3 years ago

I need help with 1-8.

Mathematics

1 answer:

RSB [31]3 years ago

4 0

Devide them all by 2

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What is the solution set?

rosijanka [135]

Step-by-step explanation:

$x \div 4 \leqslant 9 \div x$

$x ^{2} \leqslant 36$

$x {}^{2} - 36 \leqslant 0$

$x {}^{2} { - 6}^{2} \leqslant 0$

$(x + 6)(x - 6) \leqslant 0$

$x \leqslant - 6 \: \: or \: \: \: x \leqslant 6$

$- 6 \geqslant x \leqslant 6$

From the explanation the correct answer is the last one from the question above

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3 years ago

A)125<br> B)130<br> C)120<br> D)135

Kipish [7]

Answer:

The answer is B.

Step-by-step explanation:

Pentagons have a sum of 540°

540 - (115 + 115 + 90 + 90)

540 - 410

130

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Afina-wow [57]

Where is the figure at?

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3 years ago

the temperature in winter night was -23 degrees Fahrenheit the temperature Rose by 5° when the sun rose when the sunset again th

expeople1 [14]

So we have -23 degrees to start

Then add 5 to it

It becomes -23+5=-18

Now subtract 7 from that so -18-7=-25 degrees

Hope this helps

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3 years ago