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balandron [24]
3 years ago
11

Which numbers are perfect squares: 64, 15, 26, 100

Mathematics
2 answers:
Vinil7 [7]3 years ago
5 0

Answer:

64 and 100 are perfect square roots

Step-by-step explanation:

Alexandra [31]3 years ago
4 0

Answer:

15

Step-by-step explanation:

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Evaluate the function: h(x)= √5x for x = 10. Write your answer in simplest form.
Gnom [1K]

Answer:

5\sqrt{2}

Step-by-step explanation:

h(x)=\sqrt{5x} \\\\then\\\\h(10)=\sqrt{5*10} = \sqrt{50} = \sqrt{25*2} = \sqrt{25}*\sqrt{2} = 5*\sqrt{2} = 5\sqrt{2}

5 0
3 years ago
The intensity, I, of a sound varies inversely with the square of the distance, r, from the source of the sound. Write an equatio
charle [14.2K]

Answer:The  equation relating I, r, and k is I =K/r²

Step-by-step explanation:

The intensity, I, of a sound varies inversely with the square of the distance, r, from the source of the sound can be written as

I ∝ 1/r²

Introducing the constant of proportionality, K we have that

I =K x 1/r²

Therefore , the  equation relating I, r, and k is I =K/r²

7 0
3 years ago
5/8 divide by 1/4  simplest form
katrin [286]
(5/8):(1/4)= 5/8 • 4= 20/8=5/2 = 2 and 1/2
6 0
3 years ago
Read 2 more answers
Explain why these answers are true.
Dmitry [639]

Answer:

A, i actullay dont know i just want the piont and this was a long time ago so he doesnt need it

Step-by-step explanation:

4 0
3 years ago
A piggy bank contains $5.60 in nickels and dimes. The number of nickels is 8 less than 3 times the dimes. How many nickels and d
Musya8 [376]
The value of the coin times the number of coins all added up equals the total value of the piggy bank
so
0.05n + 0.10d = 5.60

then they have given us "number of nickels is 8 less than 3 times the dimes"
this translates to
n = 3d - 8

we plug this into our first equation and we get
0.05(3d - 8) + 0.10d = 5.60

now we solve for d
first we can distribute the 0.05
0.15d - 0.40 + 0.10d = 5.60

then we can add the 0.15d and 0.10d together
and get
0.25d - 0.40 = 5.60

then we can add 0.40 to both sides
0.25d = 6.00

then divide both sides by 0.25
d = 6.00 / 0.25 = 24
so we have 24 dimes


then to find nickels, we plug in 24 for d into
n = 3d - 8
and get
n = 3(24) - 8
n = 72 - 8
n = 64

therefore we have
64 nickels
and
24 dimes
4 0
3 years ago
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