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alexandr402 [8]
2 years ago
10

Will mark brainliest, pls help

Mathematics
2 answers:
elena-s [515]2 years ago
5 0

Answer:

None of the answer options are correct

Step-by-step explanation:

cs + rh = w

cs = w - rh

s = (w - rh)/c

The second one could be corrected by exchanging c with 1/c

The last one would be correct with judiciously applied parentheses.

The first and third have too many errors to even bother trying to correct.

answer could also be written

s = w/c - rh/c  

but it is not considered reduced form.

Step2247 [10]2 years ago
3 0

9514 1404 393

Answer:

  (d)  s = (w − rh)/c

Step-by-step explanation:

Undo what is done to the variable. It is multiplied by c and rh is added to that product.

  cs +rh = w . . . . . given

  cs = w -rh . . . . . undo the addition of rh: add -rh to both sides

  s = (w -rh)/c . . . . undo the multiplication by c: divide both sides by c

_____

<em>Additional comment</em>

Each entire side of the equation is divided by c. That means the entire expression (w-rh) is divided by c. It is incorrect to write that division as w-rh/c. The division bar (/) in plain text only refers to the immediately preceding and the immediately following tokens as its operands. When the expression is typeset, the division bar serves as a grouping symbol, showing you the entire numerator.

  s=\dfrac{w-rh}{c}

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A football field is 120 yards long and 160 yards wide. How many square yards of grass is needed to cover the field? Show your ca
sleet_krkn [62]

Answer:

19,200 yds²

Step-by-step explanation:

The question is asking for how many <em>square yards</em> of grass is needed

This means that it is looking for the Area.

The formula for area is <em>Length x Width = Area</em>

<em>120</em> (Length)

<em>160</em> (Width)

<em>120 x 160</em> = 19,200

The unit of measurement is yards...

19,200 yds²

8 0
3 years ago
I need help please please I appreciate it! ):
telo118 [61]

Answer:

!. Scale factor = 5

2. Scale factor = \frac{1}{5}

Step-by-step explanation:

scale = \frac{length in drawing}{actual length}

1. To increase the numbers, let the scale factor be \frac{5}{1} = 5. So that;

0.05 x 5 = 0.25

\frac{1}{2} x 5 = 0.5 x 5 = 2.50

7 x 5 = 35.00

13 x 5 = 65.00

25 x 5 = 125.00

102 x 5 = 510.00

2. To decrease the numbers, let the scale factor be \frac{1}{5}. So that;

0.05 x \frac{1}{5} = 0.01

\frac{1}{2} x \frac{1}{5} = 0.5 x \frac{1}{5} = 0.10

7 x \frac{1}{5} = 1.40

13 x \frac{1}{5} = 2.60

25 x \frac{1}{5} = 5.00

102 x \frac{1}{5} = 20.40

6 0
3 years ago
Please help me with this
kobusy [5.1K]

Answer:

=  

2 1/ 18

Step-by-step explanation:

2 1/2 plus  5/9 Calculation steps: (0 + 1) +(5/9 + 1/2)  

7 0
2 years ago
Read 2 more answers
Round 43,276 to the nearest 100
bezimeni [28]

Answer:

43,300

Step-by-step explanation:

Starting with 2 since its in the hundredths and going over one place to the tenths, we see 7 <em>is </em> greater than 5 so we make the 2 a 3 and replace everything after with 0's

43,300!!

4 0
3 years ago
What is the factored form of x^2 - 196 ?
Luba_88 [7]
D. (x-14)(x+14)
a negative and a positive multiplied makes a negative outcome so -14•+14=-196. x•x is = to x^2
8 0
3 years ago
Read 2 more answers
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