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lys-0071 [83]
3 years ago
13

What's the value? A.-20 B.-4 C.4 D.20

Mathematics
2 answers:
Vlad1618 [11]3 years ago
6 0

Answer:

\boxed{-4}

Step-by-step explanation:

(4-2)^3-3 \times 4

Brackets or parenthesis are to be evaluated first. Subtract the numbers in the brackets.

(2)^3-3 \times 4

Evaluate the power or exponent.

8-3 \times 4

Multiply the numbers.

8-12

Finally, subtract the numbers.

=-4

ale4655 [162]3 years ago
4 0

Answer:

<h2>-4</h2>

Option B is the correct option.

Step-by-step explanation:

{(4 - 2)}^{3}  - 3 \times 4

Subtract the numbers

=  {(2)}^{3 } - 3 \times 4

Multiply the numbers

=  {(2)}^{3}  - 12

Evaluate the power

= 8 - 12

Calculate the difference

=  - 4

Hope this helps..

Best regards!!

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I need help please can’t find it
nordsb [41]

Answer:

Step-by-step explanation:

log(7)6+log(7)2^3

log(7)6+log(7)8

log(7)(8*6)

log(7)48 = > D is the correct answer.

8 0
2 years ago
Can someone help me please?
frutty [35]

The surface area of the cone is: A. 184π units².

<h3>What is the Surface Area of a Cone?</h3>

Surface area of a cone = πr(l + r), where r is the radius and l is the slant height.

Given the following:

  • Slant height (l) = 15 units
  • Radius = (r) = 8 units

Surface area of a cone = π8(15 + 8)

Surface area of a cone = 184π units²

Learn more about surface area of a cone on:

brainly.com/question/10506554

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3 0
2 years ago
Convert 16/22 to a decimal
Arturiano [62]

Answer:

1.375

Step-by-step explanation:

4 0
3 years ago
find the curved surface area and total surface area of a right circular cylinder whose height is 15 cm and the radius of the bas
otez555 [7]

Answer:

CSA = 660cm^2 --- Curved Surface Area

TSA = 968cm^2  --- Total Surface Area

Step-by-step explanation:

Given

Shape: Cylinder

h = 15 -- height

r = 7 --- radius

Solving (a): The curved surface area (CSA)

This is calculated as:

CSA = 2\pi rh

This gives:

CSA = 2 * \frac{22}{7} * 7 * 15

CSA = 2 * 22* 15

CSA = 660cm^2

Solving (b): The total surface area (TSA)

This is calculated as:

TSA = 2\pi r(h + r)

This gives:

TSA = 2 * \frac{22}{7} * 7 * (15 + 7)

TSA = 2 * 22 * (15 + 7)

TSA = 2 * 22 * 22

TSA = 968cm^2

6 0
3 years ago
Can somebody help me
pantera1 [17]

The answer is B. The angle next to 100 degrees would be 80 as the angles are supplementary. Then you would add 80 + 70 = 150. All the angles in a triangle add to 180, thus making the "x" angle 30 due to 180 - 150.

Hope this helped :))

7 0
4 years ago
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