Rewrite the decimal in the sentence below as a percentage.

Mathematics

1 answer:

serious [3.7K]2 years ago

6 0

Answer:

0.0066%

Step-by-step explanation:

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What is the value of b? 0.4(3b+10)=19

svet-max [94.6K]

Hello!!

Isolate the variable by dividing each side by factors that don't contain the variable.

Your answer is 12.5.

Hope that you pass your test!!

7 0

2 years ago

Read 2 more answers

I need help with this problem?

Cerrena [4.2K]

Answer:

Step-by-step explanation:

Volume of cylinder:

$\boxed{\text{Volume of cylinder=$\pi r^{2}h$}}$

Bottom cylinder:

1 inch = 2.54 cm

diameter = 14 in

r = 14/2 = 7 in

r = 7 *2.54 = 17.78 cm

h = 4 in = 4*2.54 = 10.16 cm

Volume = 3* 17.78 * 17.78 * 10.16

= 9635.59 in³

Upper cylinder:

diameter = 12 in

r = 12/2 = 6in

r = 6*2.54 = 15.24 cm

h = 12 in = 12*2.54 = 30.48 cm

Volume = 3 * 15.24 *15.24 * 30.48

= 21237.63 in³

Volume of the object = 9635.59 + 21237.63

= 30873 cm³

3 0

2 years ago

Question 12 With steps please

34kurt

$Answer:\ \boxed{5^2}$

$\sqrt[n]{a}=a^\frac{1}{n}\\\\\text{therefore}\\\\\sqrt5=5^\frac{1}{2}\\----------------\\25=5^2\\----------------\\78,125=5^7\\----------------\\\text{use}\\\\a^n\cdot a^m=a^{n+m}\\\\\dfrac{a^n}{a^m}=a^{n-m}\\----------------\\\\\dfrac{\sqrt5\times78,125}{25\times5^{\frac{7}{2}}}=\dfrac{5^\frac{1}{2}\times5^7}{5^2\times5^\frac{7}{2}}=\dfrac{5^{\frac{1}{2}+7}}{5^{2+3\frac{1}{2}}}=\dfrac{5^{7\frac{1}{2}}}{5^{5\frac{1}{2}}}=5^{7\frac{1}{2}-5\frac{1}{2}}=\boxed{5^2}$