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Natali5045456 [20]
2 years ago
5

Help pt.idk lol plzz​

Mathematics
1 answer:
scoray [572]2 years ago
5 0

Step-by-step explanation:

15 x 3 = 45

13 x 3 = 39

So

45 ÷ 3 = 15

39 ÷ 3 = 13

36 ÷ 3 = 12

X=12

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Leokris [45]
The answer would be 15 +20x. You have to combine like terms.
 
                             2+6+7+20x
                              8+7+20x
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5 0
3 years ago
Given: x+y=10
Lorico [155]

Answer:31

Step-by-step explanation:

6 0
2 years ago
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What value of k will result in the quadratic having one rational solution if 4x2+kx+4=0?
PtichkaEL [24]

The value of 'k' in the quadratic Equation    4x^{2}+kx+4=0 having one rational solution is k is 8.

<h3>What is a Quadratic Equation?</h3>
  • Quadratic equations are the polynomial equations of degree 2 in one variable of the type f(x) = ax^{2} + bx + c = 0 where a, b, c, ∈ R and a ≠ 0.
  • The standard form of a quadratic equation is ax^{2} + bx + c = 0 .

Here, the given equation is  4x^{2}+kx+4=0

By comparing the given equation with the standard form of the quadratic equation we get,

a = 4

b = k

c = 4

The given quadratic is having one rational solution, which means b^{2} -4ac=0

Therefore,

k^{2} -4 \times 4\times4=0\\k^{2} -64=0\\k^{2} =64\\k=\sqrt{64} \\k=8

Therefore, the value of k is 8.

Learn more about the quadratic equation is brainly.com/question/8649555

#SPJ4

7 0
1 year ago
PLEASE HELP WILL GIVE BRAINLY
schepotkina [342]

Answer:

.

Step-by-step explanation:

sorry I dont know this... I'm sorry

4 0
3 years ago
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What is the volume of a right circular cylinder with a base diameter of 18 yd and a height of 3 yd? Enter your answer in the box
Alinara [238K]

1. V = r² π hV = 3² π · 10 = 90 π in³Answer: C.2. r = 18/2 = 9 yd, h = 3 ydV = 9² π · 3 = 243 π yd³3. r = 46.25 / 2 = 23.125 cmh = 18.5 cmV = 23.125² · 3.14 · 18.5 = 31,064.53 cm³4. h = 1934,  d = 1934 · 125 = 241,750 ,  r = 241.750 / 2 = 120,875 V = 120,875² · 3.14 · 1934 = = 14,610,765,625 · 3.14 · 1934 = = 88,727,673,056,875



5 0
3 years ago
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