21 – 8(w + 3) + 3 + 7w

Answers

Answer 1

Answer:

Answer: -w

Step-by-step explanation:

21 – 8(w + 3) + 3 + 7 w

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If the price of an item is increased by 12%, the increase in the price is sh.90. Find the new price of the item.

Answers

Hello!

Answer:

Hence,the new price of the item is 840 shillings.

Answer:

sh.840

Step-by-step explanation:

Let x = original price.

12% of x = 90

0.12x = 90

x = 90/0.12

x = 750

The original price was sh.750

The new price is 750 + 90 = 840

Answer: sh.840

Solve the equation. 6 = 2(x + 8)- 5x
a. 2/3
b. 3 1/3
c. - 2/3
d. -3 1/3

Answers

6 =2(x+8)-5x
6 =2x+16-5x
6-16=2x-5x
-10=-3x
10=3x
x=10/3
hence proved

Where does y=2x-3 and y=-x+3 intersect?

Answers

Substitute -x+3 for the y in the first equation so it reads -x+3=2x-3 then solve for x getting x=2. thats your x coordinate for the point of intersection. Then choose either equation and plug in 2 for x and solve. Thats your y coordinate, which is 1. So the point of intersection is (2,1).

$y=2x-3\ny=-x+3\n\n2x-3=-x+3\n3x=6\nx=2\n\ny=-2+3\ny=1\n\n\text{They intersect at the point }(2,1)$

What is the equation of a vertical line passing through the point (-4, 7)?

Answers

Answer:

x=-4

Step-by-step explanation:

Since we know that the equation will be x= we will just have to take the x value of the coordinate point and that would be the x so in this case the x is -4 so the equation would be x=-4

4(8x + 1) − 3x = 2 − 3(4x + 2)
good luck!