11 feet 8 inches plus 2 feet 9 inches

Mathematics

2 answers:

lilavasa [31]3 years ago

5 0

14 feet and 5 inches.

babunello [35]3 years ago

3 0

11 ft 8 in
2 ft 9 in
-----------------add
13 ft 17 in

1 ft = 12 in.....so 17 in = 1 ft 5 in

13 ft + 1 ft 5 in = 14 ft 5 in <=== 14 ft and 5 inches

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Which one is it A. B. C. or D.

nadya68 [22]

7x + 2y = 2
2x - y = 10

2y = - 7x + 2
- y = - 2x + 10

2y = -7x + 2
y = 2x - 10

$y=\frac{-7x+2}{2}$
y= 2x - 10

y = -3.5x + 1
y = 2x - 10

Now, let's find "x" first by doing a substituion !

2x - 10 = - 3.5x + 1
y = 2x - 10

2x + 3.5x = 1 + 10
y = 2x - 10

5.5x = 11
y= 2x - 10

$x = \frac{11}{5.5}=2$
y= 2*2 - 10 = 4 - 10 = -6

In short, the answer would be : y = -6 (Option B).

Hope this helps !

Photon

8 0

3 years ago

Select the number property that will justify the step in the following expression.

umka2103 [35]

Positions of 2, 5, 17 are not changed - so its not commutative property

5 0

3 years ago

PLZ HELP THANK YOUUUUUU

Novay_Z [31]

Answer:

The answer is 2

Step-by-step explanation:

8 0

3 years ago

the value of n is both 5 times as much as the value of m and 36 more than the value of m. what are the values of n and m? explai

Ray Of Light [21]

You said that n = 5m

AND    n = m + 36 .

Well then, if those two quantities are both equal to 'n', then
they must be equal to each other, and we can write

   5m = m + 36

Subtract 'm' from each side: 4m =   36

Divide each side by 4 : m =    9 .

OK. We're half done.

Way back at the beginning, the first thing you told me
was that 'n' is 5 times the value of 'm'.

   n = 5 (m)

Well ! Now we know what 'm' is, so

   n = 5 (9) = 45 .

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3 years ago

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evablogger [386]

Answer:

-83

Step-by-step explanation:

it's too complicated to put an explanation, sorry

5 0

3 years ago