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olchik [2.2K]
3 years ago
6

Find the missing length

Mathematics
1 answer:
wel3 years ago
6 0

Answer:

I think it is 35

Step-by-step explanation:

Proportions

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Could someone please explain/help me to do this using Pythagoras theorem?
alex41 [277]

Answer:

\boxed{478.02}

Step-by-step explanation:

→ First understand what Pythagoras theorem is

Pythagoras is a theorem used to find the hypotenuse (the side opposite to the right-angle) of a triangle. We would need the base lengths as well the height in order to use Pythagoras.

→ State the formula and identify the letters

a² + b² = c² ⇒ where 'a' is 380cm, 'b' is 290cm and 'c' is what we are trying to work out

→ Substitute in the values into the formula

380² + 290² = c²

⇒ Simplify

144400 + 84100 = c²

⇒ Collect the numbers together

228500 = c²

⇒ Square root both sides to find 'c'

478.0167361 = c

→ The length of the diagonal is 478.02

8 0
3 years ago
A scale drawing for a rectangular parking lot is shown. Find the area of the scale drawing.
zhenek [66]

Answer:

113.52 sq cm

Step-by-step explanation:

13.2 times 8.6 is 113.52. You get area by multiplying a length and a width.

7 0
3 years ago
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A box contains 2 plain pencils and 2 pens. A second box contains 3 color pencils and 5 crayons. One item from each box is chosen
Lapatulllka [165]

Answer:

50% pen first box and 62.5% crayon from second box

Step-by-step explanation:

The first box contains 4 items, 2 of each. This means there are \frac{2}{4} pens. This gives you a \frac{2}{4} chance of picking out a pen. This can be written as 50%.

The second box contains 8 items, 3 color pencils and 5 crayons. This means \frac{5}{8} of the contents are crayons, meaning you have a \frac{5}{8} or 62.5% chance of picking a crayon.

*For working out the percentages, you should convert the fraction to a decimal and then multiply that by 100.

**This content involves fractions, decimals and percentages, as well as basic probability, which you may want to revise. I'm always happy to help!

8 0
2 years ago
can some one pls answer my questions pls i really need help not even my mom could help me all she did was yell at me when i didn
Sav [38]
The first one question 17 is W
4 0
3 years ago
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What are the steps you take when using the distributive property?
Kamila [148]

Answer:

Expand the equation,Multiply first numbers of each set, outer numbers of each set, inner numbers of each set, and the last numbers of each set,Combine like terms,and Solve the equation and simplify, if needed

Step-by-step explanation:

7 0
3 years ago
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