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2 years ago

Please solve this problem and find the value of x

Mathematics

2 answers:

Liula [17]2 years ago

6 0

Answer:

x = 5

Step-by-step explanation:

Since the base angles are congruent then the triangle is isosceles with the 2 legs being congruent, then

9x - 5 = 4x + 20 ( subtract 4x from both sides )

5x - 5 = 20 ( add 5 to both sides )

5x = 25 ( divide both sides by 5 )

x = 5

Crazy boy [7]2 years ago

4 0

Answer:

Step-by-step explanation:

ok for this-

the equation is:

9x-5+4x+20

Step 1: Combine like terms

=9x+4x-5+20

Step 2: Add the numbers: -5 + 20 = 15

=9x+4x+15

=13x+15

Step 3: Divide 13x by 13 and 15

$= \frac{13x}{13} + \frac{15}{13}$

= 1.15 = x

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2 years ago

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4 years ago

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Citrus2011 [14]

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The answer is correct, here's why:

Step-by-step explanation:

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2 years ago

Find the volume of the cone in cubic feet. Use 3.14 for it and round your answer to the nearest tenth.

kenny6666 [7]

$\quad\hookrightarrow\quad \sf {5,790,806.5\:ft^3 }$

<h3>Ⲋⲟⳑⳙⲧⳕⲟⲛ:</h3>

Here, we area provided a cone with:

Radius = 48m
Height = 68 m

We have to find the volume of the cone in feet³, and we are given that 1m = 3.2808ft

<h3>Ⳙ⳽ⲓⲛⳋ ⳨ⲟⲅⲙⳙⳑɑ:</h3>

The volume of a cone is equal to one third of the volume of a cylinder having the same base radius and height ,i.e:

$\quad\longrightarrow\quad \sf { V =\dfrac{1}{3}\pi r^2 h }$

Therefore, Volume:

$\implies\quad \tt {V = \dfrac{1}{3}\pi r^2 h }$

$\implies\quad \tt { V =\dfrac{1}{3}\times 3.14 \times 48^2 \times 68 }$

$\implies\quad \tt { V =\dfrac{1}{\cancel{3}}\times 3.14\times \cancel{2304} \times 68}$

$\implies\quad \tt {V =3.14\times 768\times 68 }$

$\implies\quad \tt {V = 163,983.36}$

$\implies\quad \tt { V = 163,983.36 \times (3.2808)^3 \qquad\quad\bigg[ As, \: 1m = 3.2808ft\bigg]}$

$\implies\quad \tt {V = 163,983.36\times 35.30 }$

$\implies\quad\underline{\pmb{ \tt { V = 5,790,806.5 ft^3}}}$

‎ㅤ‎ㅤ‎ㅤ~Hence, the volume of given cone is 5,790,806.5 ft³.

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3 years ago

Please solve this problem and find the value of x​

Please solve this problem and find the value of x