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dexar [7]
4 years ago
12

I need to know these three

Mathematics
1 answer:
vekshin14 years ago
8 0

Answer:

x = 3.5

perimeter of each figure = 54

Step-by-step explanation:

Perimeter of square:  4(3x + 3)       12x + 12

Perimeter of equilateral triangle:  3(5x + 0.5) = 15x + 1.5

Solve for x:  12x + 12 = 15x + 1.5

Grouping like terms results in 10.5 = 3x, which leads to x = 3.5.

Each polygon has a perimeter of 12x + 12, which here is 12(3.5) + 12 = 54

x = 3.5

perimeter of each figure = 54

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In 3 hours a car traveled 180 kilometers. At the same average rate, how many kilometers can the car travel in 5 hours?
arlik [135]

Answer: 5 hours = 300 Kilometers

Step-by-step explanation: If a car can travel 180 kilometers in three hours then in one and a half hour that car can travel 90 kilometers. If you divide 90 by 3 you will find out that in a half hour that car can travel 30 kilometers. So add 180+90+30=300 that is the same as adding three hours+one and a half+thirty minute=five hours

Hope This Helps!!!!!

4 0
4 years ago
1. Point P is between points F and G. The distance between points F and P
Ivenika [448]

Answer:

Point P is in between points F and G.

Now, here we do not have the actual locations of F and G, so i will answer this in a general way.

Suppose that F is located at 0 and G is located at some value A.

Then the distance FG = A - 0 = A.

Now, the distance between F and P is:

Distance  = (1/4)*FG = A/4

Then the location of P is equal to the location of F plus A/4

P = 0 + A/4

Now, writing this in a more general way:

P = F + FG/4

8 0
3 years ago
write the equation of a line with that passes through given point and gas the given slope. Answer in general form​
KiRa [710]

Step-by-step explanation:

c) since m = undefined => the equation is

x = -2

d) the equation is

y-2= -1/7 (x+7)

=> y = -1/7 x -1+2

<=> y = -1/7 x + 1

8 0
3 years ago
Write an equation of the line passing through the point (-10,3) that is parallel to the line 5x+2y=12
dangina [55]

y= (-5/2)x - 22

because 5x+2y=12 turns to y=(-5/2)x + 6 and the line parallel to it has to have the same slope so you have to just get the y intercept by plugging in -10 into the equation (-5/2)(-10)+?=3 and ?= -22.

4 0
3 years ago
Simplify -3/2 * 9/6<br><br> A. -4<br> B. -1<br> C. 4<br> D. 1
zalisa [80]

Answer:

-2.25

Step-by-step explanation:

8 0
2 years ago
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