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lesya692 [45]
3 years ago
14

PLEASE HELP ITS A TEST Solve for x : - 1/2 (x + 3) - 10 = -6.5

Mathematics
1 answer:
Ksju [112]3 years ago
4 0

Answer hey:

Step-by-step explanation:

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If you subtract a negative number from that same number you are taking a negative amount from the negative number you started wi
inn [45]

Answer:

Step-by-step explanation:

If u got two negative number such as (-6)+(-7) your answer will be positive 13.

If u got one negative number and one positive number like (-10)-(5) the answer will be negative like -5

7 0
3 years ago
A candle shop sells scented candles for $16 each and unscented candles for $10 each.The shop sells 28 candles today and makes $4
fredd [130]
The number of scented candles ... x
the number of unscented candles ... y

x + y = 28
$16 * x + $10 * y = $400  ... 16 * x + 10 * y = 400

If you would like to know how many scented and how many unscented candles did the shop sell today, you can calculate this using the following steps:

x + y = 28 ... x = 28 - y
16 * x + 10 * y = 400
____________________
16 * (28 - y) + 10 * y = 400
16 * 28 - 16 * y + 10 * y = 400
448 - 400 = 16 * y - 10 * y
48 = 6 * y    /6
y = 48 / 6
y = 8

x = 28 - y = 28 - 8 = 20

Result: The candle shop sold 20 scented candles and 8 unscented candles today.
8 0
3 years ago
Read 2 more answers
The difference of twice a number and 9
Harlamova29_29 [7]

Answer:

I belive that the answer is 8

3 0
3 years ago
Read 2 more answers
Performing a Rotation in the Coordinate Plane
Brums [2.3K]

Answer:

W: (-4,5) W' -> (5,4)

X: (-1,4) X' -> (4,1)

Y: (-6,1) Y' -> (1,6)

Z: (-8,3) Z' -> (3,8)

Step-by-step explanation:

Let me give you a quick brief of how to master rotations!!

You need to understand the formula and positioning rules

The formulas shall be given by teachers or looked up!

*** BUT THE SHAPE POSITIONING RULES MATTER!!

-If the shape was in quadrant 2 which is where it is right now then a 90 degree turn clockwise would result in the shape being on quadrant 1, 180 quad 4, 270: quad 3, and 360 would be the original quad which is 2.

The formula for clockwise for this one is that you need to flip the (x,y) to (y,x)

The shape should be on quadrant 1 which is the one on the top right of the coordinate plane!


They want you to graph it by W'X'Y'Z

The ' is prime which is the new position/coordinate

W: (-4,5) W' -> (5,4)

X: (-1,4) X' -> (4,1)

Y: (-6,1) Y' -> (1,6)

Z: (-8,3) Z' -> (3,8)

That is the rotation 90 degrees clockwise coordinates!!

***REMEMBER EACH ROTATION RULE HAS A DIFFERENT FORMULA!!**

Counterclockwise is pretty similar but the opposite direction with different rules!

**POSITION OF THE SHAPE IS THE MOST IMPORTANT!!!**

4 0
3 years ago
8x +144 &lt; 2000<br> Solve the in equation and graph
avanturin [10]

Answer:

8x + 144 < 2000

-144

8x < 1856

- ------

8 8

x < 232

7 0
3 years ago
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