There were b boys and g girls in a classroom. After 10 girls left the room, the number of boys was twice the number of girls. Which of the following equations represents the relationship between b and 8-20 (A) b 2) 8-10 (B) b = (C) b = 2(g - 10) D) b = 2g - 10 %3D Answer E) b=2g Auswes B 2.

Q: B C 4x -5 2y + 10 y+3 D 2x + 4 A

A: This is a question based on concyclic quadrilateral. Proceed as shown below

Q: Can you answer it and explain your steps

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Q: A = 2a, + 4a, + 10a, and B = - 5a, За, %3D

A: Part (a) At point P(0,2,-5). ρ=x2+y2+z2=0+4+25=29 ϕ=tan-1yx=tan-1(∞)=π2   Transform the vector…

Q: D What is the value of p in the equation y² = -12x? -12 -4 -3 12

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Q: See below: (1+ i)w + (3 – 4i)x - (3 + 2i)y = -27 – 30i Given the system: (3 + 4i)w - (2 - i)x + (1 +…

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Q: 5e + 4f = 29 %3D 3e-2f = -9

A: Given equations:5e + 4f = 29 — 13e - 2f = -9 —22 × 2 ⇒ 23e - 2f = 2-9                     6e - 4f =…

Q: What is 20% of 60

A: method 1Step 1: express the percentage into decimal            20 % = 0.20  Step 2: multiply the…

Q: 4 1 6. B = -8 %3D %3D -3 3 -1 2.

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Q: -|3 7 6 A = no 2- Acop = ?

A:

Q: Evaluate ,C5 and 10P4- P = 10 4

A: 9C5 = 126 10P4 = 5040  The detailed solution is as follows below:

Q: y= -2x - 4 If x has a value of 4, what would the value of y be?

A: Let we are given - y= f(x) If x=a then y = f(a)

Q: y 1 2. 4 6. 2. 3.

A: Given:- X y 1 0 2 2 3 4 4 6     To find:- Equation of function by using above table

Q: 16−2t=t+9+4t what does t equal

A: The given equation is: 16-2t=t+9+4t   To solve the equation, all variables can be taken to one side…

Q: Find the unknown variable: C(6r, 6r -1) = 12 + C(4, 2)

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Q: 3x - 8y = 24 y = x – 8

A: To find values of x and y.

Q: Which equation is equivalent to 2(3x + 4) = 32? O 6x = 40 6x = 32 6x = 24 6x = 28

A:

Q: The equation y = ax² + bæ + e goes through the coordinates (-3, -34), (5, -2), and (7, -14). What…

A: y=ax2+bx+c   →1 Put -3, -34 in equation (1), we get 9a-3b+c=-34   →2 Put 5, -2 in equation (1), we…

Q: y y= kx2 15 8 10

A:

Q: What is the order of the following difference equation? Explain your answer. Yk+3 + a1Yk+2+a2Yk+1…

A: The n ordered homogenous difference equation is

Q: What is the value of the expression 4x -2y + xy, when x = -land y= 5 ? %3D

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Q: a cheer team is taking a road trip for a competition; there are 48 team members and coaches…

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Q: Tuesday Do Now a = 3b - 7 %3D A %3D 10 7c + 3b = 26 A = 8 3b 12 %3D O = 9

A: Since in figure 1, sum of two traingles is 4. So, triangle is equivalent to 4. Thus the circle is 6.…

Q: 6. -7х - 8y %3D 9 -4х + 9y = -22

A:

Q: nDC (12a+7) and mCB = (18r - 23). what is the mDA %3D %3D rite the setup equation you would use:

A: Given that:

Q: The cost of renting a backhoe can be represented by C(g,d)=2.44g+135d, where g is the number of…

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Q: Mr Lee bought a total of 280 peanut and strawberry donuts. He gave away of the peanut donuts and 2…

A: To solve the equation of the form xa=b-xc , use the below technique where a,c∈ℝ but a,c≠0 .…

Q: :find A+B?C 1 0 -3 2 B= 4 If A = 2 1 0 2

A: given matrices are                                           A=1421, B=-3240, C=1002 we have to find…

Q: Isha opened a bike shop in 2008 and in that year she sold y bicycles. The number of bicycles she…

A:

Q: p3. q2 p*•q" • r3 = p?q$r7 %3D r-4 %3D

A: We have to find n

Q: Find values for A, B, C, and D from the problem above

A: Let us calculate the area of the rectangle slicing through the cylinder vertically.  Looking at the…

Q: answer the following equation

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Q: -5g - 6 for g=-2

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Q: What is the value of y in the equation 4y- 2(1- y) = -44? O -23 O -15 O -14 O -7

A: here we get y=-7

Q: earl adds his grades for the second grading and obtains -12x3-7x2+32x-15. If he has (4x-3) subjects…

A: given: earl adds his grades for the second grading and obtains -12x3-7x2+32x-15. He has (4x-3)…

Q: = Z7w 6 = ZAX7W 8 %3D 72° 137

A: As there is the property of triangle that all the interior angles sum is 180degrees and the sum of…

Q: 3f+4g=19 3f+g= 7

A: Given set of equations are 3f+4g=19   ....... (1) 3f+g=7  ....... (2)