Mathematics, 19.04.2019 23:08 biglue19

What are the sine cosine and tangent of theta=7pi/4 radians

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Answer from: Quest

answer:

given: ad ≅ bc and ad ∥ bc

prove: abcd is a parallelogram.

statements reasons

1. ad ≅ bc; ad ∥ bc 1. given

2. ∠cad and ∠acb are alternate interior ∠s 2. definition of alternate interior angles

3. ∠cad ≅ ∠acb 3. alternate interior angles are congruent

4. ac ≅ ac 4. reflexive property

5. △cad ≅ △acb 5. sas congruency theorem

6. ab ≅ cd 6. corresponding parts of congruent triangles are congruent (cpctc)

7. abcd is a parallelogram 7. parallelogram side theorem

Answer from: Quest

answer:

2 % is the tax rate

step-by-step explanation:

the sales tax is equal to the original price of the item times the sales tax rate

sales tax= original price * tax rate

we know the original price and the sales tax

8.4 = 420 * tax rate

divide each side by 420

8.4/420 = 420/420 * tax rate

.02 = tax rate

multiply by 100% to get in percent form

2 % is the tax rate

Answer from: Quest

#8 is 2 9/10 because 10/10 is 1 and repeat that and which there’s 2 as a whole and there’s 9 left with icy stays in the fraction so it’s a mixed number
Ineed with number 8 and answer fast because i only have 11 minutes or else i get a f for my report

Ineed with number 8 and answer fast because i only have 11 minutes or else i get a f for my report

Answer from: Quest

Ithink the answer is d.number 5.hope this !

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What are the sine cosine and tangent of theta=7pi/4 radians...

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