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Pavlova-9 [17]
3 years ago
7

write a word problem that must be solved by using division.Include the equation and solution, and explain how to place the first

digit in the quotient​

Mathematics
1 answer:
ohaa [14]3 years ago
5 0

Answer:

Jeremy seperates groups of cars into 3 groups. He has 16 total cars. How many cars are in each group?

Step-by-step explanation:

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Law of cosines: a2 = b2 + c2 – 2bccos(A) What is the value of n to the nearest whole number? 18 22 29 41
nalin [4]
We know that
applying the law of cosines
a² = b²+ c²<span> – 2*b*c*cos(A)
</span>
in this problem
a=?
b=20
c=9
A=90°
so
a² = b²+ c² – 2*b*c*cos(A)
but
cos (A)=0
a² = b²+ c²-----> 20²+9²----> a²=400+81----> a²=481-----> a=√481
a=21.93-----> a=22

the answer is
22

4 0
4 years ago
Read 2 more answers
7+4(r+3)=9r-6<br> show work pls AND HELP ASAP
ivanzaharov [21]

\:  \:  \:  \:  \:  \:

=  \:  \:  \:  \: r = 5

Step-by-step explanation:

7 + 4(r + 3) = 9r - 6

  • <em><u>distribute</u></em><em><u> </u></em>4 through the parentheses

7 + 4r + 12 = 9r - 6

  • add numbers

19 + 4r = 9r - 6

  • move the <em><u>variable</u></em><u> </u>to the left hand side and change its sign

19 + 9r =  - 6

  • move the <em><u>constant </u></em>to the right hand side and change its sign

4r - 9 =  - 6 - 19

  • collect<em><u> like</u></em><em><u> terms</u></em>

<em><u>- 5r =  - 6 - 19</u></em>

  • calculate the difference

- 5r =  - 25

  • divide both sides of the equation by <em>-</em><em>5</em>

<em>=  \:  \:  \:  \: r = 5</em>

<h2><em><u>hope</u></em><em><u> it</u></em><em><u> helps</u></em></h2>
7 0
3 years ago
Since 1952 the total number of people living in wales has increased by about one eighth.
SVETLANKA909090 [29]
3000000÷1.125=2666666.6667 Round off to 2666667 people. Feel free to correct this if wrong.
3 0
3 years ago
I need help please.
Lina20 [59]
The 1st choice, the third and the fifth are correct
because 26/9 = 3
and 12/4 = 3
and 21/7 = 3
8 0
3 years ago
Plssss help <br> 10th grade mathematics
Sergio [31]

Answer:

A.  6x + 12 = 7x - 8.

Step-by-step explanation:

The opposite angles of a parallelogram are equal so its the first choice.

6x + 12 = 7x - 8.

6 0
3 years ago
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