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IRINA_888 [86]
2 years ago
10

Please give a step by step explanation with the reasons. Basically a proofs column. Thank you.

Mathematics
1 answer:
lesya692 [45]2 years ago
8 0
Angle 4 equals angle 5, when all angles are equal and the triangles are similar
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What is x? -3(2x-7)+5=2x-9
vitfil [10]

Answer:

x=4.375

Step-by-step explanation:

-3(2x-7)+5=2x-9

-6x+21+5=2x-9

-6x+26=2x-9

-6x-2x+26=2x-2x-9

-8x+26=-9

-8x+26-26=-9-26

-8x=-35

-8x/-8=-35/-8

x=4.375

4 0
3 years ago
Read 2 more answers
The circle shown is centered at the origin and contains the point (-4, -2). What is the length of the diameter of the circle? Ro
trasher [3.6K]

Step-by-step explanation:

Equation for circle centered at origin:

x² + y² = r².

Therefore r² = (-4)² + (-2)² = 20, r = √20.

Hence d = 2r = 2√20 = 8.94 (2d.p.)

8 0
3 years ago
- - Use the Quadratic Formula to solve the equation x2 – 2x = -9.​
mina [271]

No solution


Hope that helps

4 0
2 years ago
A cookie factory uses 1/3 of a bag of flour in each batch of cookies. The factory used 2/3 of a bag of flour yesterday. How many
Mumz [18]

Answer:

They made 2 batches

Step-by-step explanation:

If the factory used ⅔, and 1 batch is ⅓, the factory made 1 batch for each 3rd they used. ⅔, 2 batches

7 0
3 years ago
Find the solution of the system of equations.<br><br> -x+2y=-15<br> 8x-2y=-20
Grace [21]

Answer:

the answer is (-5,-10)

hope this helps :)

8 0
3 years ago
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