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lakkis [162]
3 years ago
11

Here is a scale drawing of a swimming pool where 1 cm represents 1 m. The dimensions of the drawing are 6.5 cm by 13 cm.

Mathematics
1 answer:
DochEvi [55]3 years ago
3 0

Answer:

1cm

Step-by-step explanation:

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Solve this system of equations. Write the answer as an ordered pair.
baherus [9]
-2x + 6y = 6

6y - 6 = 2x

6(y-1) = 2x

(1/2) * 6(y-1) = 2x * (1/2)

x = 3(y-1)

------------

If, x = 3(y-1),

-7 * 3(y-1) + 8y = -5

-21 * (y-1) + 8y = -5

-21y + 21 + 8y = -5

21 + 5 = 21y - 8y

26 = 13y

y = 26/13

Therefore: y=2.

----------

If y=2,

x = 3(2-1) = 3

-----------

Answers:

x=3 and y=2.
7 0
3 years ago
write an equation to solve for x your only writing the equation. 7x+9 5×+3 there's three answers the bottom one is if none of th
professor190 [17]

Answer:

<h2>7x + 9 + 5x + 3 = 180</h2>

Step-by-step explanation:

its a supplementary angles:

so the equation is add the two equation equals to 180

7x + 9 + 5x + 3 = 180

3 0
3 years ago
The size of a television is given by the length ofthe diagonal of the screen. the ratio of the height to the width of wide flat-
lbvjy [14]
The diagonal of the tv screen is given by:
 d = root ((w) ^ 2 + (h) ^ 2)
 Where,
 w: width
 h: height
 In addition we have the following relationship:
 h / w = 8/15
 Thus,
 For the width:
 d = root ((w) ^ 2 + ((8/15) w) ^ 2)
 For the high:
 d = root (((15/8) h) ^ 2 + (h) ^ 2)
 Answer:
 
The expressions for the width and height of a wide-screen tv in terms of the length of its diagonal are:
 
d = root ((w) ^ 2 + ((8/15) w) ^ 2)
 
d = root (((15/8) h) ^ 2 + (h) ^ 2)
5 0
3 years ago
The price of a bracelet is $1.29. If the tax rate is 5%, find the total cost of<br> the bracelet
Salsk061 [2.6K]

Answer: $1.35

Step-by-step explanation:

1.29 * 5% = 1.29 * 0.05 = 0.0645

0.0645 rounds down to 0.06

1.29 + 0.06 = 1.35

3 0
3 years ago
F(x) = (x - 4)(x+2) ?
oee [108]

Answer:

Step-by-step explanation:

f(x) = (x - 4)(x + 2)

f(x) = x^2 + 2x - 4x - 8

f(x) = x^2 - 2x - 8

8 0
3 years ago
Read 2 more answers
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