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Vikentia [17]
3 years ago
10

Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approxi

mately 5,880,000,000,000 miles. Suppose a star is 14.4 light-years from Earth. In scientific notation, how many miles away is it?
Mathematics
2 answers:
olga nikolaevna [1]3 years ago
8 0

Answer:

8.4672 x 10^13

Step-by-step explanation:

DerKrebs [107]3 years ago
4 0

         (14.4)  x  (5,880,000,000,000 miles)  =  84,672,000,000,000 miles

                     (14.4)  x  (5.88 x 10¹²)

                 =      84.672 x 10¹²

                 =      8.4672 x 10¹³ .
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If the perimeter of this trlangle is 15 centimeters, what is the value of n? 5n - 6 2n + 1 Express your answer as a decimal numb
Paraphin [41]

Answer:

n =1.78

Step-by-step explanation:

2(5n-6)

2(n+1)

10n-12+4n+2=15

14n-10=15

subtract both sides by 10

14n=25

25/14

n=n =1.78571428571

3 0
3 years ago
If f(x) = 2x3 – 12x2 + 26x — 20 and X
geniusboy [140]
Wait what? i’m sorry i don’t understand
4 0
3 years ago
Question 2
Anni [7]

Answer:

M = (9,3)

Step-by-step explanation:

Given

(x_1,y_1) = (4,8)

(x_2,y_2) = (14,-2)

Required

Find the midpoint (M)

The midpoint is calculated as follows:

M = (\frac{1}{2}(x_1+x_2),\frac{1}{2}(y_1+y_2))

Substitute values for x's and y's

M = (\frac{1}{2}(4+14),\frac{1}{2}(8-2))

M = (\frac{1}{2}(18),\frac{1}{2}(6))

M = (\frac{1}{2}*18,\frac{1}{2}*6)

M = (9,3)

<em>Hence, the midpoint is (9,3)</em>

6 0
3 years ago
Ms. Wilmith bought 4 bags of candies. Each bag contained 8 candies. She put an
N76 [4]

Answer:

Number of candy left = 5

Step-by-step explanation:

Given:

Number of bags = 4

Number of candies in each bag = 8

Number of Gift boxes = 9

Find:

Number of candy left = ?

Computation:

Total number of candies = Number of bags × Number of candies in each bag

Total number of candies = 4 × 8

Total number of candies =  32

According to Euclid division lemma:

a = bq +r

32 = (3)(9) + Remainder

32 = 27 + Remainder

Remainder = 5

Number of candy left = 5

8 0
3 years ago
Write the equation of the line that passes through the points (7, -3) and (7, 0).
Akimi4 [234]

Answer:

x = 7

Step-by-step explanation:

Since the x- coordinates of the 2 points are equal, both 7 , then the line is vertical with equation

x = c

where c is the value of the x- coordinates the line passes through, then

x = 7 ← equation of line

6 0
3 years ago
Read 2 more answers
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