3 years ago

What is 40% of 5 please I need help

Mathematics

2 answers:

ladessa [460]3 years ago

8 0

Answer:

Step-by-step explanation:

10 percent of 5 is 0.5

Multiply by 4 for 40%

0.5 × 4 = 2.0

hope this helps...

Irina18 [472]3 years ago

4 0

Answer:2

Step-by-step explanation:

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One of the legs of a right triangle measures 7 cm and its hypotenuse measures 12 cm.

Oksana_A [137]

Answer:

AC ≈ 9,7sm

Step-by-step explanation:

AB=7 One side of a right triangle

BC=12 Hypotenuse of a right triangle

AC=?=x The other side of a right triangle

x²+7²=12²

x²=144-49

x²=95

x=√(95) ≈ 9,7

AC ≈ 9,7sm

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2 years ago

Does anyone know this?

weeeeeb [17]

Answer:

BC = 10.24

Step-by-step explanation:

You can use the Pythagoras theorem for this question

$a^{2}$ + $b^{2}$ = $c^{2}$

a = 8cm

b = ???

c = 13cm

We will solve for B (length BC)

$a^{2}$ + $b^{2}$ = $c^{2}$

$8^{2}$ + $b^{2}$ = $13^{2}$

Rearrange for b

$b^{2}$ = $13^{2}$ - $8^{2}$

$b^{2}$ = 105

b = $\sqrt{105}$

b = 10.24

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3 years ago

The table shows the wavelength of the sound produced by keys on a piano x keys away from the A above middle C.

Virty [35]

B) 49.44 is the right answer

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Find the missing exponent. Set up an equation and solve. : x^4·x^n = x^5

algol [13]

Remember
(x^m)(x^n)=x^(m+n)
and
if a^m=a^n, where a=a then n=m

(x^4)(x^n)=x^5
(x^4)(x^n)=x^(4+n)
x^(4+n)=x^5
therefor
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minus 4
n=1

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Likurg_2 [28]

Answer:

(23/6)*(6/4)*(7/5)=8.05

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3 years ago

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