elizabethseoane6321
08.11.2019 •
Mathematics
Apostcard has an area of 24 square inches. two enlargements
of the postcard have areas of 54 square inches and 96 square
inches. in each postcard, the length is 1 times the width
which of the following could be the dimensions of the postcard
or one of the enlargements? mark all that apply.
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Ответ:
Ответ:
x=8
Step-by-step explanation:
The ratio of the sides is 7:14=1:2. So, the ratio of DF:XZ is 1:2. DF=2x-5, and XZ=22. This makes the ratio. 2x-5:22=1:2. That means 2x-5 is half of 22, which is 11. We can solve from there.
2x-5=11Add 5, 2x=16Divide by 2, x=8Check your work:
2(8)-5=1116-5=1111=11