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2 years ago

3/10+21/100 as a fraction

Mathematics

2 answers:

adell [148]2 years ago

7 0

Answer:

51/100

Step-by-step explanation:

3/10 + 21/100
=> 30/100 + 21/100
=> 51/100

Conclusion:

Therefore, 3/10 + 21/100 equals 51/100 as a fraction.

Hoped this helped.

$BrainiacUser1357$

soldi70 [24.7K]2 years ago

5 0

0.51000 which as smaller is 0.51

Step-by-step explanation:

simplify 21/ 100 then add 3/10 + 21/100 then simplify 3/10 then you would do 3×10+21/100 which equals 51/100

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the length of a rectangle is 16 inches and its area is (32x+48)square inches. factor the expression for the area. Write an expre

sweet-ann [11.9K]

The area of the rectangle is given as (32x+48)square inches

The question is asking us to factor this expression.The common factor of the two expression is 16.Taking 16 as the common factor we have:

(32x+48)= 16(2x+3)

The next part of the question is asking us to Write an expression for the width when length of the rectangle is 16 inches.

Area of rectangle = length x width

Let w represent the width of the rectangle.

16 (w) =16(2x+3)

Dividing both sides by 16.

w= 2x+3.

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Verdich [7]

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3 years ago

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Jon is launching rockets in an open field. The path of the rocket can be modeled by the quadratic function h(t) = -16t^2 + 96t,

IrinaVladis [17]

It will reach 80 feet for the second time after 5 seconds.

We set the equation equal to 80 feet:
80= -16t² + 96t

When solving quadratics, we want it equal to 0, so we subtract 80 from both sides:
80-80= -16t² + 96t - 80
0= -16t² + 96t - 80

We use the quadratic formula to solve:
$t=\frac{-96\pm \sqrt{96^2-4(-16)(-80)}}{2(-16)}
\\
\\t=\frac{-96\pm \sqrt{9216-5120}}{-32}
\\
\\t=\frac{-96\pm \sqrt{4096}}{-32}
\\
\\t=\frac{-96\pm 64}{-32}
\\
\\t=\frac{-96+64}{-32} \text{ or } 0=\frac{-96-64}{-32}
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4 years ago

What is the greatest number of rectangles 6cm x 4cm that can be cut from a piece of metal measures 16 cm x 20 cm?

Dominik [7]

Answer:

The greatest number of rectangles that can be cut from the piece of metal = 12

Explanation:

The dimension of the piece of metal = 16cm x 20cm

That is:

Length of the piece of metal = 20 cm

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Length of the rectangle = 6cm

Width of the rectangle = 4cm

The diagram below illustrates how the rectangles can be cut from the piece of metal

Considering the diagrams drawn above, and counting the rectangles formed, we can conclude that the greatest number of rectangles will be cut using the approach on the left, hence the greatest number of rectangles that can be cut is 12

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