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defon
3 years ago
9

Find the value of 7w-2 given that - 2w-4=6 .

Mathematics
1 answer:
Vesnalui [34]3 years ago
4 0

Answer:

w= -5

Step-by-step explanation:

  • -2w - 4 = 6
  • -2w - 4 + 4 = 6 + 4
  • -2w = 10

Isolate "w":

  • \frac{-2w}{-2} = \frac{10}{-2}
  • w = -5
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(2x2 + 5x - 7) + ( 3 - 4x2 + 6x)
velikii [3]

\qquad\qquad\huge\underline{{\sf Answer}}♨

Here's the solution :

\qquad \sf  \dashrightarrow \:(2 {x}^{2}  + 5x - 7) + (3 - 4 {x}^{2}  + 6x)

\qquad \sf  \dashrightarrow \: 2{x}^{2}  + 5x   - 7 + 3 - 4 {x}^{2}  + 6x

\qquad \sf  \dashrightarrow \:2 {x}^{2}  - 4 {x}^{2}  + 5x + 6x - 7 + 3

\qquad \sf  \dashrightarrow \: - 2 {x}^{2}  + 11x - 4

3 0
2 years ago
The Sweet Treat sells 40 lbs of gummy bears and 30 caramel apples every day. At this rate, how many lbs of gummy bears will be s
Sliva [168]

Answer:

8 pounds of gummy bears.

Step-by-step explanation:

To find this answer I did:

40/30 = 4/3

Then,

4/3 x 6 = 24/3

This simplified is 8.

To check:

8/6 x 5 = 40/30

3 0
2 years ago
1. The great pyramid at Giza is the largest pyramid in the world, the area of its square base is 52,441 m squared, what is the l
AlladinOne [14]

Answer:

The length of each side of the base is 229\ m

Step-by-step explanation:

we know that

The area of a square is equal to

A=b^{2}

where

b is the length side of a square

In this problem we have

A=52,441\ m^{2}

so

substitute in the formula

52,441=b^{2}

Square root both sides

b=\sqrt{52,441}\ m

b=229\ m

3 0
2 years ago
What is the commission rate for a car salesman who earned $1500 in commission on a 25,000 car?
STALIN [3.7K]

Answer:

6%.

Step-by-step explanation:

6 0
2 years ago
The figure shown is formed by the arcs joining the midpoints of the four sides of a square with a side length of 15 centimeters.
Mademuasel [1]
Ok so if The area of the square is 15 * 15. then what you need to do is subtract the total area of the 4 white sectors of a circle. Together, the 4 sectors form one circle of radius 7.5. Now yu need to have in mind that the area of the circle they jointly form is pi * (7.5)^2. So  15 * 15 - pi * (7.5)^2 =<span>48.29
Hope this is useful</span>
4 0
3 years ago
Read 2 more answers
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