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choli [55]
2 years ago
8

Evaluate a^7 - 4b for a =3 and b= -1

Mathematics
2 answers:
Nataly_w [17]2 years ago
8 0
A^7 - 4b when a = 3 and b = -1
= (3)^7 - (4)(-1)
= 3 * 3 * 3 - (-4)
= 27 - (-4)
= 27 + 4
= 32
Papessa [141]2 years ago
3 0

Answer:

2187+4

= 2191

Step-by-step explanation:

plz brainliest :)

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eimsori [14]
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4 0
3 years ago
What is lim x-&gt;-1 sin(pie/6))<br><br><br><br>this is a timed
dlinn [17]

sin(π/6) is independent of x, so

\displaystyle \lim_{x\to-1} \sin\left(\frac\pi6\right) = \sin\left(\frac\pi6\right) = \boxed{\frac12}

8 0
1 year ago
PLEASE HELP!!!!!!!!!!!!!!!!
Anton [14]

Answer:

<h2>1. subtract 3x, subtract 4, divide by -4</h2><h2 /><h2>2. add x</h2>

Step-by-step explanation:

1 + 3x = -x + 4.

subtract 3x

1 = -4x + 4

subtract 4

-3 = -4x

divide by -4

(-3)/(-4) = (4x)/(-4)  ⇌ x = 3/4

-x + 6 = 5 - 3x

subtract 5

-x + 1 = - 3x

add x

1 = -2x

4 0
3 years ago
You want to put a 5 inch thick layer of topsoil for a new 23 ft by 18 ft garden. the dirt store sells by the cubic yards. how ma
lianna [129]

5 inches = 5/12 = 0.4166 feet

23 x 18 x 0.4166 = 172.5 cubic feet

1 cubic foot = 0.037037 cubic yards

172.5 x 0.037037 = 6.39 round up to 6.5 cubic yards

5 0
3 years ago
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Vlad [161]

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3 years ago
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