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LenKa [72]
3 years ago
12

Help me out please!!!!

Mathematics
2 answers:
Mariana [72]3 years ago
8 0
The answer is C (sorry if it’s wrong )
KonstantinChe [14]3 years ago
7 0

Answer:

c)

Step-by-step explanation:

- \frac{7}{ - f} \: is \: equal \: to \:  \frac{7}{f}

so \: the \: answer \: is \: none \: of \: the \: above

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Which number has the same value
photoshop1234 [79]
Answer:
D 0.08

Explanation:
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3 years ago
Solve the equation for all real solutions in the simplest form. -5z^2-3z-11=-6z^2
horsena [70]

Answer:

-3z-11=11z^2

Step-by-step explanation:

3 0
2 years ago
What is the area of the following composite figure? Round your answer to the nearest hundredth. 136.26 yd2 235.17 yd2 362.34 yd2
igomit [66]

Answer:

139.79 yd2

Step-by-step explanation:

Hope this helps :)

4 0
3 years ago
Cos(-170°) = _____<br><br> -cos10°<br> cos10°<br> cos(-10°)
ikadub [295]

<em>The right answer for:</em>

<em>cos(-170°) = _____</em>

<em>is:</em>

<em>-cos10°</em>

<h2>Explanation:</h2>

The cosine function is an even function, which means that for every point (x,y) on the graph of y=cos(x) then the point (-x,y) also lies on the graph of the function. In other words, we can write:

cos(-170^{\circ})=cos(170^{\circ})

But:

170^{\circ}=180^{\circ}-10^{\circ}

So:

cos(170^{\circ})=cos(180^{\circ}-10^{\circ})

By property:

cos(a-b)=cosacosb+sinasinb \\ \\ a=180^{\circ} \\ \\ b=10^{\circ} \\ \\ cos(170^{\circ} )=cos(180^{\circ} -10^{\circ})=cos180^{\circ} cos10^{\circ} +sin180^{\circ} sin10^{\circ} \\ \\  cos(170^{\circ})=-cos(10^{\circ})+0 \\ \\ \boxed{cos(170^{\circ})=-cos(10^{\circ})}

<h2>Learn more:</h2>

Trigonometric functions: brainly.com/question/2680050

#LearnWithBrainly

4 0
3 years ago
30 POINTS FOR SOMEONE WHO ANSWERS MY QUESTIONS PLS IM FAILING
ziro4ka [17]

Answer:

ok i will answer only two which two do you want me to answer

Step-by-step explanation:

7 0
2 years ago
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