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guapka [62]
3 years ago
15

Which expressions equal 9 when x=4 and y=1/3

Mathematics
2 answers:
Maslowich3 years ago
6 0
B.
4 \times 2 = 8
3 \times  \frac{1}{3}  = 1
8 + 1 = 9
babymother [125]3 years ago
6 0
I think there are 3 answers, B, D, and E.

For B: 2(4)+3(1/3)=8+1=9
For D: 5(4/2)-3(1/3)=5(2)-1=10-1=9
For E: 3(4)-9(1/3)=12-3=9
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A ski patrol unit has nine members available for duty, and two of them are to be sent to rescue an injured skier. In how many wa
alexgriva [62]

Answer:

36

Step-by-step explanation:

The number of two of the nine members of ski patrol unit can be chosen is equal to the combinations of 9 taken 2. This can be calculated using the formula:

\frac{9!}{2!*(9-2)!}  

= \frac{9!}{2!*7!}, where

9! =9×8×7×6×5×4×3×2×1 and

7!=7×6×5×4×3×2×1

2!=2×1   then the equation becomes:

=\frac{9*8}{2} =36

4 0
3 years ago
Branliest offered
blsea [12.9K]
The circumference can be obtained fairly easily by simply substituting the d in c = πd for the colony's given diameter of 12 mm. Performing that calculation using the approximation of π ≈ 3.14, we obtain a circumference of 12 x 3.14 = 37.68 mm.

To find the radius, remember how the diameter and radius of a circle are defined. The radius is a length extending from the center of a circle to a point on its circumference, and a diameter is a line extending from one point on the circle's circumference to an opposite point, passing through the circle's center along the way. The diameter can, in this way, be defined as twice the length of the radius, which means we can find the radius of a circle by taking half of its diameter. In this case, our diameter is 12 mm, so our radius would be 6 mm.
7 0
3 years ago
Help please !! thank youu
VLD [36.1K]

Answer:

d = √91 ft = about 9.53 ft

Step-by-step explanation:

use pythagorean theorem which is a²+b²=c²

(the hypotnuse which is opposite side of the right angle is always going to be C in the pythagorean theorem)

a = 3    b = ?     c = 10

(3)² + b² = (10)²

9 + b² = 100

subtract 9 from both sides

b² = 91

take the square root of both sides

b = ±√91

so the side d = √91 ft = about 9.53 ft

3 0
3 years ago
Xina has $289 and spends $55 at the grocery
Kruka [31]
200 dollars like the answer please
6 0
3 years ago
I need gelp...Gail read 2/15 of a book on Monday and 3/5 of the book on tuesday.what fraction of the book did read on Monday and
andrey2020 [161]
11/15 because 3/5 converts to 9/15 so 9/15+2/15=11/15
4 0
3 years ago
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