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Ymorist [56]
3 years ago
15

Assume a class has 19 members

Mathematics
1 answer:
sammy [17]3 years ago
5 0

Answer:I think that you can do 19-5 hope that helps

Step-by-step explanation:

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I need help on #39 plzz! Im so behind on everythingg:(
Sholpan [36]

Answer:

B is incorrect

Step-by-step explanation:

Attempt B is incorrect because the adjacent of the angle is used instead of the opposite.

8 0
3 years ago
Which set of integers is NOT a Pythagorean triple and are NOT side lengths of a right triangle?
Arlecino [84]

Answer:

Answer is 27, 32, 45

Step-by-step explanation:

In the right angle triangle, hypontenous is the longest side.

∴ In each option square of longest side has to be equal to the sum of square of other two side.

We know, h^{2} = a^{2} + b^{2}  ( as per pythogorean theorem)

If we check the last option; 27, 32, 45

In the given set of integer, we have longest side as 45

∴ conisdering 45 as hyptenous

Subtituting the value in the formula

⇒45^{2} = 27^{2} +32^{2}

⇒2025= 729+1024

⇒2025\neq 1753

∴ LHS\neq RHS

Hence, the set of given integer is not a pythagorean triple and are not side length of right angle.

5 0
3 years ago
Read 2 more answers
There are two right circular cylinders. The radius of the first cylinder is 4 centimeters, and its height is 5 centimeters. The
Lina20 [59]

Answer:

D. 9:1

Step-by-step explanation:

The formula for the volume of a cylinder is πr² · h (pi · radius² · height) (use 3.14 for pi).

The two right circular cylinders have the same height. The larger cylinder has a radius that is three times the size of the smaller radius.

4 · 3 = 12

However, in the equation for volume, the radius is squared. Because of this, the larger cylinder is 9 times the size of the smaller cylinder because 3² = 9.

You can check your work by finding the volume of the two cylinders using the volume formula πr² · h:

3.14 · 4² · 5 = 251.2

3.14 · 12² · 5 = 2,260.8

The cylinder with a radius of 12 cm is 9 times the size of the cylinder with a radius of 4 cm.

2.260.8 ÷ 9 = 251.2

5 0
3 years ago
Convert 18 mi/hr to ft/sec.
boyakko [2]

Step-by-step explanation:

1\ mi=5280\ ft\\\\1\ h=3600\ s\\\\18\ \dfrac{mi}{h}=18\cdot\dfrac{5280\ ft}{3600\ s}=26.5\ \dfrac{ft}{s}

7 0
4 years ago
00:00
Bogdan [553]

Answer:

1. 4.65+3.23 = 7.88 yes

2. 3.23 + 6.42= 9.65 not 9.45 no

3. 2.85 + 3.23 = 6.08 yes

4. 3.23 + 8.49 = 11.72 not 10.72 no

8 0
3 years ago
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