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dsp73
2 years ago
10

How Can I Use Decimal Grids to model Tenths?

Mathematics
1 answer:
e-lub [12.9K]2 years ago
7 0
Understand that a decimal is any number written in the base-10 system. In common usage, the term "decimal" refers to a number that uses a decimal point to separate the ones place from tenths, hundredths, etc. Represent decimals using area models. State the fraction (tenths or hundredths) that is equivalent to a given decimal. Compare the values of decimals (tenths or hundredths) using area models and/or a number line. For example, compare the value of 0.8 and 0.21.Find a decimal that has a value between two other decimals. For example, find a decimal with a value between 0.3 and 0.4.
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Prove that the two circles shown below are similar. (10 points) Circle C is shown with a center at negative 3, 1 and a radius of
Tanya [424]

Answer:

Well, in reality, all circles are similar to each other. They will all have the same angles, and they don't really have side lengths. So, they are similar.

But to PROVE they are similar, we will transform Circle C to match circle E.

Circle C has a center at (-3, 1), and Circle E has a center of (4, 9). For Circle C to have the same center as Circle E, we will translate Circle C 7 units to the right, and 8 units up.

Since Circle C has a radius of 4, and Circle E has a radius of 3, dilate Circle C by a factor of 3/4. That way, the radius is 3 units as well.

And there you go! The two circles will map perfectly on top of each other.

Hope this helps!

5 0
3 years ago
Solve the measure of an angle is 161°. what is the measure of a supplementary angle?
lions [1.4K]
Supplementary angles sum up to 180°, suppose the supplement of 161° is x. Then
161+x=180
solving for x we subtract 161 from both sides
161-161+x=180-161
x=19
thus the supplement is 19°


4 0
3 years ago
Help please<br><br> how many should I use
andre [41]

Answer:

you should put 6 because 3/8 X 6 =18/8=2 2/6

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
X+y=c x/y=p/q please find x and y
Paul [167]

Step-by-step explanation:

x=c-y. / x=py/q

y=c-x. / y=xq/p

7 0
3 years ago
Read 2 more answers
Perform the operation 8-1/2+5-1/8
IrinaVladis [17]

Answer:

12.375 is believed to be the correct answer

7 0
3 years ago
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