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strojnjashka [21]
3 years ago
10

What is the value of x

Mathematics
1 answer:
Afina-wow [57]3 years ago
6 0

Answer:

4

Step-by-step explanation:

Sin(30) = LJ/8sqrt(3)

Sin 30 = ½

LJ = 4sqrt(2)

LM = JM = x

x² + x² = (4sqrt(2))²

2x² = 32

x² = 16

x = 4

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A cube has a volume of 0.215ft³. What is te length of each side of the cube?
enyata [817]

Answer:

length ≈ 0.599 feet

Step-by-step explanation:

volume = length³

0.215ft³ = length³

cube root both sides to isolate the length

∛(0.215ft³) = length

length ≈ 0.599 feet

6 0
2 years ago
WILL GIVE BRAINLIEST‼️‼️ If the mean of the following frequency distribution is 24; determine the value of p.​
liq [111]
<h2>Answer- P=<u>18</u></h2>

Step-by-step explanation:

Greetings !

Firstly, find the class-midpoints (X) to solve for the mean.

Thus, mid points of each classes are

5.15.25.35.45

Solve, for <em>p</em><em> </em>using mean grouped data formula

\frac{5(3) + 15(4) + 25(p) + 35(3) + 45(2)}{3 + 4 + p + 3 + 2}  = 24

multiply each values add them and solve for <em>p</em><em>.</em>

<em>\frac{15 + 60 + 25p + 105 + 90}{12 + p}  = 24</em>

make a cross multiplication

270 + 25p = 24(12 + p)  \\ 270 + 25p = 288 + 24p

subtract 270 from both sides

270 + 25p - 270 = 288 + 24p - 270 \\ 25p = 24p + 18

subtract <em>24</em><em>p</em><em> </em>from both sides

25p - 24p = 24p + 18 - 24p \\ p = 18

Also refer the attached image for further details

Hope it helps!

5 0
2 years ago
Find the value of x.​
Strike441 [17]

Answer: The value of x is 7

Step-by-step explanation:

3 0
3 years ago
Describe the graph that is produced by the equation (x-7)^2+(y+5)^2&gt;25
Alborosie

Step-by-step explanation:

The equation will form a circle because it in the form of

(x - h) {}^{2}  + (y  - k) {}^{2}   =  {r}^{2}

First, let set the equation equal.

(x - 7) {}^{2}  + (y + 5) {}^{2}  = 25

Here the center will be (7,-5), and the radius of 5. The boundary line will be dashed

Since this is in the inequalities, we must find the solution set.

Plug in 0,0 for x and y and see if it's true.

(0 - 7) {}^{2}  + (0 + 5) {}^{2}   >  25

49 + 25 > 25

74 > 25

This is a true so we shade the region that includes 0,0

Since 0,0 has a greater distance from the center of the circle, 0,0 is outside of the circle, so our solution set will

be outside of circle.

Here a picture of graph,

8 0
2 years ago
Help please!! Thank you!
Bingel [31]

Answer:

Step-by-step explanation:

tha answer is c

3 0
3 years ago
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