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Bad White [126]
2 years ago
15

The distance between city A and city B is 22 miles. The distance between city B and city C is 54 miles. The distance between cit

y A and city C is 51 miles.
What type of triangle is created by the three cities?

an acute triangle, because 222 + 542 >512
an acute triangle, because 222 + 512 >542
an obtuse triangle, because 222 + 542 >512
an obtuse triangle, because 222 + 512 >542
Mathematics
1 answer:
Dmitry [639]2 years ago
7 0

Answer:

To be honest I'm not very sure. I think it's either one of the obtuse answers. If not, then feel free to correct me.

Step-by-step explanation:

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The perimeter of a triangle is 27. Each side of the triangle has length 2x-3. What is the value of x?
Bezzdna [24]

Answer:

x=6

Step-by-step explanation:

To find the perimeter of the triangle you need to add up all the sides, so if all the sides are 2x-3 the equation will look like this;

2x-3+2x-3+2x-3=27

which when combining like terms will leave it to be;

6x-9=27

Than move all the factors besides x over to the right side;

6x-9+9=27+9

6x = 36

6x/6 = 36/6

x = 6

so your answer will be x=6

8 0
2 years ago
Evaluate -x^2-2x+5 when x=-10
kvv77 [185]
If I'm correct and the ^ stands for multiplication then the answer should be 5.

The picture is my work just ignore the fraction.

6 0
3 years ago
3/8 as a decimal is ??
KatRina [158]

Answer:

0.375

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Solve the proportions using cross products. Round to the nearest hundredth is necessary. 21miles/49hours = 15miles h hours
SSSSS [86.1K]

\dfrac{21}{49}=\dfrac{21:7}{49:7}=\dfrac{3}{7}\\\\\dfrac{21}{49}=\dfrac{15}{h}\to\dfrac{3}{7}=\dfrac{15}{h}\qquad\text{cross multiply}\\\\3h=(7)(15)\\\\3h=105\qquad\text{divide both sides by 3}\\\\\boxed{h=35}\\\\Answer:\ 35\ hours

8 0
3 years ago
I WILL MARK YOU BRAINLIEST! PLEASE HELP ME FIND THE VALUE OF X
alexdok [17]

Answer:

X=27

Step-by-step explanation:

6x6 =36 divided by 2= 23 + 4 =27

9x9=54 divided by 2=27

8 0
3 years ago
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