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KonstantinChe [14]
4 years ago
11

Pls helpppppppppppppp

Mathematics
1 answer:
dexar [7]4 years ago
5 0

Answer:

-1/36

Step-by-step explanation:

-5/18  - ( -1/4)

Subtracting a negative is like adding

-5/18 + 1/4

Getting a common denominator of 36

-5/18 *2/2 + 1/4 *9/9

-10/36 + 9/36

-1/36

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Help! What's 26% of 130?
Salsk061 [2.6K]

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130 x 0.26 = 33.8

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3 0
4 years ago
Read 2 more answers
2x2 − 10x − 28 6x × 6 x − 7
Simora [160]

Answer:

no real solutions

Step-by-step explanation:

If equation is...

2x^2 - 10x - 28 = 6x(6x) - 7\\2x^2 - 10x - 28 = 6x^2 - 7\\0 = 4x^2 + 10x + 21\\4x^2 + 10x + 21 = 0

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7 0
3 years ago
Complex numbers are used in electronics to describe the current in an electric circuit. Ohm's law relates the current in a circu
Marina CMI [18]

Answer:

E = 3072i - 5904ohms

Step-by-step explanation:

From ohms law recalled that E = IR given already

E = voltage (volts)

I = Current (amps)

R = resistance (ohms)

Therefore, by substitution

I = 16i and R = (2+4)ohms(32+66i)

= 6(32+66i) ohms

= (192+396i)ohms

E = (16i)×(192+396i)

E = 3072i + 5904i²

Recall that i² = -1 from complex number

E = 3072i +5904(-1)

E = 3072i - 5904ohms

5 0
3 years ago
2. Dibuja la mesa de tu casa, denota los puntos evidentes y nombra los siguientes elementos u objetos geométricos.
Gre4nikov [31]

Answer:

a) The floor of the room, each edge and the top of the table.

b) The edge of one side and one leg of the table.

c) The angle formed between the sides of the table and the angle between the legs of the table and its edges.

d)  The vertices of the top of the table.

e) These are same lines.

Step-by-step explanation:

An angle is the amplitude between the two lines. Plane is an object which consists of two dimensions and infinite points. The segment is a fragmented line. A ray is a line which a starting point and a direction.

7 0
3 years ago
Mr.Mckay bought b boxes of crackers for $3 each and p pounds of cheese for $4 per pound.How much did he spend in all.
yulyashka [42]
3b + 4p= amount spent
8 0
3 years ago
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