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denis23 [38]
3 years ago
13

Which expression is a way to represent the ratio of a to b?

Mathematics
1 answer:
Trava [24]3 years ago
4 0
The answer would be C.. It can also be written as a:b or a to b
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Please help me. its attached
liq [111]

Answer

5. ΔABC ≅ ΔDEF is true.

6. ΔABC ≅ ΔGHI is not true.


Step by step explanation

5. Find the lengths of the triangle ABC.

BC = 3

Use the distance formula to find the length of AB and AC

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

Coordinates of A = (1, 4) and B = (2, 2).

Now plug in these values in to the distance formula.

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

AB = \sqrt{(1)^1 + (-2)^2}

AB = √1 + 4

AB = √5

Now let's find the length of AC.

A = (1, 4), C = (5, 2)

Use the distance formula and the length of AC.

AC = \sqrt{(5 - 1)^2 +(2 - 4)^2}

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

AC = √(16 + 4)

AC = √20

Now let's find the length of GI

G = (6, 6) and I = (8, 1)

Use the distance formula.

GI = √(2)^2 + (-5)^2

GI = √(4 + 25)

GI = √29.

The length of EF = 3, DE = √5, EF = √20

Now let's compare the two triangles ABC and DEF.

The sides of the triangle ABC is equal to the sides of the triangle DEF

By SSS property,  ΔABC ≅ ΔDEF.


6) The side length of GI = √29 which is not equal to the side length of AC = √20.

Therefore, the ΔABC ≅ ΔGHI is not true.

Hope this will help you.

Thank you.


5 0
3 years ago
Please help me
marissa [1.9K]

Answer:

24 Blocks

Step-by-step explanation:

Hope this helps

4 0
3 years ago
Read 2 more answers
39 ft/min is how many yd/s
Arlecino [84]
0.0181 yd/s. To solve this problem you use dimensional analysis. You convert the feet and minutes to yards and seconds by using this process. The units of feet and minutes cancel out, so you are left with yards per second. You should get 0.0180555555 when you multiply and divide everything, but you can just round it to 0.0181 or whatever place your teacher wants.

4 0
3 years ago
Read 2 more answers
If f(x) = -3x+1 then f^-1(x) =
elena55 [62]

Answer:

please mark me brainliesf if it helps you

f(x) = -3x+1

or, y = -3x + 1

Interchanging the position of x and y, we get,

x = -3y +1

or, 3y = 1 - x

or, y = 1 - x /3

: . f^-1(x) = 1-x / 3

8 0
2 years ago
SOMEONE PLEASE ANSWER THIS ASAP FOR BRAINLIEST!!!!!!
yulyashka [42]
2(5x^2+2x)+2(3x^2)
10x^2+4x+6x^2
16x^2+4x

D is the correct answer.
5 0
3 years ago
Read 2 more answers
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