4 tens is equal to 40
2 ones is equal to 2
so the number is 42
Step-by-step explanation:
100-50=50
50/5=10
10/10=1 and
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Answer:
Step-by-step explanation:
Plot that point in the x/y coordinate plane to see that it sits in the third quadrant. From the point, draw a line to the origin, constructing a right triangle. The side adjacent to the angle is -2, the side across from the angle is -5, so we need to find the length of the hypotenuse using Pythagorean's Theorem:
and
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That means that
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It also means that
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Answer:
42 cm squared
Step-by-step explanation:
To find the shaded area, we need to find the total area and then subtract the areas of the 4 small rectangles.
The dimensions of the big rectangle are as follows:
- The length is simply the length of one of the small rectangles: 7
- The width is the length of one of the small rectangles <em>plus</em> the width of two of the smaller rectangles, so: 7 + 0.5 + 0.5 = 8
So, the area of the biggest rectangle is 7 * 8 = 56 cm squared.
Now, we need to find the areas of the 4 smaller rectangles. It's just length times width:
7 * 0.5 = 3.5
Multiply by 4 because there are 4 rectangles:
3.5 * 4 = 14 cm squared.
Finally, the shaded area is 56 - 14 = 42 cm squared.
Hope this helps!
