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RoseWind [281]
2 years ago
10

Determine the perimeter of quadrilateral CGHI

Mathematics
1 answer:
Murljashka [212]2 years ago
5 0

Answer:

if the sides are 2, 3, 4.2, 2.6 then the perimeter is 11.8

Step-by-step explanation:

just add them together

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A train is traveling at a speed of 60 miles per hour. What happens to the number of miles when the number of hours
belka [17]

Answer:

It multiplies

Step-by-step explanation:

if the number of hours changes to example to 2 then you multiply 60 by 2 resulting in 120miles in 2 hours

5 0
3 years ago
What is two mixed numbers that have the sum of 3
Juli2301 [7.4K]
Mixed numbers are a mix of a whole number and a fraction
a easy one is
1 and 1/4+1 and 3/4
1 and 1/2 +1 and 1/2
1 and 9/10 and 1 and 1/10
etc
6 0
3 years ago
The coordinates G(7,3), H(9, 0), (5, -1) form what type of polygon?
Marrrta [24]

Answer:

Is an acute triangle

Step-by-step explanation:

we know that

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

G(7,3), H(9, 0), I(5, -1)

step 1

Find the distance GH

substitute in the formula

d=\sqrt{(0-3)^{2}+(9-7)^{2}}

d=\sqrt{(-3)^{2}+(2)^{2}}

GH=\sqrt{13}\ units

step 2

Find the distance IH

substitute in the formula

d=\sqrt{(0+1)^{2}+(9-5)^{2}}

d=\sqrt{(1)^{2}+(4)^{2}}

IH=\sqrt{17}\ units

step 3

Find the distance GI

substitute in the formula

d=\sqrt{(-1-3)^{2}+(5-7)^{2}}

d=\sqrt{(-4)^{2}+(-2)^{2}}

GI=\sqrt{20}\ units

step 4

Verify what type of triangle is the polygon

we know that

If applying the Pythagoras Theorem

c^{2}=a^{2}+b^{2} ----> is a right triangle

c^{2}> a^{2}+b^{2} ----> is an obtuse triangle

c^{2}< a^{2}+b^{2} ----> is an acute triangle

where

c is the greater side

we have

c=\sqrt{20}\ units

a=\sqrt{17}\ units

b=\sqrt{13}\ units

substitute

c^{2}= (\sqrt{20})^{2}=20

a^{2}+b^{2}=(\sqrt{17})^{2}+(\sqrt{13})^{2}=30

therefore

c^{2}< a^{2}+b^{2}

Is an acute triangle

6 0
3 years ago
Read 2 more answers
1. y = x + 2<br> y=-3x<br> What’s is the answer?
DiKsa [7]

Answer:

x=(-1/2)     y=(3/2)

Step-by-step explanation:

y=x+2      Given

-3x=x+2    Substitute (-3x) for y

-2-3x=x     Subtract 2 from both sides

-2=4x        Add 3x to both sides

(-1/2)=x      Divide both sides by 4.

y=x+2        Given

y=(-1/2)+2   Substitute (-1/2) for x

y=1 1/2

or

y=3/2

3 0
3 years ago
Solve the equation: 2(x-5)-8=34
Sunny_sXe [5.5K]

Answer:

2(x-5)-8=34

2x-10-8=34

2x-18=34

2x=52

x=26

8 0
3 years ago
Read 2 more answers
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