Describe a math calculation you frequently encounter in your daily life.

2 answers:

5 0

The moment you wake up, you start calculating how many minutes you have left to get ready for school, subtracting minutes to get to the bus stop.. etc.. ❤️❤️❤️

sammy [17]3 years ago

3 0

When shopping, you use a math calculation to see if the price is on sale and how much it costs, and when adding up all the things you bought, by mostly rounding.

Hope helps!-Aparri

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What is x² + 7x - 30

Aleonysh [2.5K]

Are you looking for the value of x?

We can complete the square/factor:

x^2+7x-30=0

(x+10)(x-3)=0

By the zero product property rule, we have two equations, x+10=0 and x-3=0.

So the zeroes of x are -10 and 3

Hope this helped. Comment below if this didn't make sense.

6 0

3 years ago

Pls send help if i get it right you get brainliest

Goshia [24]

I think the top right 1 is linear

Top left is neither and bottom is exponential

6 0

3 years ago

Read 2 more answers

Write the phrase as an expression. Then evaluate when y=20.

alisha [4.7K]

Answer:

$Q=\frac{40}{y-16}$

$Q=10$

Step-by-step explanation:

Let the quotient be represented by 'Q'.

Given:

The difference of a number 'y' and 16 is $y-16$

Quotient is the answer that we get on dividing two terms. Here, the first term is 40 and the second term is $y-16$ . So, we divide both these terms to get an expression for 'Q'.

The quotient of 40 and $y-16$ is given as:

$Q=\frac{40}{y-16}$

Now, we need to find the quotient when $y=20$ . Plug in 20 for 'y' in the above expression and evaluate the quotient 'Q'. This gives,