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GarryVolchara [31]
2 years ago
11

Find the values of the variables in this kite.

Mathematics
1 answer:
Luda [366]2 years ago
8 0

Answer:

x = 7

y = 16

Step-by-step explanation:

The ticks mean congruency

1. y - 4 = x + 5

2. 2x + 5 = x + 12

We need to calculate equation 2 first.

2x + 5 = x + 12

Minus 5 on both sides

2x = x + 7

x = 7

y - 4 = x + 5

Plug x

y - 4 = 7 + 5

y - 4 = 12

y = 16

Hope this helps :)

Have a great day!

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Girl 45 mins to Deliver papers on her route however if her brother have a good solid 20 minutes how long would it take if it was
LenKa [72]

Answer:

36 minutes

Step-by-step explanation:

It takes 45 mins to deliver paper on her route.

Let X be the amount of time it takes the brother to complete the route.

The brother works at the rate of 1/x route per min

The girl works at the at the rate of 1/45 route per min

Girl and brother working together works at rate of 1/20 route per min

1/x + 1/45 = 1/20

Multiply through by 180x

180 + 4x = 9x

4x - 9x = -180

-5x = -180

x = -180 / -5

x = 36 mins.

It takes the brother 36 minutes to complete route alone.

7 0
3 years ago
Does anyone know if each square weighs 5 pounds. what is the weight of a single triangle?
steposvetlana [31]
3 pounds bc there is 5 triangles for 15 pounds of squares
4 0
3 years ago
Ayo helppp ill give u anthing
kicyunya [14]

Answer:

16.9 m

Step-by-step explanation:

Start with a half a circle. The central angle of a semicircle is 180 deg.

Now subtract 21 deg on each side.

180 - 21 - 21 = 138

The central angle is 138 deg.

The radius is 7 m.

Now we use the formula for the length of an arc of a circle given the radius of the circle and the central angle of the arc.

s = \dfrac{n}{360^\circ}2 \pi r

s = \dfrac{138^\circ}{360^\circ}2(3.14159)(7~m)

s = 16.9~m

4 0
3 years ago
I need help solving this equation -3=9/(5-2k)/5
Amanda [17]

Solve for k by simplifying both sides of the equation, then isolating the variable.

k= 14/5



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