sayedabdullah
22.04.2020 •
Mathematics
A store makes a profit of 25$ on each graphing calculator it sells. how many calculators must the store sell to make a profit of at least $275? follow this ex.: x>25
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Ответ:
11
Step-by-step explanation:
Hello!
Analyzing the key words in the word problem, we can see that it is representing division.
To make at least $275, n * 25 ≥ 275.
25n ≥ 275
n ≥ 11
Thus, we can see that the store must sell at least 11 calculators to fulfill the given requirements.
As an inequality, it is
Hope this helps!
Ответ:
Step-by-step explanation:
Right triangle ABC is reflected over AC to form triangle AFC.
Triangle AFC dilated by a scale factor of two-thirds to form triangle DEC.
Reflection is a rigid transformation which preserves lengths and angles, then
Dilation is a transformation which maps the triangle into similar triangle, so
Thus,
Similar triangle have congruent corresponding angles, so
and proportional corresponding sides
Thus, correct options are: