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kogti [31]
3 years ago
15

Whoever helps me I will mark brainliest.

Mathematics
1 answer:
True [87]3 years ago
3 0

Answer:

Option no. D is right. Because the congruence presented is more congruent

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Rewrite the function in intercept form y=x^2+8x+15
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Find the sum -3/5+4/9 <br> Answer with supporting work
Zanzabum
Ok so to find the answer to this you have to make both fractions have the same denominator. 

To find the LCD (Least common denominator) follow these steps:

*Think: what number can be divided by both 9 and 5?

The answer is: 45 (shortcut way is to multiply both denominators by each other ie: 9 x 5)

Now make the numerators match:

For -3/5, the denominator (5) is multiplied by 9 to get 45, so the numerator (-3) has to also be multiplied by 9. 

You get: -27/45

For 4/9, the denominator (9) is multiplied by 5 to get 45, so the numerator (4) has to also be multiplied by 5.

You get: 20/45

Now the problem looks like this:

-27/45 + 20/45

**Be sure to remember there is a negative sign!

Now we just add the numerators:

-27 + 20 = -7

(If you have trouble doing that remember that you can just subtract the positive number from the negative ie: 27-20 and then just re-add the negative sign)

Then just re-add the denominator:

-7/45

This cannot be simplified so this is the final answer!
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Answer:

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Step-by-step explanation:

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Answer:C

Step-by-step explanation: Current electricity is caused by flowing negatively charged particles. The negatively charged particles that are responsible for the flow of electricity are called electrons.

The force is equal at all points in the field as the field lines are parallel in a uniform field. So, negatively charged particles will move in the opposite direction to the current.

Hence, the correct answer is "C. It is caused by flowing negatively charged particles."

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3 years ago
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