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2 years ago

What is the Reciprocal of 5 1/2

Mathematics

1 answer:

charle [14.2K]2 years ago

4 0

Answer:

2/11

Step-by-step explanation:

A reciprocal is a number or fraction flipped. So, 5 1/2=11/2. 11/2 flipped is 2/11.

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pychu [463]

Answer:

$32.25

Step-by-step explanation:

$53.75 ÷ 5 = $10.75

$10.75 × 3 = $32.25

3 0

2 years ago

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Ten cupcakes cost 15$. How much does one cupcake cost?

slega [8]

Answer:

1.5$

Step-by-step explanation:

10 cupcakes =15$

so, 1 cupcake = 15/10

i.e. 1.5

.: 1cupcake cost = 1.5$

7 0

2 years ago

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The altitude (i.e., height) of a triangle is increasing at a rate of 2 cm/minute while the area of the triangle is increasing at

aksik [14]

The formula for the area of a triangle is
$A=\frac{1}{2}bh$
$\rightarrow\frac{dA}{dt}=\frac{1}{2}(b\frac{dh}{dt}+h\frac{db}{dt})$

We are given:
$\frac{dh}{dt}=2$
$\frac{dA}{dt}=4.5$
$h=9.5$
$A=92$

Plug in:
$4.5=\frac{1}{2}(b*2+9.5\frac{db}{dt})$
We can find $b$ with:
$A=\frac{1}{2}bh\rightarrowb=\frac{2A}{h}=\frac{2*92}{9.5}=\frac{184}{9.5}$
So $4.5=\frac{1}{2}(2*\frac{184}{9.5}+9.5\frac{db}{dt})$
$\rightarrow9=\frac{368}{9.5}+9.5\frac{db}{dt}$
$\rightarrow9-\frac{368}{9.5}=9.5\frac{db}{dt}$
$\rightarrow\frac{db}{dt}=\frac{9-\frac{368}{9.5}}{9.5}\approx-3.130$

So the base is decreasing at a rate of 3.130 cm/minute.

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2 years ago

Rover can trave 450 feet per hout on surface of mars how many inches can it travel in 1 min

taurus [48]

It can travel 7.5 inches a minute

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3 years ago

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Please help I am in trouble

IRISSAK [1]

Answer:

y decreases by 4 as x increases by 2

there is a -2 change between the relationship of x and y

I hope I understood the question correctly

5 0

2 years ago