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2 years ago

help with this please

Mathematics

1 answer:

Anarel [89]2 years ago

5 0

A2+B2=C2. (2 means squared)
14squared+48squared=C2
196+2304=C2
2500=C2
Take the square root of both,
C=50

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What is the circumference and area of the circle

djverab [1.8K]

Answer:

the circumference is: 10.048 ft

the area is: 8.0384 ft

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3 years ago

Indiana is hiking at a rate of 5 miles per hour. At this rate, how long will it take her to hike 22 miles?

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3 years ago

(CHALLENGE QUESTION FOR ALL OF YOU):

NARA [144]

Answer:

Euler's Identity

Euler's Identity is written simply as: e^(iπ) + 1 = 0, it comprises the five most important mathematical constants, and it is an equation that has been compared to a Shakespearean sonnet.

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3 years ago

Read 2 more answers

PLEASE HELP ASAP !!

wariber [46]

Answer:

First figure: $954cm^3$

Second figure: $1,508yd^3$

Third figure:

Height= q
Side length = r

Fourth figure:  $726cm^3$

Explanation:

A. First figure:

1. Formula:

$\text{Volume of a cylinder}=\pi \times radius^2\times length$

2. Data:

radius = 9cm / 2 = 4.5cm

length = 15 cm

3. Substitute in the formula and compute:

$Volume=\pi \times (4.5cm)^2\times (15cm)\approx 954cm^3\approx 954cm^3$

B. Second figure

1. Formula:

$\text{Volume of a leaned cylinder}=\pi \times radius^2\times height$

2. Data:

radius = 12yd

height = 40 yd

3. Substitute and compute:

$Volume=\pi \times (12yd)^2\times (40yd)\approx 1,507.96yd^3\approx 1,508yd^3$

C) Third figure

a) The height is the segment that goes vertically upward from the center of the base to the apex of the pyramid, i.e. q .

The apex is the point where the three leaned edges intersect each other.

b) The side length is the measure of the edge of the base, i.e. r .

When the base of the pyramid is a square the four edges of the base have the same side length.

D) Fourth figure

1. Formula

The volume of a square pyramide is one third the product of the area of the base (B) and the height H).

$Volume=(1/3)B\times H$

2. Data:

height: H = 18cm

side length of the base: 11 cm

3. Calculations

a) Calculate the area of the base.

The base is a square of side length equal to 11 cm:

$\text{Area of the base}=B=(11cm)^2=121cm^2$

b) Volume of the pyramid:

$Volume=(1/3)B\times H=(1/3)\times 121cm^2\times 18cm=726cm^3$

4 0

3 years ago

Read 2 more answers

I seriously need help with this. I pay attention in class it's just so confusing!! I'm giving extra points. Now 15. Please tell

brilliants [131]

Answer:

Step-by-step explanation:

Its D because A is all 90 degrees

Not C because all 90

8 0

3 years ago

￼help with this please

help with this please