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marin [14]
3 years ago
6

What does it mean to “solve for a variable”?

Mathematics
1 answer:
madam [21]3 years ago
4 0

Answer:

it means to find the undefined number

we should solve for the variable to find the answer to the equation

we solve for the variable by using the elimination method

Step-by-step explanation:

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Round your answer to the nearest hundredth.
Dmitry_Shevchenko [17]

tan 35 = BC / 2

0.700 = bc/2

bc = 1.4

3 0
2 years ago
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Ted bought a fishing pole for $35.99, and a pair of shorts for 14.99. He had a coupon for 25% off the shorts only. What was the
NeX [460]

Answer: I think it is 47.23


Step-by-step explanation: Because 25% of 14.99 = 11.2425 But 35.99+11.2425 dose not seem right so I pretty sure it would be 35.99+11.24= 47.23

-Alissa

Hopefully this is right.... sorry if it is wrong


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3 years ago
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Sin2A+Sin2B÷Sin2A-Sin2B=Tan(A+B)÷Tan(A-B) Prove that​
igor_vitrenko [27]

Take L.H.S sin2A+sin2B/sin2A-sin2B

= sin2A+sin2B/sin2A-sin2B

Put

[sinC+sinD = 2sin(C+D)/2cos(C-D)/2]

[sinC-sinD = 2cos(C+D)/2.sin(C-D)/2]

= 2 sin(2A+2B)/2 cos(2A-2B)/2 / 2 cos(2A+2B) sin(2A-2B)

= sin(A+B).cos(A-B)/cos(A+B).sin(A-B)

= sin(A+B)/cos(A+B) . cos(A-B)/sin(A-B)

= tan(A+B).cot(A-B)

= tan(A+B).1/tan(A-B)

= tan(A+B)/tan(A-B)

∴ Hence we proved sin2A+sin2B/sin2A-sin2B=tan(A+B)/tan(A-B)

8 0
2 years ago
Fifteen mothers were asked how many months old their babies were when they cut their first tooth. The results are shown below.
Leona [35]
Range 5
there are no outliers
4 0
3 years ago
Which pair of terms can be used to represent any two consecutive odd numbers? x and x + 1 x and x + 2 x and 2 x + 1 2 x and 2 x
polet [3.4K]

Answer:

x + x + 2

Step-by-step explanation:

cuz if its consecutive odd then its every 2 numbers so if x = 3 then you add two to x

4 0
3 years ago
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