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klio [65]
2 years ago
12

Find the second term of the binomial expansion (a-1)^3

Mathematics
1 answer:
gtnhenbr [62]2 years ago
6 0

Answer:

(a - 1) ^{3}  \\  {a}^{3}  -  {1}^{3}  \\ a  {}^{3 }  - 1

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Sin cos and tan help
Nikitich [7]
Sin(B) = opp/hyp = 32/40 = 0.8
cos(B) = adj/hyp = 24/40 = 0.6
tan(B) = opp/adj = 32/24 = 1.33 (repeating)
7 0
3 years ago
Jenna wants to build 8 birdhouses. She needs 2 3/5 square feet of plywood for each birdhouse. If the plywood costs $0.56 per squ
goldenfox [79]

Answer:

$11.76

Step-by-step explanation:

We first need to find the amount of plywood for all birdhouses.

2 3/5 * 8 = 104/5 or 20.8 or 20 4/5

Now we can solve the cost for all the birdhouses by multiplying the total amount of plywood needed by the price per square foot.

20.8 * 0.56 = $11.648 or estimated $11.65

Remember, the question might be different, so don't submit anything yet. If the people who sell the plywood only sell in integer numbers (meaning you can't buy 4/5 of a square foot of wood but can only by amounts with no fractions), then Jenna must buy 21 square feet of plywood and will have a little bit of wood left over. Now solve just like before.

21 * 0.56 = $11.76

Therefore the answer is $11.76 if she can only buy an integer amount of plywood or estimated $11.65. I think the best answer is 11.76.

3 0
3 years ago
Help math hurry! 20min left!!! 5 questions!
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3 0
3 years ago
Order the group of quadratic functions from widest to narrowest graph <br> y=3^2, y=5^2, y=7^2
Sedbober [7]
Y = 7^2
y = 5^2
y = 3^2

if wide is the greatest and narrow means smallest then i hope its right

Ur Welcome and if its wrong plz let me know and i will fix it,
xXharleyquinn04Xx
7 0
3 years ago
Give pedro jogs every 4 days and Logan jogs every 6 day and I jog together how many days will it take for them to jog again toge
Vinvika [58]

Answer:

8 and 12 days

Step-by-step explanation:

to jog again=double

4x2=8

6x2=12

7 0
3 years ago
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