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Black_prince [1.1K]
3 years ago
14

Please help with these two questions thank you.

Mathematics
1 answer:
prohojiy [21]3 years ago
6 0
1. Perpendicular Transverse Theorem
2. a=30 and b=60
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How many soultions does 5(x-3)+6=5x-9
olya-2409 [2.1K]

5(x - 3) + 6 = 5x - 9 has no solution

<em><u>Solution:</u></em>

We have to find the number of solutions for the given equation

Given equation is:

5(x - 3) + 6 = 5x - 9

Multiply the terms inside with bracket with constant outside the bracket

5x - 15 + 6 = 5x - 9

Add the constants in left hand side of equation

5x - 9 = 5x - 9

If the coefficients are the same on both sides, then the sides will not equal, therefore no solutions will occur.

Here, 5x - 9 = 5x - 9

The coefficients are same in both sides of equation

Therefore, the equation has no solution

5 0
3 years ago
Solve the equation for the indicated variable ab+9=3b-5c for b
mote1985 [20]
ab+9=3b-5c \ \ |-3b\\ \\ -3b+ab  +9=3b-3b-5c \\ \\ -3b +ab+9=-5c \ \ | -9 \\ \\-3b+ab+9 -9=-5c-9 \\ \\-3b +ab =-5c-9 \ \ / \cdot (-1) \\ \\ 3b-ab =5c+9 \\ \\b(3-a)=5c+9 \ \ /:(3-a)\\ \\b=\frac{5c+9}{3-a}&#10;
7 0
3 years ago
Which equation represents a line which is parallel to the line 3x+ y = 8?
ruslelena [56]

Answer:

well there will be a lot of lines , so this one per example y=-3x, so if you add a value just like this -3x +2, this also is parallel to the line 3x+y=8

7 0
2 years ago
What are the coordinates of point (6,-2) after D o, 1/2
nikdorinn [45]
<h3>Answer:   (3, -1)</h3>

Explanation: Cut each coordinate in half.

In other words, multiply each coordinate by 1/2 = 0.5

6*0.5 = 3

-2*0.5 = -1

The point (6,-2) moves to (3, -1) after the dilation. This trick only works because the origin is the center of dilation.

7 0
3 years ago
8.1 ÷ 0.9+0.4^3 ÷ 0.8 ⋅ 30
EastWind [94]

Answer:

11.4

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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