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DerKrebs [107]
2 years ago
10

Evaluate expression 4+5.23 + 3 =​

Mathematics
1 answer:
zvonat [6]2 years ago
5 0

Answer:

12.23

Step-by-step explanation:

4+5.23 = 9.23

9.23 + 3 = 12.23

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Equation equivalent to 5x(3x+4)
Vika [28.1K]

use the distributive property

5x(3x+4)

15x^2 +20x

7 0
3 years ago
Read 2 more answers
Steve said it does not matter which term is first and which term is second in a ratio, since ratios are different than fractions
marishachu [46]

Ratio is a comparison of two values or two quantities.

Fraction is a another form of ratio.

The first term and the second term in the ratios are important.

It should not be changed.

The first quantity value is in first term and the second quantity value is in second term of the ratio.

Ratio and fractions are same.

Example:

The ratio of male to female in the school is 5 : 6.

5 represents male students and 6 represents female students.

The fraction form of the above ratio is \frac{5}{6} .

8 0
3 years ago
Find the remaining trigonometric functions of θ based on the given information.csc θ = 257 and cos θ < 0
katrin [286]
Cos(<span>θ) < 0, so we know it would be in Quadrant 2 or 3
then csc(</span>θ) = 257, but csc(θ) = \frac{1}{sin(θ)} = 257
==> sin(<span>θ) = \frac{1}{257}
it is positive, so now we can determine that is in Quadrant 2

sin(</span>θ) = opp./hyp both of opp and hyp are positive but adj suppose to negative because that way it leads the cos(<span>θ) < 0
</span>cos(<span>θ) = adj/hyp
</span>Pythereom to find the adj: 257^{2} -  1^{2}  = adj ==\ \textgreater \  adj  \sqrt{ 257^{2} -   1^{2} } ==\ \textgreater \  adj = 16 \sqrt{258}

cosθ = \frac{16 \sqrt{258} }{257} &#10;
tanθ = \frac{1}{16 \sqrt{258} }
cos<span>θ = </span>16 \sqrt{258}
6 0
3 years ago
I need helppppppppppppppppppppppppp
omeli [17]
The answer is sometimes 
3 0
3 years ago
-9/2+ 1/2 + 13/2 = -1/2 (8+13)
AysviL [449]

Answer:

−9

2

+

1

2

+

13

2

?

=

−1

2

(8+13)

2.5≠−10.5

False

Step-by-step explanation:

5 0
3 years ago
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