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Anvisha [2.4K]
3 years ago
14

In the 30-60-90 triangle below, side s has a length of__and side q has a

Mathematics
1 answer:
KatRina [158]3 years ago
3 0

Answer:

Option E, 4, 4√3

Step-by-step explanation:

s = 4

q = 4√3

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It snowed 68.5 cm in one day. How much did it snow in meters?
kicyunya [14]

Answer: 0.685 meters

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
1. The radioisotope Iodine-123 is used in thyroid therapy. The half-life of this isotope is 13.27 hours.
Mandarinka [93]
1. Answer: D. <span>A = 100 (1/2)^t/13.27

</span>Exponent equation formula would be an= a0( 1+r)^t
In this question, the radio isotopes will become half of its weight after the half-life. So, the ratio would be -0.5 (r= -0.5)
The halftime is 13.27 hours, so the time will be divided by that number. The result would look like this:
an= a0( 1+r)^t
an= a0( 1-0.5)^t/13.27
an= a0( 1/2)^t/13.27

2. Answer: x= 74°

<span>The ladder and the building will make a right triangle with the ladder as the hypotenuse. 
The foot of the ladder is 2 feet from the building, so the adjacent side is 2ft.
It reaches a point 7 feet high on the building, so the opposite side is 7ft</span>
You can find the angle by using the tan equation

tan x= opposite / adjacent
tan x= 7/2= 3.5
x= 74°
7 0
3 years ago
which statement is true of the function f(x) = -³√x ? check all that apply. a). the function is always increasing. b). the funct
attashe74 [19]

<u>Answers</u>

The function has a domain of all real numbers . True

<em>The cube root of real number is also real. The negative sign is outside he radical so it cannot result to an imaginary number.</em>

The function is a reflection of y =³√x . True

The function is always increasing. False

<em>When getting the cube root of a number the result is alway smaller. So the domain of the function should be decreasing not increasing.</em>

The function has a range of {y|– < y < } . False

The function passes through the point (3, –27) . False

<em>When this values are substituted it the function they don't satisfy it. </em>

7 0
2 years ago
Read 2 more answers
The Environmental Protection Agency must visit nine factories for complaints of air pollution. In how many ways can a representa
kirill115 [55]

Answer:

The number of ways is  \left 9}\atop } \right. P _5 = 15120

Step-by-step explanation:

From the question we are told that

   The number of factories visited is  n = 9

    The number of factories to be visited by a representative  r = 5

The number of way to visit the 5 factories is mathematically represented as

         \left 9}\atop } \right. P _5 = \frac{9!}{(9-5)!}

Where P represents  permutation

  =>   \left 9}\atop } \right. P _5 = \frac{9 \ !}{4\ !}

 =>     \left 9}\atop } \right. P _5 = \frac{9 *8*7 * 6 * 5 * 4!}{4\ !}

=>    \left 9}\atop } \right. P _5 = 15120

8 0
3 years ago
Factor 2x2 - 9x - 5 using substitution.
Otrada [13]

Answer:

(2x+1)(x−5)

Step-by-step explanation:

5 0
3 years ago
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