2 years ago

Sam grew 1 3/4 inche n 4 1/2 months. How much should he grow in one year

Mathematics

1 answer:

Mila [183]2 years ago

6 0

He would grow 9 inches

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Please solve these coin problems:

ratelena [41]

1)
Solving from system of equations:
x- amount of 1 cent stamps
y- amount of 33 cent stamps
$\left \{ {{1*x+33*y=18,40} \atop {x+y=80}} \right.\\x=80-y\\0,01*(80-y)+0,33y=18,40\\0,8-0,01y+0,33y=18,40\\0,32y=18,40-0,8\\0,32y=17,60 /:0,32\\y=55\\x=80-55=25$
2)
x- amount of 20 cent stamops
y-amount of 34 cent stamps
From system of equations:
$\left \{ {{0,2x+0,34y=19,90} \atop {x+y=75}} \right.\\x=75-y\\0,2(75-y)+0,34y=19,90\\ 15-0,2y+0
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6 0

2 years ago

Graph f(x) = 5x - 45

kakasveta [241]

Y= 5x-45

On your graph go by 5's
On the y go down 9 which going by 5 makes it -45
Then go up 5 and one to the right and plot points keep going. 25/5=5

8 0

2 years ago

Read 2 more answers

What is the answer to number 8.

Viktor [21]

Its 20. |-2|+4-(-2)×(7). This simplifies to 2+4+(2×7)

4 0

2 years ago

Please help will give brainliest

Ronch [10]

Answer:

A+B=180°(linear pair)