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castortr0y [4]
3 years ago
8

There are 20,000 runners in the

Mathematics
2 answers:
SpyIntel [72]3 years ago
8 0

20,000 • 26 = 520,000 miles.

In scientific notation, 520,000 becomes

5.20 x 10^5

nika2105 [10]3 years ago
6 0
I think it’s 5.20 x 10^5 but I’m not sure
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SOMEONE PLEASE HELP ME I WILLG IVE EVERYTHING!
Anvisha [2.4K]

Answer:

<h2>AB is around 33.18</h2><h2>BC is around 15.58 </h2>

Step-by-step explanation:

adjacent/hypotenuse is sine:

cos(28 degrees)=29.3/x

cos(28 degrees)*x=29.3

x=29.3/cos(28 degrees)

x=around 33.18

AB is around 33.18

opposite/adjacent is tangent

tan(28 degrees)=x/29.3

tan(28 degrees)*29.3=x

x=tan(28 degrees)*29.3

x=around 15.58

BC is around 15.58

4 0
3 years ago
Match these items match the items in the left column to the items in the right column
Setler [38]
1) Base
2) Exponent
3) Metric system
5 0
3 years ago
Multiply. - 4.3 x - 3.2 = _____.
GarryVolchara [31]
The answer is
13.76 because when u multiply negative times negative it gives u a positive
4 0
3 years ago
Read 2 more answers
Required
snow_lady [41]

Answer:

19

Step-by-step explanation:

70 - 51 = 19

To check:

19 + 51 = 70

5 0
3 years ago
Can anyone help me?pls
Mama L [17]

Answer/Step-by-step explanation:

Given:

C = right angle = 90°

BC = a = ?

AB = c = 12

AC = b = 9

Required:

a, <A, and <B

Solution:

✔️Find a using Pythagorean Theorem:

a = √(c² - b²)

a = √12² - 9²) = √63

a = 7.93725393 = 8 (nearest whole number)

✔️Find A by applying trigonometric ratio:

Thus,

Reference angle = A

Hypotenuse = 12

Adjacent = 9

Therefore,

cos(A) = \frac{adj}{hyp} = \frac{9}{12}

cos(A) = 0.75

A = cos^{-1}(0.75)

m<A = 41° (nearest whole number)

✔️Find B:

m<B = 180 - (90 + 41) (sum of interior angles of triangle)

m<B = 49°

8 0
3 years ago
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