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dusya [7]
3 years ago
13

select the correct answer Linden is investigation where they're putting plastic on her window will help seal out called the wint

er draft she covers a window on the south side of her house with plastic and measure the inside temperature near the window she also measured the inside temperature near when do without plastic on the north side of her house the window or the same size and design why is that this is not an idle control investigation A the windows should be different sizes to introduce variation.B The drafts at each window may be different because the window aren't near each other. C Temperature isn't a good indicator of cold winter drafts.D Outside temperature is a better indicator of cold winter drafts than inside temperature,E the type of plastic used in the investigation is it mentioned.​
Mathematics
1 answer:
Vinvika [58]3 years ago
5 0

Answer:

B.

Step-by-step explanation:

.

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Which expressions are equal to 105?
Tamiku [17]

Answer:

103 and 102

Step-by-step explanation:

u add them together

6 0
3 years ago
The width of rectangle A is the sum of twice a number and 8. The length of the rectangle is 3 times as great as the width. If th
Galina-37 [17]
Formula for perimeter of a rectangle = 2(L + W)
let the number be x
width = 2x + 8
length = 3(2x + 8)
substitute respectively
96 = 2 (2x + 8 + 3(2x + 8)) open the bracket
96 = 2 ( 2x + 8 + 6x + 24) collect like terms
96 = 2 (8x + 32) open the bracket
96 = 16x + 64
collect like terms
96 - 64 = 16x
32 = 16x
divide both sides by 16
32/16 = 16x/16
2 = x
therefore, the width = 2x + 8 = 2(2) + 8 = 4 + 8 = 12.
and the length = 3(2x + 8) = 6x + 24 = 6(2) + 24 = 12 + 24 = 36.
4 0
3 years ago
Gabriella is x years old. Her sister, Felicia, is six years older than she is. Their mother is twice as old as Felicia. Their au
Yuri [45]
G = x
Felicia is Gabriella's age + 6
F = x + 6
Their mother is twice Felicia's age
M = 2(x + 6)  or  2x + 12
Tanya is the age of their mother plus Gabriella's age
A = 2x + 12 + x = 3x + 12
3x + 12
7 0
3 years ago
John typed a 48 word paragraph in 2/3 minute. What is the typing speed in words per minute​
serg [7]

Answer:  The answer is:  " 72 words per minute. "

___________________________

Step-by-step explanation:

___________________________

This is a "unit rate" problem.

We want to solve for/ find the number of words PER single minute.

___________________________

Given 48 words per (2/3) minute;

How many words per (one) minute?

__________________________

The answer is {48 ÷ (2/3) } words per minute:

 Note: dividing by a number is the same as multiplying by the reciprocal (inverse) of that particular number:

Hence:

__________________________

The answer is {48 * (3/2) } words per minute:

__________________________

 Write as:

  " \frac{48}{1} *\frac{3}{2} " ;

__________________________

  The "48" can be changed to "24" ; and the "2" can be changed to "1" ;

   → {Since: "48 ÷ 2 = 24 "} ;

___________________________

And we have:

___________________________

  " \frac{24}{1} *\frac{3}{1} = 24 * 3 = 72 " ;

___________________________

The answer is:  " 72 words per minute ."

___________________________

Hope this is helpful to you!

___________________________

4 0
3 years ago
Read 2 more answers
Help again please smh
mina [271]

Answer:

i think d but  i would have thought it would have been divided by 18 but i still think it is d

Step-by-step explanation:

let me know if it helps and if it was right

7 0
3 years ago
Read 2 more answers
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