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Nana76 [90]
3 years ago
14

Need Help! Solve for x

Mathematics
1 answer:
daser333 [38]3 years ago
7 0

Answer:

x=19

Step-by-step explanation:

\frac{30}{x+5+30} =\frac{20}{36}

700+20x=1080

20x=380

x=19

You might be interested in
Tri-Star Industries employs electrical, plumbing, and air conditioning technicians. Their home office is made up of three square
Molodets [167]

Answer:

6084 \text{ft}^2.

Step-by-step explanation:

Please find the attachment.

We have been given that  the home-office of Tri-star industries is made up of three square buildings, one for each department, with a triangular atrium in the middle. The area of the Plumbing building is 5,184 \text{ft}^2 and the area of the A/C building is 900 \text{ft}^2.

We know that area of square is square of its side length. Since all building are squares, so to find the area of electrical building, we will use Pythagoras theorem.

a^2+b^2=c^2

We can see from our attachment that side length of electrical building is hypotenuse (c) of the right triangle.

Upon substituting our given information in Pythagoras theorem, we will get:

5184+900=c^2

6084=c^2

Therefore, the area of electrical building is 6084 square feet.

3 0
4 years ago
How many times can 5 go into 1620
kaheart [24]
1620/ 5 is =324
To check just multiply
5 * 324
5 0
3 years ago
17. Summarize the order of operations for evaluating expressions. Use complete sentences.
ohaa [14]
PEMDAS
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Use these in order to get the correct answer.
3 0
4 years ago
Read 2 more answers
Solve similar triangles (basic)
fiasKO [112]

Answer:

<em>T </em><em>=</em><em> </em><em>1</em><em>6</em>

Step-by-step explanation:

As triangles are similar

AB/DE = BC/EF = AC/DF

13.5/18 = 6/4 = 12/T

3/4 = 3/4 = 12/T

3/4 = 12/T

T = 12×4/3

T = 16

4 0
2 years ago
Describe how you can tell that a fraction corresponds to a repeating decimal and not a terminating decimal
horrorfan [7]
When a fraction corresponds to a repeating decimal, it's denominator is 9 or 99.

For example, 4/11 = 36/99 = 0.36 with bar notation over 36.

Example #2: 2/3 = 6/9 = 0.666....
or also written as 0.6 with bar notation over 6.

You know a fraction responds to a terminating decimal because it can be simplified to a terminating decimal.

Example: 2/4 = 0.5
8 0
3 years ago
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