3 years ago

Please answer all of these

Mathematics

2 answers:

FromTheMoon [43]3 years ago

7 0

What’s the questions

Firlakuza [10]3 years ago

4 0

What’s your question?

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Use the identity x^3+y^3+z^3−3xyz=(x+y+z)(x^2+y^2+z^2−xy−yz−zx) to determine the value of the sum of three integers given:

RoseWind [281]

Inserting all the given information into the identity, we have

$684-3(210)=(x+y+z)(110-107)\implies x+y+z=18$

4 0

3 years ago

B + 12 = 16; 2, 3, 4

Molodets [167]

Answer:

Step-by-step explanation:

b+12 =16

-12. -12

b = 4

hope this helps

5 0

3 years ago

-7 2/3 + (-5 1/2 ) + 8 3/4

Tanzania [10]

Answer:131/12

Step-by-step explanation:

-7 2/3 -5 1/2 +8 3/4 = 23/3 - 11/2 + 35/4 = 92/12 -66/12 +105/12 = 131/12

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3 years ago

PLS HELP ME FAST FREE 16 POINTS Rectangle PQRS is graphed on a coordinate plane with vertices P(–2, 1), Q(–2, 4), R(–4, 4), and

e-lub [12.9K]

Answer:

Pretty sure it's B!

Step-by-step explanation:

Over the Y axis- (2,1)

To the left two times= (0,1)

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3 years ago

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Interior angle of a regular hexagon

zmey [24]

Answer:

120 degrees the sum of all angle is 720 degrees In the above

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3 years ago

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