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marta [7]
3 years ago
11

The vertices of ΔGHI are G(-3,0), H(-5,-5), and I(1,-5). What are the coordinates of the image after being reflected over the y-

axis?

Mathematics
1 answer:
s2008m [1.1K]3 years ago
6 0
After reflecting the points of triangle GHI over the y axis, the new points will be:
G' (3,0)
H' (5,-5)
I' (-1,-5)


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One angle of the following triangle measures 2x. How many degrees does that angle
ella [17]

<u>Given</u><u> info</u><u>:</u><u>-</u> In triangle (∆)ABC , in which ∠A = 2x, ∠B = x+15° and ∠C = 2x + 10°. Then find the value of x , also find the measure of each angles of a triangle.

<u>Explanation</u><u>:</u><u>-</u>

Let the angles be 2x, x+15 and 2x+10 respectively.

∵ Sum of the three angles of a triangle is 180°

∴ ∠A + ∠B + ∠C = 180° [Sum of ∠s of a ∆=180°]

→2x + x+15 + 2x+10 = 180°

→ 2x + x + 2x + 15 + 10 = 180°

→ 3x + 2x + 15 + 10 = 180°

→ 5x + 15 + 10 = 180°

→ 5x + 25 = 180°

→ 5x = 180°-25

→ 5x = 155°

→ x = 155°÷5 = 155/5 = 31.

Now, finding the measure of each angles of a ∆ABC by putting the original value of “x”.

∴ ∠A = 2x = 2(31) = 62°

∠B = x+15 = 31 + 15 = 46°

∠C = 2x + 10 = 2(31) + 10 = 62 + 10 = 72°.

3 0
3 years ago
A recipe for cake needs ¾ of a cup of milk. You are making ½ of the recipe. How much milk do you need?
belka [17]

Answer:

3/8 cups

Step-by-step explanation:

divide 3/4 by two

4 0
3 years ago
Michael wants to rent a boat and spend less than $53 the boat cost six dollars per Michael wants to rent a boat and spend less t
ASHA 777 [7]
Hi hope I helped, ok so first 6×7=42 and its less than 53 so ur answer is 42
5 0
3 years ago
Can anyone help me on this one?
sertanlavr [38]

Answer:

6

Step-by-step explanation:

a=1/2 b*h

a=1/2 3*4

a=1/2 12

a=6

:)

7 0
3 years ago
Read 2 more answers
HELP
Alla [95]

Answer:

She did not use the reciprocal of the divisor.

She added the numerators.

8 0
3 years ago
Read 2 more answers
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