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expeople1 [14]
3 years ago
14

Which of these expressions is equivalent to z + 2 + 2 + 2? o 4+4 4+ 42 424

Mathematics
2 answers:
Sonbull [250]3 years ago
5 0
4z I think I’m pretty sure tho
VMariaS [17]3 years ago
4 0

Answer:

D

Step-by-step explanation:

when you add a variable it turns into a square

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What is the equation of a line that passes through point r(−3, 5) and has a slope of 4?
nexus9112 [7]
The equation of any line is:
y=mx+b  m is slope.

We just need to put inside of equation x=(-3) and y=5:
5=4*(-3)+b
17=b

It follows that equation of a line is:
y=4x+17
4 0
3 years ago
1. A multi-cab starter motor has a current of 60.0 A and a voltage of 12 V. What is
Marrrta [24]

Answer: 0.20 Ω

Step-by-step explanation:

From the question, we are informed that a multi-cab starter motor has a current of 60.0 A and a voltage of 12 V. The resistance of the starter motor will be calculated thus:

Current (I) = 60.0A

Voltage (V) = 12V

Resistance = Unknown

Since Voltage = Current × Resistance

Therefore, Resistance = Voltage / Current

= 12/60

= 0.20 Ω

The resistance of the motor is 0.20 Ω

3 0
3 years ago
Why are we teching hligh levels of math at lower grades
Oksanka [162]

Answer:

I have no idea

Step-by-step explanation:

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8 0
3 years ago
Find the value of x in the triangle
lianna [129]

Answer:

x = 29 degrees

Step-by-step explanation:

We know that all of the angles inside of a right triangle add up to 180. We also know that a right angle is 90 degrees. We can do 61 + 90 = 151. 180 - 151 = 29. This means that x = 29 degrees.

7 0
2 years ago
Read 2 more answers
en un maratòn participan corredores de todos los continentes 5/6 de los corredores son europeos se sabe que los americanos son l
Marysya12 [62]

Usando proporciones, se encuentra que 400 africanos han participado.

En total, hay x participantes.

\frac{5}{6} de los corredores son europeos, o sea:

E = \frac{5x}{6}

Los americanos son la dècime parte de los europeos, o sea:

Am = \frac{1}{10}E = \frac{5x}{60} = \frac{x}{12}

Los africanos son la quinta parte de los americanos, o sea:

Afr = \frac{1}{5}Am = \frac{x}{60}

En la carrera han inscritos 24 000 participantes, o sea, x = 24000. Por eso, la cantidad de africanos es:

Afr = \frac{x}{60} = \frac{24000}{60} = 400

Para obtener más información sobre las proporciones, puedes visitar a brainly.com/question/24615636

8 0
2 years ago
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