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3 years ago

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In the rectangle below AC has a length of 28. What is the length of ED? If necessary, round your answer to two decimals places.

2 answers:

Andre45 [30]3 years ago

7 0

Answer is ED has a length of 14.

i hope this helps and have a wonderful day :)

expeople1 [14]3 years ago

3 0

<span>The diagonals of a rectangle have equal lengths. Since AC has a length of 28, and AC is a diagonal, the other diagonal BD also has a length of 28. The diagonals of a rectangle also bisect each other. So diagonal BD is bisected by the other diagonal AC at point E. And since diagonal BD has a length of 28 then BE and ED both have a length which is of 28, or 14 each.

Answer: ED has a length of 14.</span>

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Which number is not greater than 0.64<br>A. 0.64 <br>B. 0.67<br>C. 0.46<br>D. 0.66

fomenos

I think the answer is C. 0.64

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which pair of ratios forms a proportion? hint: check for cross products. a. 6/9=9/12 b. 8/16=10/21 c. 6/15=10/25 d. 4/14=6/27

Anna35 [415]

Answer:

c. 6/15 = 10/25

Step-by-step explanation:

Using the hint, we can form the cross products of the offered choices:

a. 6(12) vs 9(9) ⇒ 72 vs 81 . . . not a proportion

b. 8(21) vs 16(10) ⇒ 168 vs 160 . . . not a proportion

c. 6(25) vs 15(10) ⇒ 150 vs 150 . . . IS A PROPORTION

d. 4(27) vs 14(6) ⇒ 108 vs 84 . . . not a proportion

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6/15 = 10/25

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Question Help In 2005, it took 20.29 currency units to equal the value of 1 currency unit in 1917. In 1990, it took only 13.10 c

bezimeni [28]

Answer:

The amount it took in 2011 to equal the value of 1 currency unit in 1917 was of 24.091 currency units.

The amount it took in 2019 to equal the value of 1 currency unit in 1917 was of 28.031 currency units.

Step-by-step explanation:

The value needed to equal the value of 1 currency unit in 1917, in x years after 1990, is given by:

$V(x) = 0.4925x + 13.7485$

a) Use this function to predict the amount it will take in 2011 and in 2019 to equal the value of 1 currency unit in 1917

2011 is 2011 - 1990 = 21 years after 1990, so we have to find V(21).

$V(21) = 0.4925*21 + 13.7485 = 24.091$

The amount it took in 2011 to equal the value of 1 currency unit in 1917 was of 24.091 currency units.

2019 - 1990 = 29, so we also to find V(29).

$V(29) = 0.4925*29 + 13.7485 = 28.031$

The amount it took in 2019 to equal the value of 1 currency unit in 1917 was of 28.031 currency units.

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3 years ago