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arsen [322]
3 years ago
13

Please help me with 7 and 9. First best answer gets brainlist.

Mathematics
2 answers:
Montano1993 [528]3 years ago
7 0

I honestly have no idea

Kitty [74]3 years ago
3 0
I have never done that
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From the diagram below, if the sides AD = 3 and DC = 27, and BD = X + 3, find x.
Colt1911 [192]

Given:

• AD = 3

,

• DC = 27

,

• BD = x + 3

Let's solve for x.

To solve for x, apply the altitude formula:

\frac{AD}{BD}=\frac{BD}{DC}

Where BD is the altitude.

Cross multiply:

BD^2=AD*DC

Plug in the values and solve for x:

\begin{gathered} (x+3)^2=3*27 \\  \\ (x+3)^2=81 \end{gathered}

Take the square root of both sides:

\begin{gathered} \sqrt{(x+3)^2}=\sqrt{81} \\  \\ x+3=9 \\  \\ \text{ Subtract 3 from both sides:} \\ x+3-3=9-3 \\  \\ x=6 \end{gathered}

Therefore, the value of x is 6 .

ANSWER:

d. 6

4 0
1 year ago
1/3+2/5= <br> what does this equal in a fraction form
SVEN [57.7K]

Answer:

11/15

hope this helps

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Step-by-step explanation:

4 0
3 years ago
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What is the range? 5,10,5,4,5,10,3,10<br> Help me pls
Nady [450]

Answer: the answer is 7

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lukranit [14]

9514 1404 393

Answer:

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Step-by-step explanation:

Replace the digits 23 in your example with the digits 17 and you have your answer:

  0.\overline{17}=\dfrac{17}{99}

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In general, a 2-digit repeat will have 99 as its denominator. If the digits are a multiple of 3 or 11, then the fraction can be reduced. 17 is prime, so the fraction cannot be reduced.

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Solve for x.
Trava [24]

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Step-by-step explanation:

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