A bicycle training wheel has a radius of 3 inches. The bicycle wheel has a radius of 10 inches. Approximately how much smaller, in square inches, is the areaof the training wheel than the area of the regular wheel?Use 3.14 for 흅

Answers

Answer 1

Answer:

Answer:

$285.74\text{ inch}^2$

Step-by-step explanation:

GIVEN: A bicycle training wheel has a radius of $3\text{ inch}$ . The bicycle wheel has a radius of $10\text{ inch}$ .

TO FIND: Approximately how much smaller, in square inches, is the area of the training wheel than the area of the regular wheel.

SOLUTION:

radius of bicycle wheel $=10\text{ inch}$

area of bicycle wheel $=\pi r^2$

putting value,

area of bicycle wheel $=3.14*10^2$

$=314\text{ inch}^2$

radius of bicycle training wheel $=3\text{ inch}$

area of bicycle training wheel $=\pi r^2$

putting value,

area of bicycle wheel $=3.14*3^2$

$=28.26\text{ inch}^2$

difference in area of bicycle wheel and bicycle training wheel

$=\text{area of bicycle wheel}-\text{area of bicycle training wheel}$

$=314-28.26$

$=285.74\text{ inch}^2$

hence the training wheel is $285.74\text{ inch}^2$ smaller than regular wheel

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Original equation: y = 2x + 7Which equation will shift the graph of the original equation 2 units up?

A) y = 2x + 9
B) y = 4x + 7
C) y = 2x + 2
D) y = 2x - 2

Answers

A) y = 2x + 9 .........................

A line is drawn so that it passes through the points (3, 4) and (2, 1) .What is the slope of the line?

−13

3

−3

13

Answers

The answer would be 3

A temperature recorded in Antarctica was -121Fahrenheit. The temperature recorded in the Sahara desert was 132 fahrenheit. How many degrees warmer is 132 than -121Fahrenheit

Answers

Answer: 253°F

Step-by-step explanation:

Given the following :

Temperature in Antarctica = - 121 Fahrenheit

Temperature in Sahara desert = 132 Fahrenheit

Number of degrees in which Sahara desert is warmer than Antarctica :

(temperature in Sahara desert - temperature in Antarctica)

= ( 132°F - (-121°F))

= (132°F + 121°F)

= 253°F

Sahara Desert is 253°F warmer

Final answer:

132 Fahrenheit is 253 degrees warmer than -121 Fahrenheit.

Explanation:

To find the difference in temperature between -121 Fahrenheit and 132 Fahrenheit, we subtract the smaller temperature from the larger temperature. In this case, 132 - (-121) = 253 Fahrenheit. Therefore, 132 Fahrenheit is 253 degrees warmer than -121 Fahrenheit.

Learn more about temperature difference here:

brainly.com/question/32194721

#SPJ3

Special right triangle 45 45 90
Find the missing values

Answers

Answer:

well u will cosine or sine rule

If r =9, b=5, and g = -6, what does (r + b - g)(b + g) equal?

Answers

remember
-(-x)=+x since negatives cancel
and
+(-x)=-x

try to simplify parenthaseess first

r=9
b=5
g=-6
(r+b-g)(b+g)
(9+5-(-6))(5+-6)
(9+5+6)(5-6)
(14+6)(-1)
(20)(-1)
-20

(9+5+6)(5-6)

(20)(-1)

= -20

I hope that's help:0

Chester dives from a board 15 feet above the water he goes 7 feet below the surface of the water What is the total length of Chester’s dive

Answers

Answer:

22 feet

Step-by-step explanation:

Total length of dive is the sum of the distances above the water and below the surface:

15 feet + 7 feet = 22 feet

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