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dexar [7]
2 years ago
6

Which expressions are equivalent to the given expression?

Mathematics
2 answers:
kirill [66]2 years ago
6 0

Simplify Square Roots -

Find one perfect square and one imperfect square to multiply to the square root.

\sqrt{4 \times 10}  = 2 \sqrt{10}

40^{ \frac{1}{2} }  =  \sqrt[2]{(40) ^{1} }  =  \sqrt{40}

\sqrt{40} \neq 4 \sqrt{10}

160 ^{ \frac{1}{2} }  =  \sqrt[2]{160 ^{1} }  =  \sqrt{160}  \neq \:  \sqrt{40}

5 \sqrt{8}  \neq \:  \sqrt{40}

ale4655 [162]2 years ago
5 0

Answer:

(a). and (b).

Step-by-step explanation:

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Can someone please help me with this problem!
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Answer:

11 yards

Step-by-step explanation:

The volume of a cone formula is:

V=\frac{1}{3}\pi r^2 h

Where V is the volume,

r is the radius (half of diameter)

h is the height

Given,

h = 15

V = 475.17

We find the radius (r) first by substituting given values:

V=\frac{1}{3}\pi r^2 h\\475.17=\frac{1}{3}\pi r^2 (15)\\475.17=5\pi r^2\\r^2=30.25\\r=5.5

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8 0
2 years ago
A total of 644 tickets were sold for the school play. They were either adult tickets or student tickets. There were 56 fewer stu
DochEvi [55]

Create formulas!

x=number of adult tickets

y=number of student tickets

x+y=644  <em>total sold</em>

56+y=x    <em>student was 56 less than adult</em>

Perform substitution

(56+y)+y=644

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y=294

Substitute y into the formula we created

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x=350

350 adult tickets were sold.

3 0
3 years ago
Read 2 more answers
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