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dalvyx [7]
3 years ago
11

What value of w that makes the equation true 2/3(w+3) = 7

Mathematics
1 answer:
alexdok [17]3 years ago
3 0
The answer is 7.5 or 15/2
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Find the distance between the following points<br> C(11, -12), D(6, 2)
Lady bird [3.3K]

Answer:

14.9

Step-by-step explanation:

Formula=\sqrt{(x2-x1)^{2} +(y2-y1)^{2}

x1=11; y1=-12; x2=6; y2=2

Putting these values in the formula, the result will be 14.866≡14.9

3 0
3 years ago
Can you find x I don’t know how.
kodGreya [7K]

Answer:

7

Step-by-step explanation:

(x+3)/(x+8) = 2/3

3x + 9 = 2x + 16

x = 7

8 0
3 years ago
Square root of -19 in terms of i​
yulyashka [42]

Answer:

i√19

Step-by-step explanation:

Because √(-19) = √(-1)√19, and because √(-1) = i, we get i√19

7 0
3 years ago
The length of a rectangle is 2 more than twice the width. The area of the
vlada-n [284]

Answer: w=5 , L= 2+2(5)=12

Step-by-step explanation:

L=2+2W

A= 60

LxW=60, now we will replace the L

(2+2W)(W)=60   we multiply

2w^2+2w=60

2w^2+2w-60=0  we divide by 2 the equation so we can work easier

w^2+w-30=0

find out w using the quadratic equation

we will get 2 solution,

w=5 and another solution is -6, which is not valid, as the side can not be negative

8 0
2 years ago
A rectangle has a width of 2cm and a perimeter of 25cm. Find the length and the area .
Gwar [14]

2w + 2l = 25

2 * 2 + 2l = 25

<em><u>Simplfiy.</u></em>

4 + 2l = 25

<em><u>Subtract 4 from both sides.</u></em>

2l = 21

<em><u>Divide both sides by 2.</u></em>

l = 10.5

Now that we have the value of l, we can find the area.

A = lw

A = 10.5 * 2

A = 21.

The length is 10.5cm.

The area of the rectangle is 21cm^2

5 0
3 years ago
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