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Misha Larkins [42]
3 years ago
6

Please help!! The solution of the equation is x = ? .

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
5 0

Answer:

as below

Step-by-step explanation:

\frac{2}{7} = \frac{6x}{4x + 17}

2(4x + 17) = 7(6x)

8x +34 = 42x

34 = 42x-8x

34 = 34x

\frac{34}{34} = x

1 =x   :)

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PLEASE ANSWER WITH AN EXPLANATION! THANK YOU
lubasha [3.4K]

Answer:

\large\boxed{A=153\ cm^2}

Step-by-step explanation:

<em>Look at the picture.</em>

We have

square with side length a = 9

trapezoid with base lengths b₁ = 9 and b₂ = 6 and the height length h = 6

right triangle with legs lengths l₁ = 3 + 6 = 9 and l₂ = 6

The formula of an area of a square

A=a^2

Substitute:

A_I=9^2=81\ cm^2

The formula of an area of a trapezoid:

A=\dfrac{b_1+b_2}{2}\cdot h

Substitute:

A_{II}=\dfrac{9+6}{2}\cdot6=\dfrac{15}{2\!\!\!\!\diagup_1}\cdot6\!\!\!\!\diagup^3=(15)(3)=45\ cm^2

The formula of an area of a right triangle:

A=\dfrac{l_1l_2}{2}

Substitute:

A_{III}=\dfrac{(9)(6)}{2}=\dfrac{54}{2}=27\ cm^2

The area of the shape:

A=A_I+A_{II}+A_{III}\\\\A=81+45+27=153\ cm^2

8 0
3 years ago
What is the area of the triangle? 24,25,7<br>Pls pls helpp!!!!
Ksju [112]

Answer:

84

Step-by-step explanation:

A= 1/2• bh

A= 1/2•24(7)

3 0
3 years ago
Read 2 more answers
Write an exponential function in the form y = abthat goes through points (0,2)
Thepotemich [5.8K]
Answer
5/20 so 25%
Explanation
5 0
2 years ago
30 POINTS please help me!
Stels [109]
To prove a similarity of a triangle, we use angles or sides.

In this case we use angles to prove

∠ACB = ∠AED (Corresponding ∠s)
∠AED = ∠FDE (Alternate ∠s)

∠ABC = ∠ADE (Corresponding ∠s)
∠ADE = ∠FED (Alternate ∠s)

∠BAC = ∠EFD (sum of ∠s in a triangle)

Now we know the similarity in the triangles.

But it is necessary to write the similar triangle according to how the question ask.

The question asks " ∆ABC is similar to ∆____. " So we find ∠ABC in the prove.

∠ABC corressponds to ∠FED as stated above.
∴ ∆ABC is similar to ∆FED

Similarly, if the question asks " ∆ACB is similar to ∆____. "
We answer as ∆ACB is similar to ∆FDE.

Answer is ∆ABC is similar to ∆FED.
7 0
3 years ago
Please help me please
ella [17]

Answer:

-4??

Step-by-step explanation:

4 0
2 years ago
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