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velikii [3]
3 years ago
14

Can you please help me fill this out thanks

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
5 0

Answer:

30 mm

Step-by-step explanation:

There are 4 sides to this parallelogram. Two of the sides have 3 mm as the length and the other two have 12 mm.

         2 (3 mm) + 2 (12 mm)

         = 6 mm + 24 mm

         = 30 mm

creativ13 [48]3 years ago
4 0

Answer:

30

Step-by-step explanation:

Since the long side that is blank is the same length of 12 and the short side is the same length of 3.

12+12=24

3+3=6

24+6=30

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Answer:

The approx. length of a reptile that has a mass of 20.5 grams is 75

Step-by-step explanation:

y=0.3x-2

Okay so the value for y in the equation would be 20.5 so plug the value of y into the equation:

20.5 = 0.3x-2

And we are wanting to find the approximate length of a reptile that has a mass of 20.5 grams.

1. 20.5=0.3x-2

2. 20.5=\frac{3x}{10} -2

20.5=\frac{3x}{10} + \frac{10(-2)}{10}

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6 0
3 years ago
Hate to ask but help! 12 (5 - 5) + 3 x 5
Nana76 [90]

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8 0
2 years ago
Write and solve a quadratic equation for the situation below. Choose the answer that has both an equation that correctly models
Klio2033 [76]
Okay so the area of a rectangle x by y with a border of width b will be:

A=(x+2b)(y+2b)

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320=165+22x+30x+4x^2, now I am using x as the border width...

4x^2+55x+165=320  is the equation that they listed..

...

4x^2+55x-155=0  using the quadratic formula for efficiency...

x=(-55±√5505)/8  since x>0

x≈2.399  which for some unknown (incorrect) reason they rounded to

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4 0
4 years ago
The tile back splash will be a mixture of colors of four inch square tiles. One fifth of the tiles will be indian red three tent
Alinara [238K]
<h3>Answer:  1/3</h3>

=================================================

Explanation:

1/5 of the tiles are indian red

3/10 of the tiles are Tuscan blue

1/6 of the tiles are eucalyptus

x of the tiles are sand, where x is some fraction

The four fractions listed above add to 1. The "1" refers to a whole back splash, in which you can think of "1" as "100%"

-----------

We have the fractions 1/5, 3/10 and 1/6

To combine these fractions, we need a common denominator. In this case, the lowest common denominator (LCD) is 30 as this is the LCM of the denominators 5, 10, and 6.

Let's get each fraction to have a denominator of 30

1/5 = (6/6)*(1/5) = 6/30

3/10 = (3/3)*(3/10) = 9/30

1/6 = (5/5)*(1/6) = 5/30

-----------

So effectively we have these fractions: 6/30, 9/30, and 5/30

They add to the unknown fraction x to get 1

Let's solve for x.

-----------

(1/5) + (3/10) + (1/6) + x = 1

(6/30) + (9/30) + (5/30) + x = 1

(6/30 + 9/30 + 5/30) + x = 1

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x + 2/3 = 1

x+2/3-2/3=1-2/3 ... subtract 2/3 from both sides

x = 1 - 2/3

x = 3/3 - 2/3

x = (3 - 2)/3

x = 1/3

------------

1/3 of the tiles are the color of sand

6 0
3 years ago
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