Combine these unlike fractions, then simplify. 5/6−2/3 need answer asap plz

Mathematics

1 answer:

zzz [600]2 years ago

6 0

Answer: 1/6

Step-by-step explanation:

5/6 + -2/3

5/6 + -4/6

5 + -4/6 = 1/6

Decimal Form: 0.166667

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The base of the triangle decreases by 30% and the height increases by 20%.

sergeinik [125]

Answer:

Area decreases by 16%

Step-by-step explanation:

Use formula for the area of the triangle

$A=\dfrac{1}{2}\cdot \text{Base}\cdot \text{Height}$

Initial triangle:

The base is 18 cm

The height is 5 cm

The area is

$A_{initial}=\dfrac{1}{2}\cdot 18\cdot 5=45\ cm^2$

New triangle:

The base is $(1-0.3)\cdot 18=0.7\cdot 18=12.6\ cm$

The height is $(1+0.2)\cdot 5=1.2\cdot 5=6\ cm$

The area is

$A_{new}=\dfrac{1}{2}\cdot 12.6\cdot 6=37.8\ cm^2$

Area decreases by

$100\%-\dfrac{37.8}{45}\cdot 100\%=100\%-84\%=16\%$

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2 years ago

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2 years ago

What is the measure of the third angle in the similar triangles below?

pashok25 [27]

Answer:

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Step-by-step explanation:

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2 years ago

Read 2 more answers

Solve for x 7x + 8 = 29 (simplified please) ill give brainliest :)