3 years ago

Why is it bigger? I need to know

Mathematics

1 answer:

stepladder [879]3 years ago

3 0

Answer:

Why is what bigger?

Step-by-step explanation:

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What is tan angle QTR if line PR is tangent to circle T at Q, and TS = 1 cm?

lions [1.4K]

Tangent = opposite / adjacent

In the diagram:
TQ is the short leg or the opposite
QR is the long leg or the adjacent
TR is the hypotenuse. TS is part of the hypotenuse.

Tan(QTR) = TQ / QR

TS = 1 ; TQ = TS so, TQ = 1

Tan(QTR) = 1/QR

I think the answer is C.RQ

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3 years ago

X^2+4y^2=36 the lenght of the major axis is?

musickatia [10]

Answer:

Step-by-step explanation:

x² + 4y² = 36

divide by constant

x²/36 + y²/9 = 1

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3 years ago

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Step-by-step explanation:

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3 years ago

Question 3 of 10 * - 3 is a factor of P(x) =*? – 73? + 158-9 O A. True O B. False

Elina [12.6K]

Given,

The expression is,

$P(x)=x^3-7x^2+15x-9$

If x- 3 is the factor of the given polynomial function, then on substituting the value of x = 3 in the polynomial function, it become zero.

Thus subsituting the value of x in the polynomial,

$\begin{gathered} P(3)=3^3-7\times3^2+15\times3-9 \\ =27-7\times9+45-9 \\ =27+45-63-9 \\ =72-72 \\ =0 \end{gathered}$

Here, the obtained value of polynomial is 0.

Hence, x-3 is a factor of the given polynomial.

Thus, option A(true) is correct.

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1 year ago