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Gekata [30.6K]
4 years ago
14

An increase of 3 points positive or negative

Mathematics
2 answers:
Aleonysh [2.5K]4 years ago
8 0
Positive because it’s increasing
vesna_86 [32]4 years ago
5 0
Positive if it is an increase.
Does that help? Idrk what ur asking
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16. A can in the shape of a cylinder has a diameter of 6 centimeters
sladkih [1.3K]

Answer:

surface area = 245.04 cm² (nearest tenth)

Step-by-step explanation:

Surface area of a closed cylinder = 2\pi r^2+2\pi rh

Given:

  • diameter = 6 cm ⇒ radius = 3 cm
  • height = 10 cm

⇒ surface area = 2 × \pi × 3² + 2 × \pi × 3 × 10

                          = 78\pi

                          = 245.04 cm² (nearest tenth)

8 0
2 years ago
Jason builds doghouses for a pet store. Each doghouse is a wooden structure with a rectangular base that has an area of 21 squar
il63 [147K]

Answer:

5 remainder 2

Step-by-step explanation:

divide

7 0
3 years ago
Read 2 more answers
Find the fifth roots of 32(cos 280° + i sin 280°)
shusha [124]

Answer:

The fifth root is 2[cos(56°) + i sin(56°)]

Step-by-step explanation:

* To solve this problem we must revise De Moiver's rule

- In the complex number with polar form

∵ z = r(cosФ + i sinФ)

∴ z^n = r^n(cos(nФ) + i sin(nФ))

* In the problem

- The fifth root means z^(1/5)

- We can put 32 as a form a^n

∵ 32 = 2 × 2 × 2 × 2 × 2 = 2^5

∴ z = 2^5[cos(280°) + i sin(280°)]

* Lets find z^(1/5)

*z^{\frac{1}{5}}=[2^{5}]^{\frac{1}{5} } (cos(\frac{1}{5})(280)+isin(\frac{1}{5})(280)

*(2^{5})^{\frac{1}{5}}=2^{5.\frac{1}{5}}=2

∴ z^(1/5) = 2[cos(56) + i sin(56)]

* The fifth root of 32[cos(280°) + i sin(280°)] is 2[cos(56°) + i sin(56°)]

 

4 0
3 years ago
The diameter of a circle measures 28 ft. what is the circumference of the circle? Use 3.14 for π, and do not round your answer.
horsena [70]

Answer:

87.92 ft

Step-by-step explanation:

The circumference of a circle can be found using the formula: c = 2pi(r) OR c = pi(d).

r stands for the radius, d stands for the diameter. Because you're given the diameter of the circle, you can simply multiply 28 by pi (3.14), and you'll get the circumference!

3 0
4 years ago
A crate that is 10 inches long, 8 inches wide, and 3 inches high is shown above. The floor and the four walls are all one inch t
miskamm [114]

Answer:

48

Step-by-step explanation:

The exterior of the crate is 10 inches long, meaning that the inside measurement is 8 inches.  Next, the 8 inch width corresponds to 6 inches inside.  Finally, the 3 inch height corresponds to 1 inch interior height.

Thus the inside floor of the box is 8 by 6 inches, or 48 square inches.

Since the inside height is only 1 inch, this means that 48 one-inch cubical blocks will fit inside the crate.

7 0
4 years ago
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