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3 years ago

8

If homework is 10% of your report card average, what would your report card grade be if your homework grade was 80 and the rest

of your grades averaged out to 90?

2 answers:

vampirchik [111]3 years ago

7 0

Answer:

80

Step-by-step explanation:

because he don't do their homework with properly then he got less mark

zavuch27 [327]3 years ago

5 0

Answer:

89

Step-by-step explanation:

maths :LLLLLLLLLLLLLLL

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3 years ago

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4 years ago

Read 2 more answers

Find the volume of the shaded figure by subtracting the smaller volume from the larger

alekssr [168]

Answer:

a. $9a^3 - 9ab^2$

b. $9a(a^2 - b^2)$

Step-by-step explanation:

a.

$Volume = l*w*h$

$Volume_{smaller} = l*w*h$

Where, $l = 9a, w = b, h = b$

$Volume_{smaller} = 9a*b*b = 9ab^2$

$Volume_{larger} = l*w*h$

Where, $l = 9a, w = a, h = a$

$Volume_{smaller} = 9a*a*a = 9a^3$

Volume of the shaded figure = $9a^3 - 9ab^2$

b. $9a^3 - 9ab^2$ expressed in factored form:

Look for the term that is common to 9a³ and 9ab², then take outside the parenthesis.

$9a^3 - 9ab^2 = 9a(a^2 - b^2)$

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4 years ago