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Anarel [89]
3 years ago
12

Least common denominator of 3/10 and 7/8

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
7 0
The least common denominator is 40. 
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The diameter of a human red blood cell is 0.000009 m The diameter of a cold virus is 0.00000003 m. Approximately how many times
Lera25 [3.4K]

Answer:

Red Cell is 300 times larger than the virus

Step-by-step explanation:

Size in scientific Notation

  • Red Cell = 9 * 10^-6
  • Virus = 9 * 10^-8

Procedure.

  • Count the number of zeros in the decimal
  • Red Cell = 5 ; virus = 7
  • And one more to each
  • Red Cell = 6; virus = 7
  • change the numbers to minus
  • Red Cell = -6 ; virus = - 7
  • The last row is the powers as shown above.

Answer

9*10^-6/3 * 10^-8

3*10^(-6 - - 8)

3*10^(-  6 + 8)

3^10^2 or 300 times larger

4 0
3 years ago
Read 2 more answers
There were three went on a hike. One was 2 3/4, MI long, and the other 1 1/2 and the last one 3 3/8. In decimals what was the to
lana66690 [7]
7 5/8 miles or in decimal form 7.625 miles

3 0
3 years ago
On Saturday, Nicole earns no more than $55 at her job. On Sunday, she earns at least $40. Which of these inequalities represent
makkiz [27]

Answer:

B

Step-by-step explanation:

use your head

7 0
3 years ago
Read 2 more answers
3. What is the radius of a circle whose area is 64π cm squared?
nataly862011 [7]

Answer:

Area = 64π

Area \: = \pi {r}^{2}Area=πr

2

64 \: \pi \: = \pi {r}^{2}64π=πr

2

{r}^{2} = \dfrac{64\pi}{\pi}r

2

=

π

64π

{r}^{2} = 64r

2

=64

r \: = \: \sqrt{64} = 8r=

64

=8

Radius = 8 units

Finding the Diameter -

Diameter = Radius x 2 = 8 x 2 = 16 .

\bold{Diameter \: is \: 16 \: units}Diameteris16units

8 0
3 years ago
What is x+2y=6 in point slop form
olasank [31]
Y=x+3 (I did this in my head so I'm not sure)
5 0
3 years ago
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