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Ipatiy [6.2K]
3 years ago
12

What does z stand for in 118/13 = 59/z

Mathematics
1 answer:
Nana76 [90]3 years ago
8 0
Basically they are subbing x with the letter z
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Five times the difference of twice a number and seven is negative twenty-five. Find the number.
Sati [7]

The number is 1

Step-by-step explanation:

Let x be the required number

Then according to given statement

Five times the difference of twice a number and seven is negative twenty-five.

5(2x-7) = -25

Simplifying

10x-35 = -25\\

Adding 35 on both sides

10x-35+35 = -25+35\\10x = 10

Dividing both sides by 10

\frac{10x}{10} = \frac{10}{10}\\x = 1

Verification:

5[2(1)-7] = -25\\5(2-7) = -25\\5(-5) = -25\\-25=-25

Hence,

1 is the number

Keywords: Linear equation

Learn more about linear equation at:

  • brainly.com/question/4706270
  • brainly.com/question/4710621

#LearnwithBrainly

4 0
3 years ago
Please help me
SVETLANKA909090 [29]

Answer:

B-$100=$372

The is is the smartest way I could look at this

OR

$372 - $100= b

Hope this helps

MARNIE OUT!

5 0
3 years ago
I need this on khan academy.
Alja [10]

9514 1404 393

Answer:

  A.  (1 2/3, 4 2/3)

Step-by-step explanation:

If you graph the equations, you see the lines intersect at the solution point:

  (x, y) = (1 2/3, 4 2/3)

7 0
3 years ago
Order the numbers from least to greatest.<br> 54%, 2/5, -0.45<br><br> SHOW YOUR WORK!
Tom [10]

Answer:

-0.45, 2/5, 54%

Step-by-step explanation:

54%=54/100

=87/50

2/5=20/50

-0.45 must be the smallest as it is negative

7 0
3 years ago
TIME REMAINING
Svet_ta [14]

Answer:

12.5h

Step-by-step explanation:

12.5 hr x h $/hr = $12.5h

7 0
3 years ago
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