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3 years ago

Ill give all my points to someone who can solve this probability problem correctly and clearly to understand.

Mathematics

1 answer:

Mashutka [201]3 years ago

3 0

Answer:

+5.20 µC

Explanation:

Given that

Charge =−5.20 µC and radius= 5.40 cm.

Insert a +10.4- µC charge at the center of the sphere

As we know that according to Gauss's theorem electric field inside the metal is zero.

When +10.4 µC charge insert but the total charge on the sphere should be −5.20 µC.So the charge on the outer surface of the sphere will be +5.20 µC.

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Help pls!! I appreciate it

beks73 [17]

Answer:

4/3v + 4 = 8

Step-by-step explanation:

The second option is the correct one because you will combine the like terms first.

Hope this helps, thank you !!

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3 years ago

Solve the equation. 0=1/4x + 4

Stells [14]

First you subtract 4 to get it to the other side. Now the equation is -4=1/4x. Next, multiply both sides by 4 to isolate the x. Now you have -16=x.

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3 years ago

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lisa goes to school for 7 hours per day works 3 hours per day and sleeps 8 hours per day. what is the ratio of hours lisa works

frozen [14]

Answer:

ratio of hours lisa works to hours lisa sleeps= 3:8

Step-by-step explanation:

lisa goes to school for 7 hours per day lisa works 3 hours per day

Lisa sleeps 8 hours per day.

For the ratio of hours lisa works to hours lisa sleeps

ratio of hours lisa works to hours lisa sleeps= hours Lisa works/hours Lisa sleeps

ratio of hours lisa works to hours lisa sleeps= 3/8

ratio of hours lisa works to hours lisa sleeps= 3:8

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3 years ago

Using factoring, which values are the solutions to the quadratic equation 2m2+7m−30=0?

Luden [163]

Answer:

B: m = -6 or m = 5/2

Explanation:

$\rightarrow \sf 2m^2 +7m - 30 = 0$

breakdown

$\rightarrow \sf 2m^2 +12m -5m- 30 = 0$

take out common factor

$\rightarrow \sf 2m(m +6) -5(m+ 6) = 0$

collect into groups

$\rightarrow \sf (2m -5)(m+ 6) = 0$

set to zero

$\rightarrow \sf 2m -5=0, \ m+ 6 = 0$

change sides

$\rightarrow \sf m=2.5, \ m= -6$

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2 years ago

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Barbara sells iced tea for $1.49 per bottle and water for $1.25 per bottle. She wrote an equation to find the number of bottles

g100num [7]

B. Barbara's equation did not consider the number of bottles of iced tea. She only put 1.49, which would mean she only sold one. Because we know she sells more then one, it should be 1.49(then a variable)

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3 years ago

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