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sertanlavr [38]
2 years ago
9

B1 of a trapezoid in which Area = (48x+68) inch squared, Height = 8 in, B2 = (9x + 12) in.

Mathematics
1 answer:
abruzzese [7]2 years ago
3 0

A=(1/2)(b1+b2)h =

=(48x+68)in² = (1/2)( b1+(9x+12))8

=b1= 3x+5

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Please help ASAP!!!! 20 PTS
coldgirl [10]

The angle of fire in the standard position will be B. 120°; 2 pi over 3 radians.

<h3>How to calculate the angle?</h3>

It should be noted that the image shows the shooting angles arrangements. Also, π = 180°.

In this case, the value of the angle will be:

= 12π/18

= (12 × 180) / 18

= 12 × 10

= 120°

Therefore. the angle of fire in the standard position will be B. 120°; 2 pi over 3 radians.

Learn more about angles on:

brainly.com/question/25770607

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2 years ago
If m ∠4 = m ∠5, then r||s. Summarize the postulate or theorem that makes this a true statement.
coldgirl [10]

The statement, m∠4 = m∠5, then then r||s is true based on the converse of corresponding angles theorem.

<h3>What is the Converse of Corresponding Angles Theorem?</h3>

Based on the converse of corresponding angles theorem, if two corresponding angles, angles 4 and 5 are congruent or equal to each other, then the lines on which they lie on, lines r and s are congruent.

Therefore, based on the converse of corresponding angles theorem, m∠4 = m∠5, then then r||s.

Learn more about the converse of corresponding angles theorem on:

brainly.com/question/7066290

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7 0
3 years ago
What is the equation of this line?
astraxan [27]
Y=3/4x-3 because none of the others make sense
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Slav-nsk [51]

Answer:

Step-by-step explanation:

first, let us mark the two equations as i and ii

2x+ 3y = 7

or, 2x = 7-3y

or, x = (7-3y) ÷ 2.........................(i)

and let 4x-5y= 25............(ii)

Now, put the the value of x from (i) into (ii)

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y = -1

Now, put y = -1 back in (i)

x = (7-3y)/2

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x = 5

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How do you simplify -15p2+6p+4+5p2+8
PilotLPTM [1.2K]
<span> -2 • (5p2 - 3p - 6)</span>
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3 years ago
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