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SashulF [63]
3 years ago
15

A rectangle is drawn with the dimensions shown. The area is listed inside each rectangle.

Mathematics
1 answer:
lutik1710 [3]3 years ago
5 0

Answer:

the awnser is 45

Step-by-step explanation:

i just took this test on masery connect

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If there are 40 entries in a science fair how many ways can the students finish 1st, 2nd, and 3rd
ohaa [14]
The answer is 59,280 . To find you multiply 40 x 39 x 30 which 59,280
8 0
3 years ago
Maryam has 12 cookies. She wants to give each of her 4 friends the same number of cookies. How many cookies will Maryam give eac
dmitriy555 [2]

Answer:

3 cookies

Step-by-step explanation:

she has 12 cookies and 4 friends

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4 0
3 years ago
2x+y-z=7<br> -z-2y+4z=-15<br> x+2y-5z=17
Artyom0805 [142]
Ok
2x + y - z = 7
-2y +3z = -15
x + 2y - 5z = 17
combine 2nd 3rd
x - 2z = 2
x = 2z + 2
double first statement
4x + 2y - 2z = 14
combine with second statement
4x + z = -1
substitute 2z + 2 for x
8z + 8 + z = -1
combine like terms
9z + 8 = -1
sub 8 from both sides
9z = -9
divide both sides by 9
z = -1
substitute -1 for z in second statement
-2y - 3 = -15
add 3 to both sides
-2y = -12
divide both sides by -2
y = 6
substitute -1 for z into the fifth statement
x = -2 + 2
x = 0
8 0
3 years ago
Help Math question Write ur answers
Ad libitum [116K]

Answer:

this can be solved by simple unitary method

time \: taken \: to \: remove \:  \frac{5}{9}  \: tons \: of \: dirt \:  = 1 \: hr \\ time \: taken \: to \: remove \:  \frac{31}{6}  \: tons \: of \: dirt \:  =  \frac{31}{6} \times  \frac{9}{5}   \: hr \\  =  \frac{93}{10}hr \\    = 9 \times \frac{3}{10} hr

7 0
3 years ago
The variables y and x have a proportional relationship, and y = 28 when x = 21.
Kipish [7]

Answer:

c

Step-by-step explanation:

4 0
3 years ago
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