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almond37 [142]
3 years ago
11

What’s the answer to 4x+3=15

Mathematics
1 answer:
Anastasy [175]3 years ago
3 0

Answer: 4.500

Step-by-step explanation:

4x - 18  =   2 • (2x - 9)

2   =  0

 2x-9 = 0

 2x = 9

x = 9/2 = 4.500

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Given m ||n, find the value of x <br> 167°
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13

Step-by-step explanation:

180-167= 13

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Decide a number by 5 and add 4 to the result
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14

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10 is a multiple of 5

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An investment pays 4.6% annual interest compounded monthly. If $3100 is
elena55 [62]

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I think it's 2566.8 if 4.6 is taken out of the account annually. I think that is what it is asking.. I'm only 13 so I'm not great at these yet but it should be right because I'm really good at math

Step-by-step explanation:

3 0
3 years ago
Which equation is correct
Sergeeva-Olga [200]
1. Two of the main identities used in trigonometry for right triangles (Triangles that have an angle of 90°) are: Sine (Sin) and Cosine (Cos).


 Sin x°=Opposite/Hypotenuse

 Cos x°=Adjacent/Hypotenuse

 2. The inverse of Sinx° is Cosec x°, then:

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 3. The inverse of Cos x° is Sec x°, then:

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 4. Keeping this on mind, you have:

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7 0
3 years ago
Read 2 more answers
Find the measure of the reference angle for an 11 radian<br> radian angle.
Vesnalui [34]

Answer:

  about 1.56637 radians ≈ 89.746°

Step-by-step explanation:

The reference angle in radians can be found by the formula ...

  ref angle = min(mod(θ, π), π -mod(θ, π))

Equivalently, it is ...

  ref angle = min(ceiling(θ/π) -θ/π, θ/π -floor(θ/π))×π

<h3>Application</h3>

When we divide 11 radians by π, the result is about 3.501409. The fractional part of this quotient is more than 1/2, so the reference angle will be ...

  ref angle = (1 -0.501409)π radians ≈ 1.56637 radians ≈ 89.746°

__

<em>Additional comment</em>

For calculations such as this, you need to use the most accurate value of pi available. The approximations 22/7 or 3.14 are not sufficiently accurate to give good results.

4 0
2 years ago
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