MATHEMATICS MIDDLE SCHOOL

People drive, on average, 14,579 miles per year. About how many mile each week is that? (Note: there are 52 weeks in a year) (Type a whole number of decimal rounded to the nearest tenth as needed.)

Answers

Answer 1

Answer:

Answer:278.44

Step-by-step explanation:

Divide the miles per year by months

Answer 2

Answer:

Answer:280.36

Step-by-step explanation:

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Estimate the sum of 196 and 482

Answers

we know that

A quick way to estimate the sum of two numbers is to round each number and then add the rounded numbers

case a) We round the number to the nearest hundred

$196$ Round up is equal to $200$

$482$ Round up is equal to $500$

Find the estimate sum

$200+500=700$

case b) We round the number to the nearest tens

$196$ Round up is equal to $200$

$482$ Round down is equal to $480$

Find the estimate sum

$200+480=680$

196 --> 200
482 --> 480

200
+480
--------
680

Зу = - 2x + 12 how do you graph this equation

Answers

Explanation:

Start out by dividing all terms by 3 to put the equation in PROPER Slope-Intercept Form:

$\displaystyle (3y)/(3) = (-2x + 12)/(3) \n \n y = -(2)/(3)x + 4$

Now, starting from the y-intercept of [0, 4], you do $\displaystyle (rise)/(run)$ by either moving two blocks north over three blocks west or two blocks south over three blocks east [west and south are negatives].

I am joyous to assist you anytime.

The ratio of damaged to undamaged toys was 3/17. If there were a total of 200 toys, how manywere undamaged?

Answers

Answer:

What I would do is find how many undamaged toys per 1 toy and then times that by 200.

Step-by-step explanation:

okay, so basically it’s the ratio of damaged to undamaged toys. which means that damaged is ‘3’ and undamaged is ‘17’. what i would do, is that i would:

17+3=20

200/20=10

so, ‘1’ refers to 10 toys. therefore we multiply the amount of undamaged toys by 10 which would get u the answer

10x17=170

which, equals to 170 undamaged toys.

i hope this helped u :)

A circular swimming pool is 21 feet in diameter. What is the circumference of the swimming pool? Use 22/7 for pie

Answers

the circumference of the swimming pool is 66 feet

Please help me idk this

Answers

The answer is 15 because all i did was multiply 5/8 by 3 to get 15/24. She ate 15 chocolate out of 24. I hope this helps.

Can someone explain to me why the answer is 3cos3x (it has something to do with chain rule i think)

Answers

Use the fundamental theorem of calculus. It says that

$\displaystyle(\mathrm d)/(\mathrm dx)\int_{\text{constant}}^(g(x))f(t)\,\mathrm dt=f(g(x))\cdot(\mathrm dg)/(\mathrm dx)$

In this case, $g(x)=3x$ and $f(t)=\cos t$ . Then

$\displaystyle(\mathrm d)/(\mathrm dx)\int_0^(3x)\cos t\,\mathrm dt=\cos(3x)\cdot(\mathrm d)/(\mathrm dx)3x=3\cos3x$

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