not true?

saul85 [17]

Answer: G

Step-by-step explanation: the rate of change is constant, making it a proportional relationship

4 0

2 years ago

Read 2 more answers

Triangle ABC has side a= 12, b=16, and c=c find the measure of angle a to the nearest whole number

Aleks04 [339]

C would equal 20. because 12 times its self plus 16 times its self equals 400. then I square 400 and got 20, which equals c

5 0

3 years ago