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Alenkasestr [34]
2 years ago
5

SimplifySquare root of 50 over 2 times -4 + square root of 121

Mathematics
1 answer:
kobusy [5.1K]2 years ago
4 0

Answer:

  -9

Step-by-step explanation:

  \sqrt{\dfrac{50}{2}}\cdot(-4)+\sqrt{121}=-4\sqrt{25}+11=-4\cdot5+11\\\\=-20+11=\boxed{-9}

Your calculator can help with this.

You might be interested in
which ordered pairs are a solution to the question y=8× select all that apply (-1,-7)(2,16)(1,8)(-2,-6)​
abruzzese [7]

Answer:

(2,16) , (1, 8)

Step-by-step explanation:

(-1,-7), x = -1 and y = -7

plug in

y = 8x

-7 = 8 * -1

-7 = -8, false

(2,16), x=2 and y = 16

plug in

y= 8x

16 = 8 * 2

16 = 16, so it is a solution

(1,8), x = 1 and y = 8

plug in

y = 8x

8 = 8 * 1

8 =8 , so it is a solution

(-2,-6), x = -2, y = -6

plug in

y = 8x

-6 = -2 * 8

-6 = -16, false

6 0
3 years ago
I need help with this question
Viefleur [7K]

Answer:

m = -1

Step-by-step explanation:

m = (1 - 3) / (4-2)

m = -2/2

m = -1

4 0
3 years ago
Use the graph of y =g(x) to graph the given function.
Semenov [28]

Answer:

See image attached

Step-by-step explanation:

This type of transformation corresponds to a reflection of the function's graph around the x axis. Therefore one should obtain the mirror image of the segments on he upper quadrant as shown in red in the attached image.

3 0
3 years ago
Trey took 5/4
Shkiper50 [21]

Answer:

3/4 more hours

Step-by-step explanation:

Hours taken to clean bedroom = 5/4

Hours taken to clean den = 1/2

How much more = 5/4 - 1/2

5-2/4 (common denominator)

3/4 more hours (It's a propper fraction, so we can't write it as a mixed number)

Answer from Gauthmath

8 0
3 years ago
AC=23,<br> AB=2x+2, and <br> BC=3x+6<br> Find BC.
Kryger [21]

Answer: 9

Step-by-step explanation:

8 0
3 years ago
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