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Elis [28]
3 years ago
8

CAN SOMEONE PLEASE HELP ME WITH THIS QUESTION? 4x+2=7x-37

Mathematics
2 answers:
Blababa [14]3 years ago
6 0
Ok

4x+2-2= 7x-37-2

4x= 7x - 35

4x-7x= 7x-7x-35

-3x/-3 = -35/-3

X = 35/3
grin007 [14]3 years ago
5 0
<h2>Answer:</h2><h2>x = 13</h2><h2 /><h2>Hope this helps!!</h2>

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A certain forest covers an area of 3900 km2 . suppose that each year this area decreases by 8% . what will the area be after 10
stiv31 [10]

<span><span>A = P(1-r)^t
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A = 3900(1-0.08)^10

A = 3900(0.92)^10 </span></span><span><span>

A = 3900(0.434388454)

A = 1694.11

1694 square km</span></span>


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3 years ago
How to put -1,-2,4,3,-6 in order?
ExtremeBDS [4]
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2. The radius of a circle is 7cms. The angle subtended by an arc of the circle at centre is 45º. Find the area of sector.​
Vitek1552 [10]

Answer:

19.2cm²

Step-by-step explanation:

Given parameters:

Radius of the circle  = 7cm

Angle subtended by the arc  = 45°

Unknown:

Area of the sector = ?

Solution:

To find the area of the sector, use the expression below;

     Area of sector = \frac{Angle of the arc}{360} x \pi r^{2}

where r is the radius ;

 Insert the parameters and solve;

       Area of sector = \frac{45}{360} x \pi x 7²

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3 0
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mario62 [17]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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a) The weekly wages of employees of Volta gold are normally distributed about a mean of $1,250 with a standard deviation of $120
Fantom [35]

Answer:

0.7102

0.8943

0.3696

Step - by - Step Explanation :

A.) Between $1320 and $970

P(Z < 1300) - P(Z < 970)

find the Zscore of each scores and their corresponding probability uinag the standard distribution table :

P(Z < (x - μ) /σ) - P(Z < (x - μ) / σ))

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P(Z < 0.5833) - P(Z < - 2.333)

0.7200 - 0.0098 = 0.7102 (Standard

=0.7102

B.)Under 1400

x = 1400

P(Z < 400)

P(Z < (x - μ) /σ)

P(Z < (1400 - 1250) /120)

P(Z < 1.25) = 0.8943

C.) Over 1290

P(Z > 1290)

P(Z < (x - μ) /σ)

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P(Z > 0.3333) = 1 - 0.6304 = 0.3696

4 0
3 years ago
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