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3 years ago

This question needs to be answered, been stuck on this for 20 minutes.

Mathematics

1 answer:

Soloha48 [4]3 years ago

8 0

Answer

B) 287.6cm²

Step-by-step explanation:

First you need the radius, since you have the diameter you have to divide it by 2 in order to get the radius (8.4 divided by 2 = 4.2) then use the formula A=2πrh and plug in the radius and your height (h) which is 10.9cm into the formula.

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Given a cone 10 feet tall with a diameter of 10 feet, determine the radius of the smaller cone created when a horizontal plane p

11111nata11111 [884]

Answer:

r=3 ft

Step-by-step explanation:

it is similarity of two triangles

one

perpendicular side=10 ft

base=10/2=5 ft

second

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Base r=?

$\frac{r}{5}=\frac{6}{10}\\r= \frac{6}{10} \times 5=3~ft$

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3 years ago

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2 years ago

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Step-by-step explanation:

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2 years ago

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What is the area of the parallelogram?

Xelga [282]

Answer:

A. 48

Step-by-step explanation:

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3 years ago

Evaluate: 7( 14 - 8) - 6² 5 6 7 8 please help if possible 3

irakobra [83]

Answer:

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Step-by-step explanation:

Step 1: Define

Identify

7(14 - 8) - 6²

Step 2: Evaluate

Exponents: 7(14 - 8) - 36
(Parenthesis) Subtract: 7(6) - 36
Multiply: 42 - 36
Subtract: 6

4 0

2 years ago