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Nataly [62]
3 years ago
5

Your family goes out to Chili's for dinner. Chili's charges $9 for an adult dinner and $5 for a

Mathematics
1 answer:
klasskru [66]3 years ago
5 0

Answer:

4 adults and 6 children

Step-by-step explanation:

9 x 4 = 36

5 x 6 = 30

36 + 30 = 66

There was 4 adults and 6 children

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1. (a) Let A = 1, 3, 5, 7 and B = X : X is the first three multiple of 7 . Find (A−B).
ICE Princess25 [194]

Answer:

a) A-B = { 1 , 3, 5 }

b) The remainder is 50

c) f + g)(x) = x⁴+ 5x³

d) \frac{dy}{dx} = \frac{2x- y^3(3x^2))     }{ 1- x^3 3y^2}

Step-by-step explanation:

Step(I):-

1) a)

Let A = { 1, 3, 5, 7 } and B = { 7 , 14 , 21 }

A - B = {1,3,5,7} - { 7,14,21}

A - B  = { 1 , 3, 5}

b)

Given f (x)=3x³−11x−48

    x-1  ) 3 x³ - 11x -48 (- 3x²-3x -2

            -3<u>x³ +3x</u>²

                 3x²-11x-48

                <u> -3x²+9x</u>

<u> </u>                      2x -48

                    -2x +2  

                    <u>                     </u>

                         50

The remainder is 50

   

c)  Given f(x) = x³ and g(x) = x + 5

(f. g)(x) = f(x) .g(x) = x³ . (x+5) = x³(x) + 5 x³ = x⁴+ 5x³

d)

 Given function   y = 3 + x²+x³y³  ...(I)

By using derivative formulas

            y = xⁿ

            \frac{dy}{dx} = n x^{n-1}

Apply d/dx ( UV) = U V¹ + V U¹



Differentiating equation (I) with respective to 'x' , we get

                      \frac{dy}{dx} = 0 + 2x + ( x^3 3y^2(\frac{dy}{dx} )+ y^3(3x^2))

                     \frac{dy}{dx} - ( x^3 3y^2(\frac{dy}{dx} )= 2x- y^3(3x^2))

                   \frac{dy}{dx} = \frac{2x- y^3(3x^2))     }{ 1- x^3 3y^2}



7 0
2 years ago
Rewrite the expression using the properties of exponents. <br><br> x5<br> y4
DanielleElmas [232]
5x 4x hope this helped u
3 0
3 years ago
How can we get Equation 5=3 B from Equation A 5x=3x
stealth61 [152]

Answer:

Divide both sides by x

8 0
3 years ago
Hellpppppp due today will give brainliest ​
Dovator [93]

Answer:

The last option. <3

8 0
2 years ago
Five is the quotient of 120 divided by some number. What is the number? 20 24 115 125
slava [35]

Your answer is 24! If you work backwards and divide 120 by 5, you get 24. To check your work, multiply 24 by 5 to get 120. Hope this helps! Please mark brainliest and have an amazing rest of your day. Stay safe! xx

4 0
3 years ago
Read 2 more answers
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