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musickatia [10]
2 years ago
12

The shapes below are mathematically similar.

Mathematics
1 answer:
Lera25 [3.4K]2 years ago
7 0

Answer:

Triangle small ABC

Triangle big DEF

AB = 8 cm , BC = 12 cm , DE = 20 cm , EF = x

So;

\frac{AB}{DE} =  \frac{BC}{EF}  \\  \\  \frac{8}{20} =  \frac{12}{x}   \\  \\ 8x = 12 \times 20 \\ 8x = 240 \\  \\ x =  \frac{240}{8}  \\  \\ x = 30 cm

I hope I helped you^_^

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julsineya [31]
You would use the equation 

F+V=E+2
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3 years ago
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there are 10 crates of eggs stacked in the corner. each crate of eggs holds 20 eggs. If there is only 1 broken egg in the entire
alisha [4.7K]

Answer: 5%

Step-by-step explanation: If there is one broken egg in each crate (1/20), you would change that to5%

And if there are ten crates, then you see how many eggs there a re total.

(10 × 20 = 200)

If there are 200 eggs and for every 20 eggs there is on broken one, then there will be 10 broken eggs total. or 10/200

convert the fraction to a decimal ( 10 ÷ 200 = .05)

then convert the decimal to a percent. .05 is equal to 5%

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3 0
3 years ago
Kira needs 28 strawberries for every 4 smoothies she makes.
Stella [2.4K]

Answer:

21

Step-by-step explanation:

28/4=7 (So it is 7 strawberries for every smoothie)

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4 0
3 years ago
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A pair of shoes costs $30.99 and the state sales tax is 5%. Use the formula C = p + rp to find the total cost of the shoes, wher
liberstina [14]
First, write the rate as a decimal by moving the decimal point two places to the left from the percent.

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Answer: The total cost is $32.54
5 0
3 years ago
How to write standard form for: (please answer this question soon )
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Put the terms in order of decreasing degree, all on the left. When convenient, it is nice to have mutually prime integer coefficients with the leading one positive.

a) x² -2x +1 = 0

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d) 3x² -x -5 = 0

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Shown is the standard form for a single-variable second-degree equation. Form varies depending on the nature of the equation. Equations of conic sections have different standard forms, depending on the curve.
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