2 years ago

Which equation shows the quadratic formula used correctly to solve 5x^2+3-4=0 for x

Mathematics

1 answer:

Neko [114]2 years ago

3 0

Answer:

the first one is correct

Step-by-step explanation:

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The formula is: <img src="https://tex.z-dn.net/?f=v%20%3D%20%20%5Cfrac%7B4%7D%7B3%7D%5Cpi%20%7Br%7D%5E%7B3%7D%20" id="TexFor

uranmaximum [27]

Answer:

Volume of hemisphere=

$\frac{2}{3} \pi {r}^{3}$

Volume of sphere=

$\frac{4}{3} \pi {r}^{3}$

Step-by-step explanation:

$\frac{2}{3} \times \frac{22}{7} \times {8}^{3}$

Using calculator=

1072.761905

Round to the nearest tenth=

1072.8

5 0

2 years ago

In a video racing game, an obstacle randomly appears on the race track 3 times every 20 laps. Estimate the number of times the o

Black_prince [1.1K]

Answer:

Step-by-step explanation:

100 laps

100 divided by 20 Is 5

3 x 5 is 15

please brainliest me

6 0

3 years ago

Debra walked her dog to the south. They walked 50 meters in 150 seconds.

abruzzese [7]

Answer:

Step-by-step explanation:

Because... 150 divided by 50 = 3

4 0

2 years ago

Find the domain of the function expressed by the formula:

Simora [160]

Answer:

a. Domain - x= all real numbers

b. Domain - x= all real numbers except 0

c. Domain - x= all real numbers

d. Domain - x= All real numbers

Step-by-step explanation:

The domain of a function is all the possible x values. It is easy to solve for domain by graphing the function.

a graph - blue

b graph - red

c graph - green

d graph - purple

7 0

2 years ago

Based on signal strength, a person knows their lost phone is exactly 47 feet from the nearest cell tower. The person is currentl

svlad2 [7]

Answer:

The phone could be either 24 feet away from them or 70 feet away from them because the person that lost the phone could be on the other side of the cell phone tower

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers