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vampirchik [111]
3 years ago
12

4.16×10^−5 divided by 8.0×10^−4 in scientific notation

Mathematics
1 answer:
Fynjy0 [20]3 years ago
6 0

Answer: 13/250 or 0.052

Step-by-step explanation:

4.16 (1/100000)/ 8 (10^-4)

Then keep doing order of operations and dividing down.

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What are the values of x in the equation x2 – 6x + 9 = 25? x = –2 or x = 8 x = –1 or x = –11 x = 1 or x = 11 x = 2 or x = –8
beks73 [17]

Answer:

x = 8 or x = -2

Step-by-step explanation:

x^2 - 6x + 9 = 25

x^2 - 6x - 16 = 0

The formula to solve a quadratic equation of the form ax^2 + bx + c = 0 is equal to x = [-b +/-√(b^2 - 4ac)]/2a

with a = 1

b = -6

c = -16

substitute in the formula

x = [-(-6) +/- √(-6^2 - 4(1)(-16))]/2(1)

x = [6 +/- √(36 + 64)]/2

x = [6 +/- √10]/2

x = [6 +/- 10]/2

x1 = [6 + 10]/2 = 16/2 = 8

x2 = [6 - 10]/2 = -4/2 = -2

8 0
3 years ago
Read 2 more answers
On Monday, a fruit vendor bought 808080 pieces of fruit to sell at her market, 35\%35%35, percent of which were apples and the r
Zepler [3.9K]

Answer:

<u>28.8%</u> of the fruit she bought on Tuesday was apples.

Step-by-step explanation:

Given:

On Monday, a fruit vendor bought 80 pieces of fruit to sell at her market, 35%, percent of which were apples and the rest of which were oranges. On Tuesday, the vendor bought the same number of oranges, but she only bought 73 pieces of fruit.

Now, to find the percentage of apples among the fruit she bought on Tuesday.

So, on Monday the fruit vendor bought 80 pieces of fruit.

35%, percent of which were apples.

So, the number of apples in the fruit are:

35\%\ of\ 80\\\\=\frac{35}{100} \times 80\\\\=0.35\times 80\\\\=28\ apples.

Thus, there are 28 apples.

Now, the rest are oranges, so we find the number of oranges by subtracting   28 apples from 80 pieces of fruit:

80-28=52\ oranges.

As, there were 52 oranges in the fruit on Monday.

And, the vendor bought same number of oranges on Tuesday.

<u><em>So, total number of fruit pieces she bought on Tuesday was 73.</em></u>

Now, to get the number of apples she bought on Tuesday we subtract number of oranges from the total number of pieces of fruit:

73-52=21.

<u><em>Hence, the apples she bought on Tuesday was 21.</em></u>

Now, to get the percentage of fruit she bought on Tuesday was apples:

\frac{21}{73} \times 100\\\\=\frac{2100}{73} \\\\=28.8\%.

Therefore, 28.8% of the fruit she bought on Tuesday was apples.

8 0
3 years ago
PLEASE ANSWER ASAP FOR BRAINLIEST!!! A triangle has side lengths of 17 cm and 8 cm. Which could be the value of the third side,
denis23 [38]

Answer:

23

Step-by-step explanation:

The sum of any two sides of a triangle has to be greater than the other side

Only 23 meets this criteria

7 0
3 years ago
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What is the absolute value of 24
Marizza181 [45]
The absolute value of 24 is 24 positive written | 24| = 24
3 0
3 years ago
Two angles are supplementary. The first angle is 3x degrees. The second angle is (2x+25) degrees. Determine the measure of the s
Alex17521 [72]
A = 3x
b = 2x+25
180 = a + b
180 = 3x + 2x + 25
180 = 5x + 25
155 = 5x
x = 31

a = 3*31 = 93
b = 2*31 + 25 = 87
5 0
4 years ago
Read 2 more answers
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