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mixer [17]
3 years ago
8

B. Write the following in exponential notation.then identity the base and the exponent.

Mathematics
1 answer:
Alchen [17]3 years ago
8 0

Answer:

1. 8^5, base is 8 and exponent is 5

2. (-1)^7, the base is -1 and the exponent is 7

3. -2 * a^3, the base is a and the exponent is 3

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Consider a triangle with angles 30o-60o-90o, with hypotenuse of length 2. Calculate the lengths of the other 2 sides and store t
kumpel [21]

Answer:

1.00 and 1.73

Step-by-step explanation:

1) Calculating the 1st and the 2nd leg using trigonometric function sine:

sin (30^{0})=\frac{c}{2}\Rightarrow \frac{1}{2}=\frac{c}{2}\Rightarrow 2*\frac{1}{2}=2*\frac{c}{2}\Rightarrow c=1\\sin(60^0)=\frac{b}{2}\Rightarrow \frac{\sqrt{3}}{2}=\frac{b}{2}\Rightarrow b=\sqrt{3}\Rightarrow\: b\approx \:1.73

Once one leg is found there is another way to find the other leg, using Pythagorean Theorem too.

a^{2}=b^{2}+c^{2}\Rightarrow 2^{2}=b^{2}+1^{2}\Rightarrow 4-1=b^{2}\Rightarrow b=\sqrt{3} b\approx 1.73

Sides

a hypotenuse: 2.00

-------------------------------

b leg: 1.73

--------------------------------

c leg: 1.00

--------------------------------

4 0
3 years ago
My supersonic jet burns 4 gallons of jet fuel in 3 seconds. How many gallons of jet fuel do I need to fly for an hour?
Dahasolnce [82]
60 seconds in a minute, but if you divide 60/3, you’ll get 20. So 20*4=80 gallons/min. If you multiply 80*60=4,800 gallons/hr
7 0
2 years ago
Item 3
soldi70 [24.7K]
1 Hour is longest then 1 minute then 1 second is shortest
4 0
2 years ago
Read 2 more answers
PLEASE QUICKLY HELP ME!!
Ksju [112]

Answer:

Part A: 16x^2 -56x+49

I'm not quite sure on Part B and C though, sorry :/.

Step-by-step explanation:

To find the expression we need to solve (4x-7)•(4x-7)

4x•4x = 16x^2

4x•-7= -28x

-7•4x= -28x

-7•-7=49

Combine alike terms

16x^2-56x+49

Hope this helps! If you have any questions on how I got my answer feel free to ask. Stay safe!

3 0
3 years ago
PLEASE HELP ME!!!!! i really need it !!!
Marysya12 [62]
F(x) =√x : Right


f(x) = x² : Wrong


Domain: x> or = to Zero & for x<0  then x∈ C


f(x) > or = to zero. Yes Real


The domain is all real & positive numbers
6 0
3 years ago
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