Answer:
x = 45/2 = 22.5 cm
Step-by-step explanation:
2x + 45 = 90
2x = 90- 45= 45
2x = 45
x = 45/2 = 22.5 cm
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Answer:
11.4 x 10 ^ 6
Step-by-step explanation:
- First, you have to convert 3.8 x 10^5 out of scientific notation. To do that, multiply 3.8 * 10^5, you'll get 380,000. This is the weight of each whale.
- Now multiply the weight of each whale times 30. 380,000 * 30 = 11,400,000
- Convert back to scientific notation. 11.4 x 10^6
Divide by 2.5: 2.5(12.75x+24.50)/2.5 = 188.75/2.5 .
simplify: 12.75x + 24.50=75.5 .
subtract 24.50 from both sides
simplify: 12.75x = 51 .
x= 4.
It's not rigid because dilations (scale factor not equal to 1) change the length of the segments, or the distances between the points. You'll get a similar figure but it won't be congruent. For example, if the scale factor is 3, then the distances will be three times as large; or the lengths will be 3 times as long.
To be "rigid", the lengths must be kept the same. In contrast, a reflection is rigid because the distances are kept the same. The only thing changing is the orientation (clockwise to counter-clockwise, or vice versa).
Answer:
Below.
Step-by-step explanation:
2 3/5 + 8 1/2
= 2 + 8 + 3/5 + 1/2
= 10 + 3/5 + 1/2
The LCM of 5 and 2 is 10 so we get:
10 + 6/10 + 5/10
= 10 + 11/10
= 10 + 1 1/10
= 11 1/10 feet.
