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Zinaida [17]
3 years ago
9

I have 1 word problem and a math problem. (word prob)A light-year is the distance that light travels in a year and is equivalent

to 9.461 * 10^12. Write this distance in standard form.
(math prob) Order the list of numbers from least to greatest.
8.5*10^12,3.6*10^8,5.85*10^-3, 2.5*10^-1,8.5*10^8. ( This ^ means there are square roots for the numbers).



My math class is real soon. Pls, answer them. Thanks!!
Mathematics
1 answer:
Sati [7]3 years ago
6 0

Answer:

1. 9461000000000

move the desimal in 9.461 12 places to the right to get:

9461000000000

2.

5.85 x 10^-3,

2.5 x 10^-1,

3.6 x 10^8,

8.5 x 10^8,

8.5 x 10^12

the smallest exponent is the smallest. Since 8.5 x 10^8 and 3.6 x 10^8 have the same exponent, go to the desimal

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saw5 [17]

Answer:

3x² + 2x + 3 / b

Step-by-step explanation:

This is the correct answer. Hope this helps

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5x + (x÷3) = 38.4<br>Which value of x makes the equation true ​
denpristay [2]

5x + X/3 = 38.4

or, 5x* 3 + X = 38.4*3

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or,. 16 X. = 115.2

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Answer:

5 = 60.    6 = 72.      8 = 96

Step-by-step explanation:

60 = 12 x 5

72 = 12 x 6

84 = 12 x 7

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Elenna [48]
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➷ Use the expression "x + 2" to work this out

1 + (1 + 2) + (3 + 2) + (5 + 2) + (7 + 2) + (9 + 2) + (11 + 2 ) + (13 + 2) = 64

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5 0
3 years ago
An equation of a parabola with its vertex at (-3,2) and focus at (-3,-1) written in general equation form
german
<span> we have that
standard form of equation for parabola:
 (x-h)^2=-4p(y-k)
(h,k) --------->being the (x,y) coordinates of the vertex.
Parabola opens downwards because focus is below vertex on the axis of symmetry.
For given problem:
</span><span>vertex: (-3,2)
axis of symmetry: x=-3
p=distance from vertex to focus on the axis of symmetry=2-(-1)=3
4p=12
Directrix: y=2+p=5
Equation:
(x+3)^2=-12(y-2)

the answer is </span>(x+3)^2=-12(y-2)
5 0
3 years ago
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