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mel-nik [20]
3 years ago
8

Please help. Thank you.

Mathematics
1 answer:
damaskus [11]3 years ago
7 0
(10x + 4) + (5x-4) ≈ 180

solve for x and you get x≈12 
 
plug 12 in to 5x-4 and you get 56 
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The graph shows the system y=2x+1 y=2x^2+1 Which ordered pairs are solutions of the system?
zhenek [66]
Hey!


To solve this problem, we would really have to graph both equations.

<em>OPEN THE FIRST IMAGE</em>

The first image I provided was the image of this equation graphed: <span>y=2x+1

<em>OPEN THE SECOND IMAGE</em>

The second image I provided was the image of this equation graphed: </span><span>y=2x^2+1


<em>PLEASE DO NOT LOOK AT THE THIRD IMAGE YET!</em>


The first image has two points. One at ( -0.5, 0 ) and the other at ( 0, 1 ).

The second image has only one point, which is at ( 0, 1 ).

<em>OPEN THE THIRD IMAGE</em>

Now, when both are combined we see that they intersect at two points, which are ( 0, 1 ) and ( 1, 3 ).

So, our answer is...

<em>The ordered pairs that are the solution to the system are</em>  </span><span>( 0,1 ) and ( 1,3 ).

Hope this helped!


- Lindsey Frazier ♥</span>

3 0
3 years ago
Translate into an algebraic expressions: b is decreased by 40% and decreased again by 40% . What is the result ?
Vikki [24]

Answer:

b-4/5b

Step-by-step explanation:

b is decreased by 80%

dat is 80/100×b

= b-80/100b

b-4/5b

5 0
2 years ago
I need the answer to this problem please help me
LekaFEV [45]
I'm pretty sure both B and C equal 12 as well
Since the triangle equals 180 and the angels are all congruent
7 0
3 years ago
4) Suppose y varies inversely with the SQUARE ROOT of x.
Savatey [412]

Answer:

Variation equation: y = k/√x

constant of variation: 200

Variation Equation by plugging the value of k: y = 200/√x

Step-by-step explanation:

If y varies inversely with the SQUARE ROOT of x, then;

y = k/√x

If  x = 4, y = 100.

100 = k/√4

100 = k/2

200 = k

k = 200

Substitute into the expression

y = k/√x

y = 200/√x

7 0
3 years ago
What are some benefits of representing data sets using frequency distributions?
nekit [7.7K]

Answer:

no answer

Step-by-step explanation:

no answer

to be checked in options

3 0
1 year ago
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