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BabaBlast [244]
4 years ago
14

Need help with this question (-2x+3a-6)+(-5x-7a)

Mathematics
2 answers:
Valentin [98]4 years ago
5 0
-2x + 3a - 6 - 5x - 7a....combine like terms
-7x - 4a - 6 <==
Elena L [17]4 years ago
3 0
Combine like terms. -2x + -5x = -7x. 3a + -7a = -4a. So the answer is -7x -4a -6.
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I need help with this proof.<br>​
mylen [45]

Answer:

My proof is in the explanation.  

Step-by-step explanation:

This is a two-column proof.

One column for statements and the other for the reason for that statement.

Hopefully it shows up well on your screen. Let me know if it doesn't.

Statement                                          |        Reason

1) CD is the perpendicular                   1) Given

bisector of AB

2) AD=DB                                              2) Definition of bisector

3) CD=CD                                              3) Reflexive property

4) mAngleCDA=90                               4) Definition of perpendicular

5) mAngleCDB=90                               5) Definition of perpendicular

6) mAngleCDA=mAngleCDB               6) Substitution property

7) Corresponding parts of each           7)  SAS

triangle are congruent                                (side-angle-side)

8) AC=CB                                               8) The two triangles are ............................................................................congruent so

                                                                   the corresponding parts ............................................................................are

                                                                   congruent.

4 0
3 years ago
Please help!!!!!!!!!!!!
o-na [289]

Answer:

-9/5

Step-by-step explanation:

8 0
4 years ago
mr Lloyd's class raised 700$ this year to help manatees mrs Lloyd's class raised 636 for manatees how much more did mr Lloyds cl
yaroslaw [1]

Answer:

74 dollars

Step-by-step explanation:

When you see many more it means subtract

700

<u> ⁻636</u>

<u>074</u>

<u>74 dollars</u>

<u />

6 0
4 years ago
gary has 30 beads. He puts all the beads on strings. each string has five beadshow many strings dose gary use. Here is another o
mariarad [96]

Answer:

6

Step-by-step explanation:

30 beads

5 per string

30/5 = 6

6 0
3 years ago
What is AC?<br> I NEED HELP!!!!
kodGreya [7K]

Answer:

its a i belive

Step-by-step explanation:

4 0
3 years ago
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