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3 years ago

In the scale drawing what will the length of the West side of the back years be?

Mathematics

2 answers:

marusya05 [52]3 years ago

7 0

I think it’s 20 sorry if i’m wrong

meriva3 years ago

5 0

Answer:

Step-by-step explanation:

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Use the distributive property to write an equivalent expression for each expression below.

IRINA_888 [86]

A.36x-27y-6

B.12x-6y+2

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3 years ago

PLSSS HELP GIVING BRAINLIEST

mylen [45]

Answer: 180

Step-by-step explanation:

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2 years ago

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A bicycle training wheel has a radius of 3 inches. The bicycle wheel has a radius of 10 inches. Approximately how much smaller,

zhuklara [117]

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 $=3.14\times10^2$

$=314\text{ inch}^2$

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

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

putting value,

area of bicycle wheel $=3.14\times3^2$

$=28.26\text{ inch}^2$

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

4 0

3 years ago

Ella’s test grades in her history class are 89, 94, 82, 84, and 98. What score must Ella make on her next test to have a mean te

aksik [14]

Mean is same as average

to find average
add up terms
divided that sum by the number of terms you have
example

mean of x,y,z
x+y+z
3 terms
(x+y+z)/3=mean

so
represent next test score as x
89+94+82+84+98+x
count how many terms ther are (6 terms)

mean is 90
(89+94+82+84+98+x)/6=90
add the like terms
(447+x)/6=90
multiply both sides by 6 to clear fraction
447+x=540
subtract 447 from both sides
x=93

she needs a score of 93 on next test

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3 years ago

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How is tan similar to slope?

Bogdan [553]

I guess it's because tangent is written as y/x and slope is x/y

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3 years ago

In the scale drawing what will the length of the West side of the back years be? ​

In the scale drawing what will the length of the West side of the back years be?