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10mrodmg
24.02.2021 •
Mathematics
20-21 Geometry 1 CR (Farmer) / Module Two
What set of reflections would carry trapezoid ABCD onto itself? (1 point)
B
С
A
D
O x-axis, y=x, y-axis, x-axis
O x-axis, y-axls, X-axis
O y=x, X-axis, X-axis
O y-axis, X-axis, y-axis, X-axis
O
Solved
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Ответ:
Step-by-step explanation:
Given : Indira withdrew $20 from her account every day for 5 days, then deposited $45 into the account.
To Find: Which expression represents the change in the amount in her account?
Solution:
We are given that she withdrew in 1 day = $20
So, She withdrew in 5 days =![20 \times 5 =100](/tpl/images/0288/9920/a36c6.png)
Since she is withdrawing $100
So, withdrawal = -100
Then she deposited $45 into the account.
So, expression:![-100+45](/tpl/images/0288/9920/e893d.png)
-55 shows the change in the amount in her account
Negative sign shows that balance will be decrease by 55.
Hence expression:![-100+45](/tpl/images/0288/9920/e893d.png)