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3 years ago

Solve for x: z=m-x *

Mathematics

1 answer:

astraxan [27]3 years ago

8 0

Answer:

x = m - z

Step-by-step explanation:

z = m - x

Add x to both sides.

x + z = m

Subtract z from both sides.

x = m - z

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Susan is 5 years older than her sister. The sum of their ages are 51. Define a variable. Then write an equation that could be us

Kay [80]

You would do
51-5= 46
then you would divide
46/2= 23
so Susan is
23+5=28
Susan is 28 years old and her sister is 23
28+23=51

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2 years ago

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Jim's backyard is a rectangle that is 15 5/6 yards long and 10 2/5 yards wide. Jim buys sods in pieces that are 1 1/3 yards long

Ne4ueva [31]

We are given

Jim's backyard:

Length is

$L=15\frac{5}{6} =\frac{95}{6} yards$

width is

$W=10\frac{2}{5} =\frac{52}{5} yards$

Since, this is rectangle

so, we can find area of rectangle

$A=L*W$

$A=(\frac{95}{6})*(\frac{52}{5})$

$A=\frac{494}{3} yard^2$

Area of one sod:

length is

$l=1\frac{1}{3} =\frac{4}{3} yards$

width is

$w=1\frac{1}{3} =\frac{4}{3} yards$

Since, it is rectangle in shape

so,

$Area=l*w$

$A=\frac{4}{3}*\frac{4}{3}$

$A=\frac{16}{9}yard^2$

Number of pieces of sod:

we can use formula

Number of pieces of sod = (area of Jim's backyard)/(area of one sod)

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now, we can simplify it

$N=\frac{741}{8}$ pieces need ..............Answer

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3 years ago

Find the solution set of x+3>19-3x, where x is a real number

il63 [147K]

Answer:

x>4

Step-by-step explanation:

x+3>19-3x

x+3x>19-3

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x>4

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3 years ago

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sergij07 [2.7K]

Answer:

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Step-by-step explanation:

If you make a right triangle and solve for the hypotenuse (the distance between P1 and P2), you will get 2 times the square root of 10.

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