2 years ago

Which of the following is true about the polynomial 3x^4-1 Select all that apply

Mathematics

1 answer:

antiseptic1488 [7]2 years ago

6 0

The polynomial has two terms and is written in standard form, answers 1 and 4.

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Please help if you would be so kind, it’s geometry:

maks197457 [2]

Answer:

Step-by-step explanation:

x+(4x-8)+(x+8) = 180

x = 30

∠C = x+8 = 38°

height = 7sin38°

area =0.5·13·7sin38° ≅ 28.0126 cm²

8 0

2 years ago

0.9 ÷ 0.12

bagirrra123 [75]

Answer:

$\displaystyle 7\frac{1}{2}$

Step-by-step explanation:

Turn the decimals into simplifies fractions first:

$\displaystyle \frac{9}{10} \div \frac{3}{25} = \frac{9}{10} \times \frac{25}{3} = \frac{225}{30} = 7\frac{15}{30} = 7\frac{1}{2} \\ \\ OR \\ \\ \frac{\frac{9}{10}}{\frac{3}{25}} = \frac{3}{\frac{2}{5}} = 3 \times \frac{5}{2} = \frac{15}{2} = 7\frac{1}{2}$