An artist uses four distinct colors in his latest painting–red, blue, green, and yellow–

Mathematics

2 answers:

Rama09 [41]2 years ago

7 0

Answer:

D, 77

Step-by-step explanation:

8_murik_8 [283]2 years ago

6 0

Answer:

Step-by-step explanation:

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√(25 - 10 √(3) + 3)<br> (not as a decimal)

nikitadnepr [17]

Answer:

$\huge\boxed{\sqrt{25-10\sqrt3+3}=5-\sqrt3}$

Step-by-step explanation:

$\sqrt{25-10\sqrt3+3}=(*)\\\\25=5^2\\3=(\sqrt3)^2\\10\sqrt3=(2)(5)(\sqrt3)\\\\(*)=\sqrt{5^2-(2)(5)(\sqrt3)+(\sqrt3)^2}\\\\\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\=\sqrt{(5-\sqrt3)^2}\\\\\text{use}\ \sqrt{a^2}=|a|\\\\=|5-\sqrt3|=5-\sqrt3\\\\^{\text{because}\ 5>\sqrt3\to5-\sqrt3>0}$

6 0

2 years ago

Use the diagram shown to find x.

marusya05 [52]

X would equal 70°.

For every triangle, all interior angles add up to 180°. This means that we can add together 42 and 68 to get 110°. Because the sum of all interior angles in a triangle must be 180°, we subtract 110 from 180 to see how much more we need, which gets us 70°.

I hope this helps!

6 0

3 years ago

Read 2 more answers

Express 75 out of 300 as a percentage

PolarNik [594]

Answer:

Answer: 25%

Step-by-step explanation:

Convert fraction (ratio) 75 / 300 Answer: 25%

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