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pantera1 [17]
3 years ago
7

2x+55=105pls hurry ​

Mathematics
2 answers:
Rudiy273 years ago
6 0
X=25

2(25)+55=105

50+55=105

To solve:

1) Rewrite equation
105=55+2x

2) Subtract 55 from both sides
50=2x

3) Divide both sides by 2
25=x
labwork [276]3 years ago
4 0

Answer:

x = 25.

Step-by-step explanation:

Move all of the terms that don't contain x to the right side and solve.

Hope this helps,

Davinia.

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How many and what type of solution(s) does the equation have?
Lunna [17]
<span>Let's use the quadratic formula:

2w² -</span><span><span> 20w </span>+ 50 = 0</span>
a = 2  b = -20  c = 50


x = -b +-sq root(b^2 - 4*a*c) / 2*a
x = --20 +-sq root(400 -4*2*50) / 4
x = 20 +-sq root(400 -4*2*50) / 4
x = 20 +-sq root( 0) / 4
x = 20 / 4 =5
I'd say it has one rational solution. 
It does NOT have 2 solutions because the "plus / minus" section = 0.


3 0
3 years ago
3/4X+3-2X =-1/4+1/2X+5<br> How do I solve this
kozerog [31]
3/4x+3-2x=-1/4x+1/2x+5
3x+12-8x=-x+2x+20
-5x+12=x+20
-5x-x=20-12
-6x=8
-6x/-6=8/-6
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6 0
4 years ago
3. Graph each equation.<br> a. 2x + 3y = 12<br><br><br> b. x=7
Effectus [21]

Answer:

The first pic is for 2x +3y = 12 and the second is for x=7

5 0
3 years ago
1 less than 1/4 Question: Peggy is pp years old. ​ ​Maggie is 11 year less than \frac{1}{4} 4 1 ​ of Peggy's age. ​ ​What is Mag
Nonamiya [84]

Answer:

M=\dfrac{(p-44)}{4}\ \text{years}

Step-by-step explanation:

Given that,

Peggy is p years old.

​Maggie is 11 year less than 1/4 of Peggy's age.

It means,

Maggie's age,

M=\dfrac{1}{4}\times p-11\\\\M=\dfrac{p}{4}-11\\\\M=\dfrac{(p-44)}{4}

So, Maggie's age is \dfrac{(p-44)}{4} years.

8 0
3 years ago
Which graph shows the solutions to the inequality ?
love history [14]

Answer:

3

Step-by-step explanation:

arrow points the way

4 0
4 years ago
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