3 years ago

I need help in 10th grade math if you have any tips please help me

Mathematics

1 answer:

TiliK225 [7]3 years ago

7 0

Answer:

I'll try to help you

..........

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How do you solve this without using a calculator

Leviafan [203]

Answer:

$C)\:\:\frac{\sqrt 2}{ 2 }$

Step-by-step explanation:

$\sin \bigg( \frac{3\pi}{4} \bigg) \\ \\ = \sin \bigg( \pi - \frac{\pi}{4} \bigg) \\ \\ = \sin \bigg(\frac{\pi}{4} \bigg) \\ \\ = \frac{1}{ \sqrt{2} }\\\\= \frac{\sqrt 2}{ 2 }$

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2 years ago

Simplify.<br> 10 / 7 k + 11 / 7 - 2 k + 2/7 + 2/7 k -6

Nikolay [14]

As written, this is

$\dfrac{10}{7}k+\dfrac{11}{7}-2k+\dfrac{2}{7}+\dfrac{2}{7}k-6=\left(\dfrac{10}{7}-2+\dfrac{2}{7}\right)k+\left(\dfrac{11}{7}+\dfrac{2}{7}-6\right)\\\\=\dfrac{10-14+2}{7}k+\dfrac{11+2-42}{7}\\\\=-\dfrac{2}{7}k-\dfrac{29}{7}$

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3 years ago

A liquid is 45°C. The temperature needs to be reduced by 3/8 of the current value. What does the new temperature need to be?

prohojiy [21]

Answer:

28.125 degrees

Step-by-step explanation:

3/8 of 45 is 16.875

45-16.875=28.125

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3 years ago

3/12 ÷ 6/12 ????????????

Ahat [919]

Answer:

The answer is 0.5, or 1/2.

3/12 ÷ 6/12 = 1/2

Hope this helps!

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3 years ago

Alexander is ridiang his bime to school, after one mile, he is a third of the way there. how much farther does he have to ride?

lisov135 [29]

He has to ride 2 more miles

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3 years ago