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Sveta_85 [38]
3 years ago
11

Can someone help me? Thanks! :)

Mathematics
2 answers:
attashe74 [19]3 years ago
7 0

Answer:

75 is the length of the third side

Ratling [72]3 years ago
5 0

Answer:

The unknown side to the triangle is 75 cm.

Step-by-step explanation

Let x be the length of the unknown side:

x^2 + 40^2 = 85^2

x^2 + 1600 = 7225

x^2 = 7225 - 1600

x^2 = 5625

x = 75

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Which of the following is equivalent to the complex number -8(7i - 3i^2)
Leni [432]

Answer:  B) -56i - 24

This is the same as -24 - 56i

=============================================

Explanation:

The 'i' refers to the imaginary number \sqrt{-1}

In other words, i = \sqrt{-1}

Squaring both sides gets us i^2 = -1

So,

x = -8(7i - 3i^2)\\\\x = -8(7i - 3(-1))\\\\x = -8(7i + 3)\\\\x = -8(7i) -8(3)\\\\x = -56i -24 \ \ \text{ .... Answer: Choice B}\\\\x = -24 - 56i\\\\

The result is in the form a+bi where a = -24 is the real part and b = -56 is the imaginary part.

7 0
3 years ago
Part A: Find the GCF of 56 and 96. It is 8, already did this
enot [183]

Question: Part A: Find the GCF of 56 and 96. It is 8, already did this

Part B: Using the GCF you found in Part A, rewrite 56 + 96 as two factors. One factor is the GCF and the other is the sum of two numbers that do not have a common factor. Show your work.

Answer & explanation: Quick-Start Guide. When you enter an expression into the calculator, the calculator will simplify the expression by expanding multiplication and combining like terms. This website will help you out, I think! https://wpblog.wyzant.com lessons Expression Factoring Calculator – Wyzant Lessons

3 0
3 years ago
Translate the sentence into an equation.
lozanna [386]
9w - 7 = 5

9w= 5+7

9w=12

w= 4/3 or 1.33
3 0
3 years ago
121degree 22' 36'' is like same as what?
Darina [25.2K]
22' is 22 minutes
there are 60 minutes in 1 degree, how many in 22? well, the short answer is you divide it by 60, or 22/60 0.37 or thereabouts, so that makes it 

121.037 degrees and 36''

36'' is 36 seconds, there are 60 seconds in 1 minute, so in short, just divide it by 60 as well, so 36/60 or 0.6 minutes

so, let us revise above some

121 degrees 22' and 36''

22' and 36'' is 22.6'  because 36'' is 0.6'

how much is 22.6' in degrees?  well 22.6/60
or about .38

so. 121° 22' 36'' will  be 121.38° approximately
5 0
3 years ago
Solve the equation.
aksik [14]

Answer:

x = -1

Step-by-step explanation:

\frac{2}{3} - 4x + \frac{7}{2} = -9x + \frac{5}{6}

Add 4x to each side of the equation

\frac{2}{3} - 4x + \frac{7}{2} + 4x = -9x + \frac{5}{6} + 4x

\frac{2}{3} + \frac{7}{2} = -9x + \frac{5}{6} + 4x

Subtract ⅚ from each side

\frac{2}{3} + \frac{7}{2} - \frac{5}{6} = -9x + \frac{5}{6} + 4x - \frac{5}{6}

\frac{2}{3} + \frac{7}{2} - \frac{5}{6} = -9x + 4x

\frac{4 + 21 + 5}{6} = -5x

\frac{30}{6} = -5x

5 = -5x

Divide both sides by -5

\frac{5}{-5} = \frac{-5x}{-5}

-1 = x

x = -1

8 0
3 years ago
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