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nlexa [21]
3 years ago
14

Help plsssss just some math Ik the answer just want to check

Mathematics
1 answer:
neonofarm [45]3 years ago
3 0
A c d hope this will help u
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Roy purchased a 2010 model sedan for $21,000. The dealership offered him a $149/month payment plan for 60 months, at the end of
diamong [38]
<h3>Answer:</h3>

$26,870.12

<h3>Explanation:</h3>

A financial calculator can tell you the future value (remaining balance) of the loan after 60 payments is $17930.12. The 60 payments total ...

... $149×60 = $8940

so the total amount paid for the vehicle is ...

... $8940 +17930.12 = $26,870.12

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The attachment shows the calculation of the remaining balance added to payments made to get to that balance. Negative amounts are amounts paid.

5 0
3 years ago
If sin42 degrees = 2/3 then cos48 degrees = what? <br> If tan20.5= 3/8, the tan69.5= what?
Anna11 [10]

Big ifs, question writers. These are of course approximations.

The "co" in cosine comes from complementary angles. It means since

42^\circ + 48 ^\circ = 90^\circ

\sin 42^\circ = \cos 48^\circ

Answer: cos 48° = 2/3

Similarly,

20.5^\circ +69.5^\circ = 90^\circ

\tan 69.5^\circ = \cot 20.5^\circ = \dfrac{1}{\tan 20.5^\circ} = \dfrac 8 3

Answer: tan 69.5° = 8/3

5 0
3 years ago
Which of the following inverse functions are defined for x=-1/2? Select all that apply.
Aleksandr-060686 [28]

Answer:

A, B, E, and F  

Step-by-step explanation:

sinx and cosx are defined for all values of x. So, sin⁻¹x and cos⁻¹x  are also defined for all values of x.  

A and E are correct.

tanx is defined for all values of x.

However, tan(nπ) = 0 at when n is an integer. So, tan⁻¹(±nx) is undefined. However, tan⁻¹(-½x) is defined, because -½ is not an integer.

B and F are correct.

C and D are <em>wrong</em>. Both sec⁻¹x  and csc⁻¹x are undefined when -1 < x < 1, and -½ is in this forbidden region.

4 0
3 years ago
What is the slope of (-3,1) and (1,-2)?<br><br> A. -4/3<br> B. 4/3<br> C. 3/4<br> D. -3/4
Bess [88]

Answer:

Step-by-step explanation:

(-3,1) and (1,-2)

Slope is m= - 3/4

3 0
3 years ago
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