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2 years ago

Please help me in math

Mathematics

1 answer:

Marta_Voda [28]2 years ago

3 0

When we have negative exponents, we can move the term with the exponent to the bottom of the fraction. This is also known as multiplying by the reciprocal (and changing the negative exponent to be positive!).

The reciprocal of z^-3 would be 1 / z^3.

Hope this helps!! :)

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The temperature went from -12°F to 18°F. How much did the temperature change?

Triss [41]

you have negative -12

turn this into a positive (12)

12 plus 18

= 30

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2 years ago

Need some help with this question please

Serggg [28]

Answer:

$\frac{15}{17}$

Step-by-step explanation:

$\cos( \alpha ) = \frac{ad}{hip} \\ \\ \sin( \alpha ) = \frac{op}{hip}$

Pythagorean theorem

hip² = op² + ad²

17² = x² + 8²

x² = 17² - 8²

$x \: = \sqrt{{17}^{2} - {8}^{2} } \\ x = \sqrt{289 - 64} \\ x = \sqrt{225} \\ x = 15$

$\sin( \alpha ) = - \frac{15}{17}$

$\sin( - \alpha ) = \frac{15}{17}$

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2 years ago

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Dmitrij [34]

Answer: the answer is D

Step-by-step explanation: I got it right

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2 years ago

A little girl counts using the fingers of her left hand as follows:

Vanyuwa [196]

Answer:

1 to 10 = Pointer Finger

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Step-by-step explanation:

Every time she counts 10 on her fingers starting from 1 it either lands on her Index Finger or Ring Finger in a pattern of starting first on her index finger for 10 then ending up on her Ring Finger for 20 and 30 the going back to her Index finger for 40 and 50 and so on. Using this you can figure out 100 and 1000.

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2 years ago

Help pls due soon!!!!!

S_A_V [24]

Each of the squares is 1 so that’s 37 plus 8 half’s which is 4 so 37 + 4 = 41

4 0

3 years ago

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