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mojhsa [17]
3 years ago
9

Necesito la respuesta, entre a b c o d

Mathematics
1 answer:
viva [34]3 years ago
8 0

Answer:

a)a^4 + 19a^2 -12ab - 3b^4 +6b...

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Solve this inequality:<br> -12a +7&lt;31
vagabundo [1.1K]

Answer:

a > -2

Step-by-step explanation:

-12a +7<31

Subtract 7 from each side

-12a +7-7<31-7

-12a <24

Divide by -12, remembering to flip the inequality

-12a/-12 >24/-12

a > -2

7 0
2 years ago
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Find the area please don’t lie to me
astra-53 [7]

Answer:

<h2>108 yd²</h2>

Step-by-step explanation:

The formula of an area of a trapezoid:

A=\dfrac{b_1+b_2}{2}\cdot h

<em>b₁, b₂</em><em> - bases</em>

<em>h</em><em> - height</em>

From the picture we have

b_1=19yd,\ b_2=5yd,\ h=9yd

Substitute:

A=\dfrac{19+5}{2}\cdot9=\dfrac{24}{2}\cdot9=12\cdot9=108\ yd^2

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3 years ago
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Travka [436]
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8 0
2 years ago
Hi this assignment is due by this week I need someone to help me do this
Nataly_w [17]

Answer:

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Step-by-step explanation:

3 0
2 years ago
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We will have the following:

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