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jolli1 [7]
2 years ago
13

Which expression is equivalent to √-80? 4√5 -4√5 -4i √ 5 4i √ 5

Mathematics
1 answer:
miskamm [114]2 years ago
6 0

Answer:

  4i√5

Step-by-step explanation:

\sqrt{-80}=\sqrt{(-1)(16)(5)}=\sqrt{-1}\cdot\sqrt{16}\cdot\sqrt{5}=4i\sqrt{5}

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harkovskaia [24]

Answer:

1. 24  2. 20  3. 1.75(I think)  4. 11

Step-by-step explanation:

3 might be incorrect but The others seem more correct than ever :)

8 0
2 years ago
Give The Algebraic Expression
bulgar [2K]
1. 5-x=15

2. x+12<25

3. 2x-5>47

4. 4(8+x)=88

5.

\frac{2}{3} x = 72

6. x+15=-8

7. x-48=62

8. 10÷2x<1/4

9.

2x - \frac{1}{3} x = 28

10. 2+2x=48

11. 4x+8=20

12. 6x+19=79

13. 6x-8>15

14. x+(x+1)=29

15. x+(x+2)=46
3 0
3 years ago
Which of the following options correctly describes the graph below
Mazyrski [523]
What’re the options?
6 0
3 years ago
Can someone please help me with this. whoever answers first will be the brainleyist
pav-90 [236]

Answer:

Step-by-step explanation:

6(5+x) = 30 + 6x

1. Distribute the 6 to both the 5 and the x.

7x5x3 = 105

1. Just multiply them together.

28 - 3(2+4)/9 = 26

1. PEMDAS

2. Add inside the parenthesis: 28 - 3 x 6 / 9

3. Multiply: 28 - 18 / 9

4. Divide: 28 - 2

5. Subtract: 26

6 0
2 years ago
If a rectangle has a base of 6 units, and a height of 8 units, what is its area?
Morgarella [4.7K]

Answer:

a=48 units^2

Step-by-step explanation:

The area of a rectangle can be found using:

a=bh

We know the base is 6, and the height is 8, so we can substitute them in

a=6*8

a=48

Area uses units squared, so,

a=48 units^2

4 0
3 years ago
Read 2 more answers
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