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Margaret [11]
3 years ago
15

1/150 : 2 = 1/200: X

Mathematics
1 answer:
NeTakaya3 years ago
7 0

Answer:

The value of X is X=\frac{3}{2}

Step-by-step explanation:

Given : \frac{1}{150} : 2=\frac{1}{200} : X

To find : The value of X ?

Solution :

\frac{1}{150} : 2=\frac{1}{200} : X

Converting ratios into fraction,

\frac{\frac{1}{150}}{2}=\frac{\frac{1}{200}}{X}

\frac{1}{150\times 2}=\frac{1}{200\times X}

Cross multiply,

200X=300

X=\frac{300}{200}

X=\frac{3}{2}

Therefore, The value of X is X=\frac{3}{2}

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1/128 = 2^(5x+3) <br><br><br>anybody know what x is
Jet001 [13]

Answer:

{2}^{(5x + 3)}  =  \frac{1}{128}  \\  {2}^{(5x + 3)}  =  \frac{1}{ {2}^{7} }  \\  {2}^{(5x + 3)}  =  {2}^{ (- 7)}  \\ 5x + 3 =  - 7 \\ 5x =  - 7 - 3 \\ 5x =  - 10 \\ x =  \frac{ - 10}{5}  \\  \boxed{x =  - 2}

  • <u>x = -</u><u>2</u> is the right answer.
5 0
3 years ago
So I know that |-5| =5 but what does this -|-5| equal? and explain why
valentina_108 [34]
Absolute value
means whatever is inside is positive, once we resolve the inside, work out

|-5|=5

now -5=?=-5

answer is -5 since - of + is negaitve
if you don't get it still think like this

|-5|=5
mulitp;ly by -1 everybody
-|-5|=-5
7 0
3 years ago
Last Year Boris paid £256 for his car insurance This year he has to pay £894 for his car insurance Work out the percentage incre
Agata [3.3K]

Answer:

%∆C = 249.22%

the percentage increase in the cost of his car insurance is 249.22%

Step-by-step explanation:

Given;

Cost of car insurance last year C1 = £256

Cost of car insurance this year C2 = £894

Percentage increase = change in cost/initial cost × 100%

%∆C = ∆C/C1 × 100%

%∆C = (C2-C1)/C1 × 100%

Substituting the given values;

%∆C = (894-256)/256 × 100%

%∆C = 249.21875%

%∆C = 249.22%

the percentage increase in the cost of his car insurance is 249.22%

7 0
4 years ago
Write an equation of the line that passes through the given point and is parallel to the given line.
Olegator [25]

Answer:

y = -3

Step-by-step explanation:

The given line is a horizontal line thru -5 on the y-axis.

Your line is parallel to y = -5, hence is also a horizontal line and passes thru (2, -3).  Since -3 is the y-coordinate of that point, y = -3 is the equation of the line you are looking for.

7 0
3 years ago
To the nearest tenth, find the volume of a sphere with a diameter of 36 cm. Use 3.14 for pi
pav-90 [236]

Answer:

V = 24416.6

Step-by-step explanation:

V = 4/3 pi r^3

V = 4/3 (3.14) 18^3

V = 4/3 (3.14) 5832

V = 4/3 (18312.48)

V = 24416.64

5 0
3 years ago
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