3 years ago

Write an algebraic expression for the product of a number and 10

Mathematics

1 answer:

Travka [436]3 years ago

6 0

Answer: 10 x y, let a number be y, then just multiply them together.

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If f(x) = 3x^2 + 4 and g(x) = 2x - 1, what is f(g (x))?

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Answer:

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Step-by-step explanation:

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3 years ago

Solve. −6.6x=−4 What is the solution to the equation? Enter your answer as a simplified fraction in the box. x =

Rina8888 [55]

Answer:

x = 20/33

Step-by-step explanation:

-6.6x = -4

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3 years ago

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write an expression using addition and/or multiplication to represent how much money eric has at week five if he started $200 in

Lorico [155]

You multiply 200 by 5 it's equal to 1,000

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4 years ago

Erin buys 4 packs of potatoes costing £2 each, 2 packs of carrots for £3 per pack, and 5 turnips costing 70p each.

docker41 [41]

She would get £2.50

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2 times 3 is 6
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8 0

3 years ago

A soccer ball is kicked from the ground at an upwards velocity of 90 feet per second. The equation h(t)=-16t^(2)+90t gives the h

garri49 [273]

Answer: 2.81 s

Step-by-step explanation:

Given

Ball is kicked upward with velocity $u=90\ ft/s$

Height of the ball is given by the function $h(t)=-16t^2+90t$

Derivative of a function gives the maxima or minima at certain point

$\Rightarrow \dfrac{dh}{dt}=-32t+90\\\\\Rightarrow \dfrac{dh}{dt}=0\\\\\Rightarrow -32t+90=0\\\\\Rightarrow t=\dfrac{90}{32}\\\\\Rightarrow t=2.81\ s$

Thus, it takes ball 2.81 s to reach the top.

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4 years ago