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Flura [38]
3 years ago
14

Answer plzzzzzzzzzzzzzzzz

Mathematics
1 answer:
Archy [21]3 years ago
3 0

Answer:

which one, or all of them?

Step-by-step explanation:

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Show that if n is an integer and n^3 + 5 is odd then n is even
Salsk061 [2.6K]
If n is odd then its cube is also odd because odd times odd is odd. When we add 5, an odd number, we get an even number.
If n is even, its cube is also even so adding an odd number makes the sum odd. So if the expression is odd, n must be even.
3 0
3 years ago
What is the simplest form for 3/8
Maslowich
So, 3 goes into 8 2 times and 2 will be left over so you would put:
2 2/8 or 2 1/4

7 0
3 years ago
A pair of jeans cost $32 last year this year they cost $38 what was the percent increase? PLEASE ANSWER NEED HELP!
garik1379 [7]

Answer:

18.75%

Step-by-step explanation:

percent increase = \frac{increase}{original cost} × 100%

Increase in cost = $38 - $32 = $6

percent increase = \frac{6}{32} × 100% = \frac{6(100)}{32} = 18.75%


5 0
3 years ago
8. What is the arc length, rounded to the nearest hundredth, of a semicircle with radius 5
abruzzese [7]

Answer: D                                                                                                                   Step-by-step explanation:  

4 0
2 years ago
A high school football pennant is in the shape of an isosceles triangle. The base is 18 inches long. The sides meet at an angle
Oksanka [162]

Answer:

The length of each side is 26.3 cm

Step-by-step explanation:

Opposite sides of an isoceles triangle are equal

The isoceles triangle is divided into 2 right-angled triangles so the length of one side can be calculated using trigonometric ratio

When the isoceles triangle is divided, the angle in the right-angled triangle is 20° (1/2 of 40°) and the base is 9cm (1/2 of 18 cm), the hypotenuse side is calculated using trigonometric ratio

Let the length of the hypotenuse side be y

9/y = sin 20°

y = 9/0.3420 = 26.3

Length of each side is 26.3 cm

3 0
3 years ago
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