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Ber [7]
3 years ago
5

How do i find the missing side length?

Mathematics
1 answer:
Kryger [21]3 years ago
3 0
Use the Triangle Rules.

For 30-60-90 Triangles

So The hypotenuse would be 6(sqrt 3)

That would make the long side 18.

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Solve the equation 3/4x+3-2x = -1/4+1/2x+5
elena55 [62]
Hi there! The answer is x = -1

Let's solve this equation step by step!
\frac{3}{4} x + 3 - 2x = - \frac{1}{4} + \frac{1}{2} x + 5

First collect terms.
- 1 \frac{1}{4} x + 3 = \frac{1}{2} x + 4 \frac{3}{4}

Subtract (1/2)x from both sides.
- 1\frac{3}{4} x + 3 = 4 \frac{3}{4}

Subtract 3 from both sides.
- 1\frac{3}{4} x = 1 \frac{3}{4}

And finally divide by -1 3/4
x = \frac{7}{4} \div - \frac{7}{4} = \frac{7}{4} \times - \frac{4}{7} = - \frac{28}{28} = - 1
8 0
4 years ago
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Which statement is true regarding the sides of a triangle
yulyashka [42]
The statement that is true regarding the sides of a triangle is the last one because the top and bottom have to be identical to each other and the sides have to be identical to each other.
6 0
3 years ago
Which of the following points is a solution of |x|=-5
Naily [24]
An absolute value of any number cannot result in a negative number.

There are no possible points where |x| can equal -5.
4 0
3 years ago
If a and b are positive numbers, find the maximum value of f(x) = xa(7 â x)b on the interval 0 ⤠x ⤠7.
algol [13]
Given f(x)=x^a(7-x)^b on the interval 0 ≤ x ≤ 7, for maximum value, f'(x) = 0.

f'(x)=0 \\  \\ \Rightarrow -bx^{a}(7-x)^{b-1}+ax^{a-1}(7-x)^b=0 \\  \\ \Rightarrow ax^{a-1}(7-x)^b=bx^{a}(7-x)^{b-1} \\  \\ \Rightarrow a(7-x)=bx \\  \\ \Rightarrow (a+b)x=7a \\  \\ \Rightarrow x= \frac{7a}{a+b}
8 0
3 years ago
Convert 2/7 into a fraction with a denominator of 28.<br><br> 2/28<br> 8/28<br> 4/28<br> 6/28
sashaice [31]

We multiply by 4 to go from a denominator of 7 to 28 so we must do that do the numerator as well:

\dfrac 2 7 = \dfrac 2 7 \times \dfrac 4 4 = \dfrac{8}{28}

Answer: 8/28


8 0
3 years ago
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