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dusya [7]
2 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]2 years ago
5 0

Answer:

B.

Step-by-step explanation:

.

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The scale of a map uses 10 cm for 30 km.<br> How many centimeters does it use for 9 km?<br> +
xxTIMURxx [149]

Answer:

3 km

Step-by-step explanation:

30 divided by 10 is 3.

9 divided by 3 is 3.

Therefore, your answer is 3.

8 0
2 years ago
write an equation to find the number of students in mr.boggs homeroom if the total number of stdents is 90
prohojiy [21]

The number of students in Mr. Boggs’s homeroom is equal to b. Add the total number of students in each class and set it equal to 90.

90 = b + 1.5(b + 2) + 15 + (2b – 9)

Use the Distributive Property, and collect like terms. 90 = b + 1.5b + 3 + 15 + 2b – 9

90 = 4.5b + 9

4 0
2 years ago
I really need some help with this, if someone could put in an answer that would be a lot of help!
Black_prince [1.1K]

For the information given, a line segment of 4 inches can be drawn

<h3>How to illustrate the segment?</h3>

For the 'copy', you would measure the line drawn, and duplicate it to the right, measuring it to make sure it is the exact length of the first line.

To bisect the original line segment, measure the line with a ruler or other device, and calculate 1/2 distance from one end, mark it, measure from left end to mark, make sure right section is equal in length.

Draw an angle of  90 degree and label it to avoid confusion. Now use a scale to draw a ray and label the vertex point so we can know  the point where to place compass. Use compass to draw an arc on angle. This angle will help you measure where to put the new point on our new angle.

Similarly draw the same arc  on the new ray. This is the first step in finding the new point. Then, use compass to measure the difference between the two places where the arc meets the angle on angle.

Furthermore, use the measurements from the previous step to draw another arc. This step is to help establish a point where the two arcs meet. Now draw a point where the two arcs met and drew a line through it.

Learn more about segment on:

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6 0
2 years ago
Elvera Hilton earns $12 an hour at her job. The hours she worked during each of the last four weeks are shown below
Minchanka [31]

Answer:

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6 0
1 year ago
Gran knitted many wash clothes for the school fundraiser. She sold 42 cloths at the sale. There were 11 washcloths left after th
defon

Answer:

53

Step-by-step explanation:

c=42+11

c=53

5 0
2 years ago
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