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elixir [45]
3 years ago
13

in 2003, the population of Zimbabwe was about 12.6 million people, in which is 1 million more than 4 times the population in 195

0. write and solve an equation to find the approximate population p of Zimbabwe in 1950
Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
4 0

a= 2002 population

x= 1950 population

a=x*4+1,000,000

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A rectangle has a length of (x + 4) centimeters and a width of 12x centimeters. If the perimeter is 26 centimeters, what is the
STALIN [3.7K]

Answer:

The width of rectangle is W=\frac{108}{13}\ cm  or  8\frac{4}{13}\ cm

Step-by-step explanation:

we know that

The perimeter of rectangle is equal to

P=2(L+W)

where

L is the length of rectangle

W is the width of rectangle

we have

P=26\ cm\\L=(x+4)\ cm\\W=12x\ cm

substitute

26=2(x+4+12x)

solve for x

26=2(13x+4)

26=26x+8

26x=26-8

26x=18

x=\frac{18}{26}

simplify

x=\frac{9}{13}

<em>Find the width of rectangle</em>

W=12x\ cm

substitute the value of x

W=12(\frac{9}{13})=\frac{108}{13}\ cm

Convert to mixed number

\frac{108}{13}\ cm=\frac{104}{13}+\frac{4}{13}=8\frac{4}{13}\ cm

7 0
3 years ago
Question 2:
Delvig [45]
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Part B. [A]
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A triangle has points R(-2,0) ,S(2,8) and T (8,2) as shown in the group. M is the midpoint of RT . What is the length of SM
wlad13 [49]

The midpoint is calculated by averaging the coordinates of its endpoints:

M = \left(\dfrac{-2+8}{2},\dfrac{0+2}{2}\right)=(3,1)

Now we can use the usual distance formula to get the length of SM:

SM=\sqrt{(2-3)^2+(8-1)^2}=\sqrt{1+49}=\sqrt{50}

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taurus [48]
1.

Answers A. and B.

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Answer C.

3.

Answer A.

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Answer B.

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Answer D.

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3 years ago
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