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borishaifa [10]
3 years ago
11

Which number is a perfect square? оооо

Mathematics
1 answer:
puteri [66]3 years ago
6 0

Answer:

1, 4, 9, 16, 25, etc

Step-by-step explanation:

a perfect square is a whole number multiplied by itself. it can be written with the notation ^2

to find a perfect square, simply square or bring to the 2nd power, any whole number

for example 9^2

this means that 9 is multiplied by ITSELF 2 times, it is NOT 9*2

it can also be written as 9*9=81

hope this helps, if anything confuses you feel free to ask ♡

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Given (x)=-x²+2x,determine<br> F'(x) using first principle
mote1985 [20]
Hello,
which principle?

f(x)=-x²+2x
==>f'(x)= -2x+2

You mean maybe this

\lim_{h \to 0} \frac{f(x+h)-f(x) } {h}


f(x+h)=-(x+h)²+2(x+h)= -(x²+2hx+h²)+2x+2h
f(x)=-x²+2x

\lim_{h \to 0} \frac{f(x+h)-f(x) } {h}=\lim_{h \to 0}\frac{-2hx-h^2+2h}{h}=\lim_{h \to 0}\frac{-2x-h+2}{1}=-2x+2

6 0
3 years ago
Chuck lives of a mile from the post office. He walked of the way from home to the post office. How far did Chuck walk? If possib
Radda [10]

Complete question :

Chuck lives 4/5 of a mile from the post office. He walked 2/3 of the way from home to the post office. How far did Chuck walk? If possible, write the answer in reduced form

Answer:

8/ 15 miles

Step-by-step explanation:

Given that:

Distance from house to post office = 4/5 miles

Distance walked = 2/3 of the distance

Hence, the distance walked can be obtained thus :

2/3 of (4/5)

2/3 * 4/5

8 / 15

Hence, Chucks walked 8 /15 miles

4 0
2 years ago
Pls help ??????????????
blagie [28]
The picture is cutted off
4 0
2 years ago
Read 2 more answers
Forty children from an after-school club went to the matinee.This is 25% of the children in the club.How many children are in th
Korvikt [17]
25% = 0.25

40 / 0.25 = 160

40 is 25% of 160.

There are 160 children in the club.
7 0
3 years ago
Please help me we greatly appreciated thank you so much
Stels [109]
Sa = 2pi r h + 2pi r²
= 1327.32 units squared
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