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salantis [7]
4 years ago
8

Please Simplify these expressions:

Mathematics
2 answers:
Dahasolnce [82]4 years ago
6 0

Answer:

.

Step-by-step explanation:

1.2a+4a+10-6

=6a+4.

2.-7+7+3x-5x

=-2x.

3.-15b+10+10b

-15b+10b+10

=-5b+10

4.-8-6-4d+d+3b

-14-3d+3b.

weeeeeb [17]4 years ago
3 0

Answer:

1) 2a+4a+10-6= 6a + 4

2) 3x-5x+7-7= -2x

3) - 15b+10 +10b= -5b + 10

4) - 4d+d-8-6+3b= - 3d - 14 +3b

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Use slope-intercept form to graph each system of equations and solve each system.
kvv77 [185]

Answer:

(0,3), graph is attached.

Step-by-step explanation:

We know that the first equation will increase 2 points in y for every 1 x, since the constant next to x is 2. We also know it's y-intercept will be 3.

As for the second equation, we know it will have no y and instead run through the y=3 line, crossing every value of x.

Graphing this, we see that these lines intersect at (0,3) so that's the solution to this system.

Hope this helped!

8 0
3 years ago
A car dealer recently had a promotion which they gave a 7% discount to the first 50 people through the door. if you are one of t
kiruha [24]

The discount amount would be $1470.00

the new cost of the car would be $19530.00

For given question,

A car dealer gave a 7% discount to the first 50 people through the door.

the car you are interested in cost $21,000.00

We need to find the discount amount and the new price of the car.

A car dealer gave a 7% discount.

this means, to find the discount amount, we need to find the 7 percent of $21,000.00

⇒ discount amount = 7 percent of $21,000.00

⇒ discount amount = (7 / 100) × 21,000.00

⇒ discount amount = $1470.00

So, the new price of the car would be,

the new price of the car = original price - discount amount

⇒ the new price of the car = $21,000.00 - $1470.00

⇒ the new price of the car = $19530.00

Therefore, the discount amount would be $1470.00

the new cost of the car would be $19530.00

Learn more about the percent here:

brainly.com/question/22111589

#SPJ4

5 0
2 years ago
Solve for y . <br><br> -9 = 3 / y<br><br> Simplify your answer as much as possible.
vivado [14]
You said that -9 = 3/y

Multiply each side by  y :  -9y = 3

Multiply each side by -1 :  9y = -3

Divide each side by  9 :  y = -3/9

Simplify the fraction :     y = -1/3
7 0
3 years ago
Read 2 more answers
Help please! if you answer correctly i will give brainliest
kotykmax [81]

Answer:

lesser x =1

greater x = 3

Step-by-step explanation:

x^2 -4x+3 =0

Factor

What two numbers multiply to -3 and add to -4

-3*-1 = 3

-1+-1 = -4

(x-3)(x-1) =0

Using the zero product property

x-3 =0   x-1 =0

x=3  x=1

8 0
3 years ago
Read 2 more answers
Please help me on this
grandymaker [24]
X = 25


1. in order to find x we must add all sides to add to 180.

2. One all added combine like terms.

3. Solve for x

(4x + 10) + (x+26) + (x+14)

6x + 30 = 180

subtract 30 from both sides

Leaves you with

6x = 150

Dived by 6

x = 25
4 0
3 years ago
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