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olya-2409 [2.1K]
4 years ago
5

Please answer this in two minutes

Mathematics
1 answer:
BabaBlast [244]4 years ago
8 0

Answer:

<h2>             k = 4    </h2>

Step-by-step explanation:

It is half of equilateral triangle where 2√3 is its hight so:

2\sqrt3=\frac{k\sqrt3}2\\\\4\sqrt3=k\sqrt3\\\\k=4

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40 points | Sierra and Alek each have five cousins. Their ages are listed below.
faust18 [17]

Find the mean for both:

Sierra: 2 + 11 + 12 + 13 + 15 =  53

53/5 =10.6

Median is the middle value = 12

Alek: 9 + 11 + 11 + 12 + 13 = 56

56/5 = 11.2

Median = 11

A: The medians do not equal the mean.

B: Sierra's are more spread out, ( no identical ages and a greater range ).

C: Sierra's mean is less than Alek.

D. Sierra has an outlier (2).

The answer would be B

8 0
3 years ago
Simplify the rational expression. state any excluded values. <br><br> x^2-3x-10/x+2
Natali5045456 [20]

Answer:

The answer to your question is  x - 5 or x = 5

Step-by-step explanation:

                                           \frac{x^{2} -3x - 10}{x + 2}

1.- Factor the numerator

                                       x² - 3x - 10

    find 2 numbers that added equal -3 and multiply equal -10.

    These numbers are -5 and + 2

                                     (x - 5)(x + 2)

2.- Simplify

                                     \frac{(x - 5)(x + 2)}{x + 2)}

Delete (x +2) in both numerator and denominator

3.- Result                       x - 5

                                      x = 5

7 0
3 years ago
You are at the bottom of a mountain where the temperature is 74°F. The top of the mountain is 5500 feet above you. What is the t
KIM [24]

F<span>or every 1,000 feet you go up in elevation</span>, <span>the temperature decreases by about 3.3°F</span>

 

Given:

Temperature at the bottom of the mountain is 74°F

The top of the mountain is 5500 feet above you

 

Change (reduction) in temperature is 3.3 X 5500 / 1000

= 18.15°F

 

Temperature at the top of the mountain is 74°F – 18.15°F

= 55.85°F

6 0
4 years ago
Can someone help me wih this?
irinina [24]
What grade is that?................
4 0
4 years ago
Tanisk walks around a square-shaped park twice and covers 800 m. What is the area of this park?
andrew11 [14]

2 \times 2 \times \pi \times  r = 800

4 \pi r= 800

\pi r = 200

\frac{22}{7} r = 200

\frac{22}{7}r^2= 200 r

Area = \pi r^2

= 200 r

6 0
3 years ago
Read 2 more answers
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