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2 years ago

38% of y is 494, what is y? 15% of c is 49, what is c?

Mathematics

1 answer:

Reika [66]2 years ago

4 0

Answer:

y= 1,300

c= 326.67

Step-by-step explanation:

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Which pair of functions have the same domain? A. F(x)= sin x and g(x) = tan x B. F(x) = cos x and f(x) = csc x C. G(x) = tan x a

EastWind [94]

Answer:

The correct choice is D

Step-by-step explanation:

The trigonometric functions, $\sin x$ and $\cos x$ are defined for all real numbers.

$\tan x=\frac{\sin x}{\cos (x)}$ , this function is not defined where $\cos x=0$ .

$\cot x=\frac{\cos x}{\sin (x)}$ , this function is not defined where $\sin x=0$ .

$\csc x=\frac{1}{\sin (x)}$ , this function is not defined where $\sin x=0$ .

For option A

The domain of $f(x)=\sin(x)$ is all real numbers.

The domain of g(x) =tanx is $x\ne \frac{(2n+1)\pi}{2}$

For option B

The domain of $f(x)=\cos(x)$ is all real numbers.

The domain of f(x) =csc(x) is $x\ne n\pi$

For option C,

The domain of G(x) =tanx is $x\ne \frac{(2n+1)\pi}{2}$

The domain of f(x) =cot(x) is $x\ne n\pi$

For option D;

The domain of f(x) =cot(x) is $x\ne n\pi$

The domain of f(x) =csc(x) is $x\ne n\pi$

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2 years ago

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What is the name of the following polynomial expression 4x²+x-3

nadya68 [22]

Answer:

It has 3 terms so it is a trinomial.

I think

Step-by-step explanation:

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1 year ago

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This equation is an example of:

mariarad [96]

Answer:

B. FOIL

Step-by-step explanation:

FOIL stands for Firsts, Outsides, Insides, and Lasts

This is a mnemonic to help you to remember how to multiply two binomials

From the image, we can see that the on the right side of the equals,

$(x)(-5x^2)$ is the product of the firsts of the binomials

$(x)(x)$ is the product of the outsides of the binomials

$(-2)(-5x^2)$ is the product of the insides of the binomials

$(-2)(x)$ is the product of the lasts of the binomials.

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2 years ago

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Quantos que é -2 ao quadrado

Olegator [25]

No estoy segura e -2 ao quadrado esa es toda la pregunta

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2 years ago

The circumference for a circle that has a radius or 7 inches is

lidiya [134]

Circumference
C=2πr
C=2(3.14)(7)
C=(3.14)(14)
C=43.96

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2 years ago