3 years ago

Andy is one-fourth as old as his grandfather Who is 76 years old

2 answers:

4 0

Andy is nineteen years old

4 0

Andy is 19 years old

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Alexandra [31]

Prime, because the only number that can go into it are 19 and 1

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3 years ago

AleksandrR [38]

Answer: (x + 3, y - 4)

Explanation: The shape in the middle goes to the right three and down four to match the shape at the bottom

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3 years ago

Fynjy0 [20]

As x = 5 & z=12,

2/3 = y /(xz) = y/(5*12) 

= y/60 

so y / 60 = 2/3 

y = (2*60)/3 

= 40

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3 years ago

Aleonysh [2.5K]

The answer is 7.3, If you use the order of operations, When you divide 58.4 by 8 you get 7.3

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3 years ago

laiz [17]

Answer:

$y=68x-235$

Step-by-step explanation:

$f(x) = 5x^2-2x + 10$

Differentiate:

$\implies f'(x)=10x-2$

Substitute $x=7$ into $f'(x)$ :

$\implies f'(7)=10(7)-2=68$

Therefore, 68 is the gradient of the tangent line at x=7:

$\implies y-y_1=68(x-x_1)$

when $x=7$ , $y=5(7)^2-2(7)+10=241$

$\implies y-241=68(x-7)$

$\implies y=68x-235$

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2 years ago