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2 years ago

Divide. 8,375 ÷ 45 number and remainder

Mathematics

1 answer:

Darina [25.2K]2 years ago

4 0

Answer: 186 with a remainder of 5.

Method One:

See attached for my work, I used long divison.

Method Two:

We will use a calculator to find the value, then multiply the value (without the decimals) by the divisor. Lastly, we will subtract. This makes more sense with the work:

8,375 ÷ 45 = 186.11111111

186 * 45 = 8,370

8,375 - 8,370 = 5

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15*x+12+10-20=12 WHAT

kupik [55]

Answer:

Step-by-step explanation:

15x + 12 + 10 - 20 = 12

15x + 22 - 20 = 12

15x + 2 = 12

15x = 12 - 2

15x = 10

x = 10/15 which reduces to 2/3

3 0

4 years ago

Read 2 more answers

Simplify (4n^4 - 3n^2 + n)+ (2n^4 -7n^2 + 9n). Express your answer without factoring.

Pie

Answer:

6n^4-10n^2+10n

Step-by-step explanation:

4 n^4+2n^4-3n^2-7n^2+9n+n

6n^4-10n^2+10n

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3 years ago

Read 2 more answers

An airplane is preparing to land at an airport. It is 41,300 feet above the ground and is descending at the rate of 3,100 feet p

MissTica

9514 1404 393

Answer:

after 7 minutes
19,600 feet

Step-by-step explanation:

Here's the "pencil and paper" solution:

The two altitude equations are ...

y = 41300 -3100x
y = 2800x

They can be solved by setting the expressions for y equal to each other.

2800x = 41300 -3100x

5900x = 41300

x = 41300/5900 = 7

y = 2800·7 = 19600

The planes will both be at 19,600 feet after 7 minutes.

_____

Attached are solutions from a graphing calculator, and from a calculator app that is able to solve systems of equations.

I find the graphing calculator the easiest to use. I can enter equations using a keyboard, and the solution is displayed in a form that can be copied and pasted.

The calculator app on my phone requires equation entry using a small on-screen keyboard, with multiple key hits required to access some functions. (y is obtained by hitting the x key twice, for example.)

The "pencil and paper" solution is not so difficult, but requires a certain amount of writing (or good short-term memory). The solutions for x and y require separate calculations, whereas the other methods give both x and y at the same time.

3 0

3 years ago

when a card is drawn from a standard deck of 52 cards, what is the probability of getting a. queen b.a red. c.a queen or a red c

Brut [27]

(a) Probability of getting a queen from a deck of 52 cards = $\frac{1}{13}$

(b) Probability of getting a red card from a deck of 52 cards = $\frac{1}{2}$

Solution:

Given that card is drawn from a standard deck of 52 cards.

Need to determine probability of getting

(a) queen (b) red (c) a queen or a red card

$\text { Probability of an event }=\frac{\text { favorable number of events }}{\text { total number of events }}$

(a) Calculating probability of getting a queen from a deck of 52 cards

Favorable events are getting a queen of spade, heart , diamond or club.

Means number of favorable events = 4

Total events is all possible outcomes from 52 cards

So Total number of event = 52

$\Rightarrow \text { probability of getting a queen }=\frac{4}{52}=\frac{1}{13}$

(b) Calculating probability of getting a red card from a deck of 52 cards

Number of red cards are 13 cards of diamonds and 13 cards of heart = 13+13 =26

So number of favorable event = 26

Total number of event = 52

$\Rightarrow \text { probability of getting a red card }=\frac{26}{52}=\frac{1}{2}$

(c) Calculating probability of getting a queen or red card from a deck of 52 cards

Favorable events are 26 red cards + two queens of spade and club. Need to keep in mind that queens of heart and diamond is already considered in 26 red cards.

So number of favorable event = (26+2) = 28

Total number of event = 52

$\text { Probability of getting a queen or red card }=\frac{28}{52}=\frac{7}{13}$

Summarizing the result :

(a) Probability of getting a queen from a deck of 52 cards = $\frac{1}{13}$

(b) Probability of getting a red card from a deck of 52 cards = $\frac{1}{2}$

7 0

4 years ago

Please tell me the value of each number in the number 457.37

kkurt [141]

Answer:

4 = hundreds (400), 5 = tens (50), 7 = ones (7),

- AFTER DECIMAL - 3 = tenths (0.3) 7 = hundredths (0.07)

Step-by-step explanation:

Hope this helps

Give brainiest if it did

6 0

3 years ago