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3 years ago

What makes a function one to one?

Mathematics

1 answer:

lidiya [134]3 years ago

3 0

Step-by-step explanation:

a one to one function can pass a vertical line teat and a horizontal line test meaning that for each y input there is only 1 x output and vise versa

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!!!*BRAINLIEST*!!!

QveST [7]

Answer:

Step-by-step explanation:

Area = length times height times width

Area = 164 x 82 x 9.8

= 131790.4

Multiply by 7.48 since it takes 7.48 gallons to fill a cubic foot then you find the answer of A.

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3 years ago

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Northside Middle School spent $1187.50 on 95 math books. How much did each book cost?

trasher [3.6K]

Answer:

Each book cost $12.50 dollars.

Step-by-step explanation:

1,187.50 / 95 = 12.50

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3 years ago

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Cost price = 40

Helen [10]

Answer:

c=40

s=52

s<c

40 -52

8(eight)

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3 years ago

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Given that Cosecant (t) = negative StartFraction 13 Over 5 EndFraction for Pi less-than t less-than StartFraction 3 pi Over 2 En

Sergio [31]

Answer:

$\bold{cot(t) =\dfrac{12}{5}}$

Step-by-step explanation:

Given that:

$Cosec (t) = -\frac{13}5$

for $\pi < t < \frac{3 \pi}2$

That means, angle $t$ is in the 3rd quadrant.

To find:

Value of cot(t)

Solution:

First of all, let us recall what trigonometric ratios are positive and what trigonometric ratios are negative in 3rd quadrant.

In 3rd quadrant, tangent and cotangent are positive.

All other trigonometric ratios are negative.

Let us have a look at the following identity:

$cosec^2\theta -cot^2\theta =1$

here, $\theta =t$

So, $cosec^2t-cot^2t=1$

$\Rightarrow (-\dfrac{13}{5})^2-cot^2t=1\\\Rightarrow (\dfrac{169}{25})-cot^2t=1\\\Rightarrow \dfrac{169}{25}-1=cot^2t\\\Rightarrow \dfrac{169-25}{25}=cot^2t\\\Rightarrow \dfrac{144}{25}=cot^2t\\\Rightarrow cot(t)=\pm\sqrt{\dfrac{144}{25}}\\\Rightarrow cot(t)=\pm\dfrac{12}{5}$