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Anna007 [38]
2 years ago
7

Plsssss help if u can 6th-grade math plss

Mathematics
1 answer:
liq [111]2 years ago
6 0

Step-by-step explanation:

Q1. diameter =90yd radius=45

circumference of circle=2×pi×radius

"" =2×3.14×45

=282.6 yd

Q2 diameter =18m radius=9

area of circle=pi×(radius)

""" =3.14×9²

""" =254.34m²

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Distributive property -8(1+5m)
Stolb23 [73]

Answer:

im pretty sure that it is -48 there is a chance im wrong

Step-by-step explanation:

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3 0
3 years ago
4/5x = 3<br> please solve for x
san4es73 [151]

Answer:

x=15/4 or x=3.75

Step-by-step explanation:

4/5*x=3

4/5=0.8

0.8*3.75=3

3 0
3 years ago
Is V<br> 64 rational or irrational
Marizza181 [45]

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rational

Step-by-step explanation:

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4 0
2 years ago
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Determine the y-intercept of the line that passes through (-5,-12) and has a slope of -5
brilliants [131]

Answer:

-37

Step-by-step explanation:

Not sure what the method is called, but you do this.

substitute the slope into slope formula

y= -5x+b

substitute the points you have for x and y

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6 0
3 years ago
The sales at a particular bookstore grew from $2006 million in 2000 to $3803 million in 2005. Find an exponential function to mo
Mariana [72]
Yes initial amount is 2044 (in millions) 

Since the function is from 2000 then you can set it up as 
B(t)=2044*a^t 

To solve for "a" use the second number given, 3846, and since this value is 5 years after 2000 t=5 
so we plug in these values 
3846=2044*a^5 

we now solve for a 

first, divide by 2044 
3846/2044=a^5 

next, we take the 5th root 
<span>5sqrt(3846/2044) = a 

I hope my answer has come to your help. Thank you for posting your question here in Brainly.
</span>
4 0
2 years ago
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