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2 years ago

A plumber charges a $5 fee plus $12 per hour for labor. Which equation models the total cost

Mathematics

1 answer:

olchik [2.2K]2 years ago

7 0

Answer: y = 12x + 5

Step-by-step explanation:

Since the going rate is $12/hr, that will be the x coefficient. Since the starting fee is $5, that will be the y-intercept.

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A cylindrical tube 9.5 cm high and 0.85 cm in diameter is used to collect blood samples. How many cubic decimeters (dmଷ ) of blo

Brums [2.3K]

Answer: 0.539 cubic decimeters of blood can be hold by the cylinder.

Step-by-step explanation:

Volume of cylinder= volume of blood it can hold = $\pir^2h$

Given :

Height of cylinder (h) = 9.5 cm

Diameter of cylinder (d) = 0.85 cm

Thus radius of cylinder (r) = $\frac{\text {Diameter of cylinder}}{2}=\frac{0.85cm}{2}=0.425cm$

Putting the values we get:

Volume of cylinder= volume of blood it can hold = $3.14\times (0.425cm)^2\times 9.5cm=5.39cm^3=0.539dm^3$ [tex] (1cm=0.1dm)

Thus 0.539 cubic decimeters of blood can be hold by the cylinder.

4 0

2 years ago

Can someone help please

o-na [289]

I belive its C, not sure tho

3 0

2 years ago

Consider this three-digit sequence: 943. Is the first digit the largest or the second digit the smallest, AND, is the third digi

Doss [256]

The first digit is the largest, the second is NOT the smallest
The third digit is NOT even and the first digit is odd.

6 0

3 years ago

Read 2 more answers

11/10= x+2/5 Please Explain

luda_lava [24]

Answer:

x=7/10

Step-by-step explanation:

2/5=4/10

11/10=x+4/10

11/10-4/10=x

7/10=x

4 0

2 years ago

Read 2 more answers

Plz help! (will make brainliest!)

S_A_V [24]

Answer:

Step-by-step explanation:

Most definitely B because all the x's and y's multiply each other to 1

4 0

2 years ago