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Bezzdna [24]
3 years ago
5

Can someone please help me on these 4 questions PLEASE HELP ME!!

Mathematics
2 answers:
Dovator [93]3 years ago
6 0
<h2>8= 10x+40</h2><h3>10x= 8-40</h3><h3>10x= -32</h3><h3>x= -32÷10</h3><h3>x= -3.2</h3>

<h2>2b+3b-10= 20</h2><h3>5b= 20+10</h3><h3>5b= 30</h3><h3>b= 30÷5</h3><h3>b= 6</h3>

<h2>4(3x-1)= 24+5x</h2><h3>12x-4= 24+5x</h3><h3>12x-5x= 24+4</h3><h3>6x= 28</h3><h3>x= 28÷6</h3><h3>x= 4.66</h3>

<h2>2x+17-9+x= 5x-1</h2><h3>2x+x-5x= -1-17+9</h3><h3>3x-5x= -18+9</h3><h3>2x= -9</h3><h3>x= -9÷2</h3><h3>x= -4.5</h3>

please mark this answer as brainlist

Harrizon [31]3 years ago
4 0

Answer:4 ans x is -32/10

7 ans b  is 6

10 ans x is 25/7

13 ans x is 9/2

Step-by-step explanation:

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Artemon [7]

Answer:

51

Step-by-step explanation:

24 ^2+45^2=x^2

=51

6 0
3 years ago
Use distributive property. 4 x 63 = ??
aleksandrvk [35]

Answer:

(4) * (63)

252

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4 0
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What is the name of a survey that includes all members of a population being studied
Alexxandr [17]
That would be a census!
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3 years ago
Replace * with a monomial in such a way, that the trinomial becomes a perfect square. *+12x+1
Mrrafil [7]

Answer: * = 36x^2

Note: Im guessing you're here for rsm struggles. That's how I found this question. I searched the web for the answer to this rsm problem, but I couldnt find it. I was happy to find this brainly link, but annoyed to find it was unanswered. I did the problem, and now i'll help future rsm strugglers out. Thanks for posting this question.

Step-by-step explanation:

Ok, so we know that trinomials like this are squares of binomials. this in mind, we know that it can also be written as (x+y)^2. (also brainly's exponents feature used to be better, if the exponents are confusing you, comment.) Using the (x+y)^2 equation, you know that by simplifying it, you get x^2+2xy+y^2. Basically we're looking for x^2. Using the middle term, 2xy, or 12x in this equation, we can find x. since we know the square root of 1 is 1, we know 12=2x. This is kinda confusing, but basically since the answer is 6, we know that the x-term is 6x. We square 6x and get 36x^2. guaranteed to work on the rsm student portal, i'm in rsm and i just answered this question.

Hope this helps! Also, im not usually too active on brainly unless im looking for HW answers, so if you understand this explanation and you see a confused comment, help out a friend and answer it. Happy holidays!

4 0
2 years ago
Help please asap . please explain your answer
vesna_86 [32]

Answer:

y = -6x + 2

Step-by-step explanation:

Slope intercept form: y = mx + b

m is the slope

b is the y-intercept

The line pictured goes down 6 for each 1 it moves to the right, slope is rise over run, in this case, -6/1 or just -6

The y-intercept is the point that the function crosses the y-axis, in this case 2

Plug those in to get:

y = -6x + 2

3 0
3 years ago
Read 2 more answers
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