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Radda [10]
3 years ago
15

How do I solve this problem ?4x+7y=42 when X=9

Mathematics
2 answers:
schepotkina [342]3 years ago
8 0
Y
=
6
7. I think that's the answer
Rufina [12.5K]3 years ago
5 0
First you would plug in the 9 for x, then you would try to solve for y
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Elena and Noah used different methods to compute 0.23 x 1.5. Both calculations were correct. Analyze the 2 methods.
mafiozo [28]

Answer:

i have this same question. im sorry but i don't get it either. sorry..

Step-by-step explanation:

5 0
2 years ago
(5x – 3y + 8) + (-3x + 6y - 3)​
Wewaii [24]

Answer:

2x+3y+5

Step-by-step explanation:

Firstly, we remove the parenthesis since there is nothing in front of it.

There is a “+” sign in front of the parenthesis, it stays the same.

Secondly, we combine like terms. We combine the x’s, the y’s, and the normal numbers without a variable.

Finally, after combining the like terms. You end up with “2x+3y+5”.

8 0
3 years ago
Identify the postulate that proves the triangles are congruent.
Ratling [72]

Answer:

ASA

Step-by-step explanation:

Triangle ABD is congruent to triangle BDC by ASA because angle B in ABD  is 30 degrees. Then they give you BD which equals BD by the reflexive property. And finally angle D in ABD is also 30 degrees. In triangle BCD, angle B is 30 degrees, BD = BD, and angle D in BCD is 30 degress. So we have an angle (B), side (BD), and another angle (D)

6 0
3 years ago
Hi please can you help me this is a new topic and I’m very confused
olchik [2.2K]

Answer: the large jar is cheaper

Step-by-step explanation:

If you divide the £1.54 by 440g and £1.26 by 340g, you'll find which one is cheaper per gram :

1.54/440 = 0.0035

1.26/340 = 0.0037

So, by comparing both prices/gram, you've found that the large jar is cheaper.

8 0
2 years ago
Evaluate the question below<br> .<br> 12-2
MAXImum [283]

Answer:

=>12-2

=> 10

<em><u>You're Welcome</u></em>

<em><u>Hope this helps you.</u></em>

<h2><em><u>Pls</u></em><em><u>, mark it as the brainliest. I need it.</u></em></h2>
8 0
2 years ago
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