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nadezda [96]
3 years ago
8

Help me Instead of typing random answers

Mathematics
2 answers:
ElenaW [278]3 years ago
8 0

Answer:

whats the question

Step-by-step explanation:

Andrej [43]3 years ago
4 0

Answer:

42

Step-by-step explanation:

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the ratio of the number of boys to the number of girls in a school is 4:5 there are 95 girls in the school work out the total nu
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The answer to this question is 167
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Consider the following pair of equations:
Aloiza [94]
Y = 3x + 3 this is equation 1
y = x -1 this is equation 2
since equation 1 and 2 already defined y in terms of x, we're just gonna substitute y into the other equation. as 2 is shorter I'm going with that today
x - 1 = 3x +3
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now we've got x just sub it in equation 2
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2 years ago
Given m | n, find the value of x.<br> m<br> n<br> 68<br> (6x+8)
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As 6x+8 = 68

=> x = 10

Hope it helps

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Irina currently exercises 135 minutes each week. She is planning to increase that by 15 minutes every week from now on. The expr
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3 0
3 years ago
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The width of a rectangle is six meters less than three times its length. If the area of the rectangle is 105 square meters. what
Kipish [7]

Answer:

length = 7 meters

Step-by-step explanation:

l = length

w = width

w = 3×l - 6

l×w = 105 m²

l×(3×l - 6) = 105

3×l² - 6×l = 105

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solution of a squared equation is

(-b ± sqrt(b² - 4ac))/(2a)

a = 1

b = -2

c = -35

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so, l = 7 meters remains.

7 0
3 years ago
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