Answer:
3.2
Step-by-step explanation:
Step 1: Multiply the whole number by the denominator: 3 × 5 = 15.
Step 2: Add the product you got in Step 1 to the numerator: 15 + 1 = 16.
Step 3: Divide the sum from Step 2 by the denominator: 16 ÷ 5 = 3.2. That's it folks!
Answer:
B) BC'= 8, m A'= 28°
Step-by-step explanation:
When dilating a figure, it increases its size or decreases. In this case, as it is dilating by a factor of 1/2, you can assume it decreases.
To find the value of the new figure, A'B'C', you have to multiply the factor times the lengths of the triangle, or, the only one they are asking for in this case, the length BC':
- BC' = BC×1/2
- BC' = 16×1/2
- BC' = 8
The angles, otherwise, do not change. When figures are dilated, they are similar. The properties of similar figures are that they have congruent angles, therefore, the same angles. They do not have any effect caused by the factor, so m A' stays at 28°.
-6 minus parentheses -1 parentheses
-6 - (-1)
When there are two negatives, they cancel out to create a positive.
-6 + 1
The answer is -5.
Answer: The correct answers are A, B, C.
Step-by-step explanation: the mean of this week’s temperatures
the mean of last week’s temperatures
the range of this week’s temperatures
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3 x 12 then divide the answer with 4
