3 years ago

Solve the polynomial (ab ^ 2 +13b-4a) + (3ab ^ 2 + a)

Mathematics

1 answer:

scoundrel [369]3 years ago

8 0

Answer: 4ab2 - 3a + 13b

Step-by-step explanation: (a•(b2))+13b)-4a)+(3ab2+a)

Factoring 4ab2 - 3a + 13b

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The interior angles of a quadrilateral are 2x+15 2x-5 3x+75 3x-25 find x and the smallest interior angle largest interior angle

BartSMP [9]

Answer: $x=30^{\circ}$

Step-by-step explanation:

We know sum of the interior angles of a quadrilateral is $360^{\circ}$

therefore we can write

$(2x+15)+(2x-5)+(3x+75)+(3x-25)=360^{\circ}$

$\Rightarrow 10x+60=360$

$\Rightarrow 10x=300$

$\Rightarrow x=30^{\circ}$

So smallest interior angle is $(2x-5)^{\circ}=(60-5)=55^{\circ}$

Largest interior angle $=3x+75=90+75=165^{\circ}$

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3 years ago

suppose that y varies directly as x . if y is 24 when x is 6, find the constant of variation and the direct variation equation

Reika [66]

Answer:

Step-by-step explanation:

Direct variation can be modeled by y = kx where k is the constant of variation!

So to solve for k all we need to do is substitute in the value for y and x that are given.

So according to the problem y = 24 when x = 6

24 = 6k

Divide both sides by 6

k = 4

So the constant of variation is 4

The direct variation equation would then be

y = 4x

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4 years ago

HELP PLS I GOT 9 MINUTESS

Aloiza [94]

Answer:

Step-by-step explanation:

pretty sure

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3 years ago

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Write 6 × 10 -7 in decimal notation. 0.0000006 0.00006 600,000 6,000,000

Lina20 [59]

I’m pretty sure the answer is B

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3 years ago

Cristobal took 3 hours to wash five cars at this rate how many cars could you watch over a period of 45 hours

Airida [17]

You could wash 75 cars at this rate because 45/3 equals 15. You would multiply 5 by 15 and get 75.

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3 years ago