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GalinKa [24]
3 years ago
9

I don’t know how to do this.

Mathematics
1 answer:
sashaice [31]3 years ago
5 0

Answer:

Step-by-step explanation:

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Please help i will mark brainliest
SCORPION-xisa [38]

Answer:

Reflections and rotations

Step-by-step explanation:

Reflections and rotations preserves the distance and angle measurements.

8 0
3 years ago
Find the geometric mean for 8 and 12
Lynna [10]

Answer:

4√6   or 9.798 to the nearest thousandth.

Step-by-step explanation:

This is √(8*12)

= √96

= √16*√6

= 4√6.

5 0
3 years ago
Simplify 13 over the quantity of negative 3 plus 2i.
QveST [7]

13

−

3

+

2

i

Multiply by

−

3

−

2

i

−

3

−

2

i

to make the denominator of

13

−

3

+

2

i

real.

13

−

3

+

2

i

−

3

−

2

i

−

3

−

2

i

Combine.

13

(

−

3

−

2

i

)

(

−

3

+

2

i

)

(

−

3

−

2

i

)

Expand

(

−

3

+

2

i

)

(

−

3

−

2

i

)

using the FOIL Method.

Tap for more steps...

13

(

−

3

−

2

i

)

−

3

⋅

−

3

−

3

(

−

2

i

)

+

2

i

⋅

−

3

+

2

i

(

−

2

i

)

Simplify.

Tap for more steps...

13

(

−

3

−

2

i

)

9

−

4

i

2

Simplify each term.

Tap for more steps...

13

(

−

3

−

2

i

)

9

+

4

Reduce the expression by cancelling the common factors.

Tap for more steps...

−

3

−

2

i

7 0
3 years ago
Definition: obtained by listing the elements that are common to both sets.
Likurg_2 [28]
The answer is:

Intersection of Sets, otherwise known as Union of Sets. 

Have a great day ;)

3 0
3 years ago
Read 2 more answers
100 points + brainiest
Scrat [10]

Answer:

  • 35 grams of 11.43% solution

Step-by-step explanation:

The end solution has same volume as initial volumes of mixture.

  • 10 + 25 = 35 g

The concentration of solution is calculated as below

  • 10*0.15 + 25*0.1 = 4 g
  • 4 / 35*100% = 11.43% (rounded)

6 0
3 years ago
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