Mathematics, 16.10.2019 13:00 cxmochaa
The perimeter of a rectangle is 68 ft. find the dimensions of the rectangle if the ratio of the length to the width is 9 : 8. which of the following would be the best equation to use to solve this problem?
a. 2x + 2x = 68
b. (9 + 8) = 68x
c. 9x + 8x = 68
d. 2(9x) + 2(8x) = 68
Answers: 1
Mathematics, 21.06.2019 18:00
Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares
Answers: 1
Mathematics, 21.06.2019 23:10
Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?
Answers: 2
The perimeter of a rectangle is 68 ft. find the dimensions of the rectangle if the ratio of the leng...
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