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Arlecino [84]
2 years ago
8

BC= AC= m When it’s a 45-45-90 triangle

Mathematics
1 answer:
Katena32 [7]2 years ago
3 0

Answer:

BC = 6

AC = square root of 72 or 8.485...

angle A = 45

Step-by-step explanation:

BC = BA

AC^2 = BA^2 + BC^2

angle A = 180-(90+45)

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Which of the following represents the distance
Lunna [17]

Answer:

D.  d = sqrt( ( x2-x1)^2 + (y2-y1)^2)

C.   d = sqrt( ( x1-x2)^2 + (y1-y2)^2)

B.  d = sqrt( (|x2-x1|^2 + |y2-y1|^2)

Step-by-step explanation:

Given two points (x1, y1) and (x2,y2)  we can find the distance using

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

The order of the terms inside the square doesn't matter

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

When we are squaring are term, we can take the absolute value before we square and it does not change the value

d = sqrt( (|x2-x1|^2 + |y2-y1|^2)

3 0
2 years ago
The area of a rectangle is greater than 60 ft. The width of the rectangle is 2x - 3 ft and the
34kurt

Answer:

Inequaliy: 2x-3(12)>60

X>48

Step-by-step explanation:

Since area of a rectangle is W(L)=A

The inequality given right here including length And width and area Plugged in would be

2x-3(12)>60.  (It’s >60 because the area stated in the problem said to be greater then 60 so we put a Greater then sign)

Combine like terms and solve

2x-36>60

Add 36 on both sides

2x>96

Divide 2 on both sides to isolate variable

x>48

Check:

2(50)-36>60 ( I used 50 because it’s greater then 48 and it’s a easy number to work with for just a check)

solve:

100-36>60

64>60✔️

7 0
2 years ago
−104=4x−4(2x+16)<br> I need a whole number i keep messing up
kotykmax [81]

Answer:

x=10

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Rossi is planning a date with his girlfriend. He plans for them to watch a movie, go out to dinner, and then attend a sporting e
Inga [223]

Answer:

109410480 dates.

Step-by-step explanation:

We can find 555*888*222 different dates = 109410480 dates.

This is because we can find the total number of combinations between the different choices by multiplying the numbers of each different factor.

Hope this helped!

6 0
2 years ago
Can someone help me with this exempalar? The requirements for this are...
Lyrx [107]

Answer:

I will: Multiply 32 times 20 to get the total cost of the foods and tickets. Then I will add the total cost of the tickets and the total cost of the bus to get the total cost of the trip. Lastly I will divide the total cost of the trip by 2 to find out how much money the class need to earn.

Solution: 32 • 20 = 640 + 900 = 1,540 ÷ 2 = 770

Answer: 770

6 0
3 years ago
Read 2 more answers
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