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swat32
3 years ago
15

7/3(x+9/28) what is the answer

Mathematics
2 answers:
natulia [17]3 years ago
8 0

Answer:

x= - 9/28 ± √60/7

Step-by-step explanation:

Rzqust [24]3 years ago
7 0

so.... i got

                 7x            3

                  -        +     -

                   3              4

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Three sides of a triangle measure 8m, 14m, and 12m. Find the largest angle of the triangle to the nearest degree.
blsea [12.9K]
Perfect application for the Law of Cosines.

c^2 = a^2 + b^2 - 2ab cos C; here we want C, the angle opposite the 14 m side.

(14 m)^2 = (8 m)^2 + (12 m)^2 - 2(8 m)(12 m) cos C

196 = 64 + 144 - 192 cos C

         -12    = -192 cos C, or  cos C = 0.0625

Then C = arccos 0.0625 = 1.5083 radians
                      
                                             1.5083 radians       180 deg
                                       =  ----------------------- * -------------------
                                                          1                 3.14159 rad

                                        = 86.417 degrees

                                         = 86 degrees, when rounded off as specified.
5 0
3 years ago
What’s the problem??
eimsori [14]

https://www.khanacademy.org/math/ap-statistics/analyzing-categorical-ap/stats-two-way-tables/v/two-way-relative-frequency-tables

4 0
4 years ago
My siblings and I are a fierce squad of 4. We stand up for each other, always. we each want 7 halves of a YumYum cupcake.
Paha777 [63]

Answer: 1 and 3/4 cupcake

Step-by-step explanation: 7divided by 4 = 1.75 or in fractional form 1 and 3/4 cupcakes.

6 0
3 years ago
Find the length of a curve. y=(4-x^2/3)^3/2 from x=1 to x=8
Aneli [31]
y=\left(4-x^{2/3}\right)^{3/2}\implies y'=\dfrac32\left(4-x^{2/3}\right)^{1/2}\left(-\dfrac23x^{-1/3}\right)=-\dfrac{\left(4-x^{2/3}\right)^{1/2}}{x^{1/3}}

The arc length is given by

\displaystyle\int_1^8\sqrt{1+\left(-\dfrac{\left(4-x^{2/3}\right)^{1/2}}{x^{1/3}}\right)^2}\,\mathrm dx=\int_1^8\sqrt{\dfrac4{x^{2/3}}}\,\mathrm dx=\int_1^82x^{-1/3}\,\mathrm dx=9
7 0
3 years ago
PLEASE HELPP!!! 20 points!!
I am Lyosha [343]

Answer:

                                                             

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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