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Gnom [1K]
3 years ago
7

PLZ HELP IM GIVING YOU 100 POINTS solve for x 2 1/4 = 1 2/7 divided by x

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
3 0

Answer:

x = 4/7 or 0.571428571

Step-by-step explanation:

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Quadrilateral ABCD has coordinates A (3,5), B (5,2), C (8,4), D (6, 7).
siniylev [52]

Answer:

B. Square, because all four sides are congruent and adjacent sides are perpendicular  

Step-by-step explanation:

A graph of your figure is below.

The figure is a square because

  • All four sides are congruent
  • Adjacent sides are perpendicular.

4 0
3 years ago
Read 2 more answers
What is the value of x?
Over [174]

Answer:

c-12

Step-by-step explanation:

Pythagoras theorem states that a²+b²=c²

144+b²=c²

b²=c²-144

b=c-12

b=x

x=c-12

4 0
3 years ago
The sum of liz's and melinda's ages is 28. if liz was 1/3 melinda's age 6 years ago, how old will liz be next year?
Mrrafil [7]
The first thing we must do for this case is to define variables:
 We have then:
 x: liz's age
 y: melinda's age
 We now write the system of equations:
 x + y = 28

x-6 = (1/3) (y-6)
 By solving the system graphically we have that the age of each one is currently:
 x = 10

 y = 18
 Next year, the age of liz is:
 x + 1 = 10 + 1 = 11

 Answer:
 
Next year, Liz's age is 11 years.
 
Note: see attached image for the graphic solution.

3 0
3 years ago
The table shows a linear function. x -5,-4,-3,-2,-1, 0, 1, 2, 3. on top row f(x) -11, -3, 5, 13, 21, 29, 37, 45, 53. on bottom r
NARA [144]
Wouldn’t the inputs be 4 and 5? I could wrong though
7 0
3 years ago
Read 2 more answers
I need help, pls can somebody help on this, it due this Friday
rusak2 [61]

Answer:

To express percentages in decimal form, you start with the decimal on the right side of the percentage, then you bring the decimal two places to the left. So for example, for 5% it it 5.. when you bring the decimal two places to the left it becomes .05

We start with $371.93 then we multiply each percentage successively to this number

we work backwards

so we start with 5%

$371.93= .95 x X

X=$391.51

Then we take X and do the same process for 10%

$391.51= .90 x Y

Y = $435.01

again we take Y and do the same process for 25%

$435.01= .75 x Z

Z = $580.01

so the original price is $580.01

to find the total percent discount you take the total discounted price ($371.93) divided by the original price ($580.01) then you have 1 subtracted by the number. Finally, you multiply the number by 100 to change it to a percentage

so it's $371.93/$580.01 which = .64125

1 - 64125 = .35875 x 100= 35.88%

so your total percent discount is 35.88%

Hope this helps


5 0
3 years ago
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