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JS28boss
11.07.2019 •
Mathematics
Ms. velez will use both x gray bricks and y red bricks to build a wall around her garden. gray bricks cost $0.45 each and red bricks cost $0.58 each. she can spend up to $200 on her project, and wants the number of red bricks to be less than half the number of gray bricks. select all inequalities that model this situation. x≥0 0 0.45x+0.58y< 200 x> 0 0 0.45x+0.58y≤200 (more than one answer)
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Ответ:
Let
x--------> the number of gray bricks
y--------> the number of red bricks
we know that
therefore
the answer is
x > 0
0.45x+0.58y≤200
Ответ:
b) the sum of six times a number and five
Step-by-step explanation:
The given expression is
, where b represents any number.
The above expression has two terms combined by addition operation.
In the first term there is one variable b and 6 as coefficient of b and the second term is a constant term of 5.
Therefore, the correct description of the given expression
is " the sum of six times a number and five".