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yan [13]
2 years ago
14

Can you help me solve 5(X+2)²= 4(X+3)​

Mathematics
1 answer:
icang [17]2 years ago
8 0

Answer:

5X²+16X+8=0

Step-by-step explanation:

5(X+2) (X+2)=4(X+3)

5(X²+2X+2X+4)=4(X+3)

5(X²+4X+4)=4(X+3)

5X²+20X+20=4X+12

5X²+20X-4X+20-12=0

5X²+16X+8=0

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AVprozaik [17]

Answer:

Step-by-step explanation: The surface area is the area of the rectangular base (length width) plus the areas of each of the four triangular faces. The area of a triangle is 1/2 base height so all that remains is to find the height of each of the triangular faces.

3 0
3 years ago
Nate walks 25 meters in 13.7 seconds. if he walks at the same rate, which of the following is closest to the distance he will wa
Nookie1986 [14]
Distance:time=25:13.7
ratio and propriton

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3 years ago
The table below shows the relationship between the number of teaspoons of baking powder in a mix and the height of fudge brownie
rosijanka [135]

Answer:

Option A. y=0.28x+0.75

Step-by-step explanation:

Let

y -----> the height of fudge brownies in centimeters

x ----> teaspoons of baking powder

step 1

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The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

take the points

(5,2.15) and (6,2.43)

substitute the values

m=\frac{2.43-2.15}{6-5}

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step 2

Find the equation of the line in point slope form

y-y1=m(x-x1)

we have

m=0.28

(x1,y1)=(5,2.15)

substitute

y-2.15=0.28(x-5)

Isolate the variable y

y-2.15=0.28x-1.4

y=0.28x-1.4+2.15

y=0.28x+0.75

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julia-pushkina [17]

Answer:

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