4 years ago

What is 43.043 in expanded form

Mathematics

1 answer:

nordsb [41]4 years ago

3 0

40+3+.04+.003

expanded form is showing what you have to add together

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Given that u is the midpoint of on and v is the midpoint of rn select all statements that are true

Ira Lisetskai [31]

Answer:

6,9,15

It's a triple stack

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3 years ago

Find the area, in square feet, of a triangle whose base is 42⁄3 feet and whose altitude is 84⁄7 feet. A. 135⁄21 B. 20 C. 40 D. 2

CaHeK987 [17]

Answer:

Option B. $20\ ft^{2}$

Step-by-step explanation:

we know that

The area of a triangle is equal to

$A=\frac{1}{2}bh$

we have

$b=4\frac{2}{3}\ ft$

$h=8\frac{4}{7}\ ft$

Convert mixed numbers to an improper fractions

$b=4\frac{2}{3}\ ft=\frac{4*3+2}{3}=\frac{14}{3}\ ft$

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substitute the values

$A=\frac{1}{2}(\frac{14}{3})(\frac{60}{7})\\ \\A=\frac{14*60}{2*3*7}\\ \\A=\frac{840}{42} \\ \\A=20\ ft^{2}$

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3 years ago

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The radius of a cylinder is increased by 15% and its height is decreased by 20%. Find the percentage change in the volume of the

Alexxx [7]

First cylinder(V1) = $\pi$ r²h

insert 10 as r&h
⇒V1 = 1000 $\pi$

second cylinder(V2)= $\pi$ ×11.5² × 8 = 1058 $\pi$

V2-V1 = 58 $\pi$

100 × $\frac{58 \pi }{1000 \pi }$ = 5.8% increase

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Step-by-step explanation:

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Step 1 you need to cross multiply
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