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mrs_skeptik [129]
3 years ago
12

There are 39 students in Ms. Salazar's chemistry class. If Ms. Salazar divides the class into 9 lab

Mathematics
1 answer:
belka [17]3 years ago
5 0

Answer:

Number of lab group with 5 students = 3

Thank you

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Please Help its past due!
salantis [7]

Draw or Cut two  similar squares with sides b+c units long.


Draw or cut four  pairs of similar right triangles with side lengths as indicated in the diagram.

Now arrange the similar triangles at the corners of the squares such that the sides b of one similar triangle plus the side c  of a second similar triangle coincides with the length of the square.


We do another arrangement of the similar triangles. This time arrange another 4 similar triangles in the opposite corners, such that each pair forms a square.

Now comparing the two different arrangements we got two different areas that are equal.

The area of the uncovered squares in the first arrangement is a^2

The area of the two uncovered squares in the second arrangement is b^2+c^2

Equating the two areas gives the Pythagoras Theorem

a^2=b^2+c^2

Note that  a is the hypotenuse, b and c are two shorter sides of the similar right triangles.




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3 years ago
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Use the distributive or FOIL method to find the product.<br> (5i + 8)(4i + 6)
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3 years ago
The width of a rectangle is 7 meters greater than its length. If the area of the rectangle is 170 square meters, write the quadr
mamaluj [8]
In this case you divide 170 by 7 which = 24.29 so 24.29 is your answer, good luck.
5 0
3 years ago
What is 57/6 simplified?
ludmilkaskok [199]
Answer:
19/2
Step-by-step explanation :
U divide the numerator and the denominator by the same number which is 3
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3 years ago
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Tim Worker expects Social Security benefits of $937 per month. His wife, Mary, is eligible for a wife's benefit of 50 percent of
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Answer:

The answer is B: 468.50

Step-by-step explanation:


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