3 years ago

Write an explicit formula for an, the nth term of the sequence 15, 7, -1,....

Mathematics

1 answer:

lbvjy [14]3 years ago

5 0

Answer:

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The pack of 300 markers has a cost of $14.00. What is the UNIT COST for the markers? In other words, how much does each marker c

leva [86]

Answer:

Step-by-step explanation:

14/300=0.04

8 0

2 years ago

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Which of the following are identities? Check all that apply. A. cot2x + 1 = csc2x B. tan2x = 1 - sec2x C. sin2x = 1 + cos2x D. s

kirill115 [55]

I'll assume those are squares. We know D is an identity:

$\sin^2 x + \cos ^2 x = 1$

Dividing through by $\sin ^2 x$

$1 + \cot^2 x = \csc^2 x$

That's A.

Dividing the original through by $\cos ^2 x$

$\tan^2 x + 1 = \sec^2 x$

Not quite B, wrong sign on tangent.

C has the wrong sign on cosine squared as well.

Identities: A & D

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3 years ago

Parallel lines t and u are cut by two transversals, r and s, which intersect line u at the same point.

Bezzdna [24]

Answer:

Step-by-step explanation:

it was right on edge

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3 years ago

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A local shelter is having an Adopt-a-thon for kittens and puppies. Kittens cost $50 to adopt and puppies are $75. The shelter ma

Solnce55 [7]

Answer:

Step-by-step explanation:

P=2K

50K+75P=1200, using P from above makes this equation become

50K+75(2K)=1200

50K+150K=1200

200K=1200

K=6, since P=2K

P=2(6)=12

So 12 puppies and 6 kittens were adopted.

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3 years ago

Fill in the blanks please

ycow [4]

Answer:

Step-by-step explanation:

MNOP is a parallelogram Given

PM // ON opposite sides of parallelogram are parallel

∠ NOM = ∠ONP Alternate angles theorem

MN // OP opposite sides of parallelogram are parallel

∠NOP =∠ MNO Alternate angles theorem

ON = ON common to both triangles ΔOMN & ΔONP

ΔOMN ≅ ΔONP ASA congruent

PM ≅ ON CPCT -Corresponding Part of Congruent triangle

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3 years ago