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rosijanka [135]
2 years ago
7

(01.06)

Mathematics
1 answer:
Dmitry [639]2 years ago
4 0

Answer:

2

Step-by-step explanation:

2

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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
100 cm is equal to:<br><br> 0.1 m<br> 1,000 m<br> 10 m<br> 1 m
Flura [38]

Answer:

1m

Step-by-step explanation:

hope that helps

4 0
2 years ago
Read 2 more answers
Write in standard form an equation for the line with slope 1/3 through<br> the point (2,-2).
Alexxandr [17]

Answer:

x - 3y = 8.

Step-by-step explanation:

Use the point-slope form of the equation of a line:

y - y1 = m(x - x1)  where m = the slope and (x1, y1) is a point on the line.

So substituting the given values:

y - (-2) = 1/3(x - 2)

y + 2 = 1/3x - 2/3     Multiply through by 3:

3y + 6 = x - 2

x - 3y  =  6 + 2

x - 3y = 8  <---- Standard Form.

6 0
3 years ago
4 – 15 ÷ (30 – 33) =
cupoosta [38]

Answer: 9

Step-by-step explanation:

    We will use the Order of Operations to solve.

 Given:

4 – 15 ÷ (30 – 33)

 Subtract 33 from 30:

4 – 15 ÷ (– 3)

 Divide -15 by -3:

4 + 5

 Add 4 to 5:

9

7 0
2 years ago
Read 2 more answers
PLEASEEEE HELP ME WITH THIS ALGEBRA 1
AleksandrR [38]

Answer:

Step-by-step explanation:

total cost = tickets( c) +50

1400 = 4 (c) + 50

1350 = 4 (c)

337.50 = c

5 0
3 years ago
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