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kolbaska11 [484]
3 years ago
8

Why it is not possible for two lines to be parallel and perpendicular?

Mathematics
1 answer:
max2010maxim [7]3 years ago
7 0
Parallel lines have the same slope. for example, the two lines y = 6x + 3 and
y = 6x - 5 are parallel because they have the same slope, 6x.

the slopes of perpendicular lines are opposite reciprocals, which means that you would flip the numbers of the fraction and make it negative. for example, the opposite reciprocal of -3x is 1/3x.

also, parallel lines never intersect, whereas perpendicular lines intersect at a 90 degree angle.

therefore, it isnt possible for two lines to be both parallel and perpendicular.
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For the function f(x)=|4x−2|+10, evaluate f(−3).
Orlov [11]

Answer:

f(-3)=24

Step-by-step explanation:

So we have the function:

f(x)=|4x-2|+10

To find f(-3), substitute -3 for x:

f(-3)=|4(-3)-2|+10

Multiply within the absolute value:

f(-3)=|-12-2|+10

Subtract:

f(-3)=|-14|+10

The absolute value of -14 is 14. Thus:

f(-3)=14+10

Add:

f(-3)=24

And we're done!

7 0
3 years ago
this table shows how the cos of pacos birthday party depends on the number of guests cost of pacos birthday party determine the
Verizon [17]

Answer:

it would be 60

Step-by-step explanation

<em>4*5= 20 </em>

<em>8*5=40</em>

<em>12*5=</em><u>  60</u>

<u></u>

We multiply by 5 because if we divide 20/4=5, 40/8=5, 60/12=5.

4 0
4 years ago
Una nadadora entrenó todos los días durante 21días. El primer día nadó 15 minutos, y cada día nadaba 5 minutos más que el día an
nadya68 [22]

Responder:

1 hora 55 minutos; 22 horas 45 minutos

Explicación paso a paso:

Dado que:

Tiempo el primer día = 15 minutos

Minutos adicionales cada día siguiente = 5 minutos

Número total de días

Usando la fórmula del enésimo término de una progresión aritmética:

Tn = A + (n - 1) d

A = primer trimestre = 15

d = diferencia común = 5

n = enésimo término

Tiempo de nado el último día (n = 21)

T21 = 15 + (21 - 1) 5

T21 = 15 + 20 * 5

T21 = 15 + 100

T21 = 115 minutos

= 1 hora 55 minutos

SEGUNDO.)

Suma de minutos durante las 3 semanas

Suma de n términos:

Sn = n / 2 * (primer término + último término)

Primer término = 15

Último trimestre = a21 = 115 minutos

n = número de términos = 21

Por lo tanto,

Sn = 21/2 * (15 + 115)

Sn = 10,5 * (130)

Sn = 1365 minutos

= 22 horas 45 minutos

3 0
3 years ago
A. <br> B. <br> C.<br> D.<br> Please help
poizon [28]

Answer:

Clearly, the answer is 20/9, simplify it, and thats your answer! <3

<em>Hope that helped! <3</em>

<em>Byee!</em>

3 0
3 years ago
Read The question and give Me The answer for number 17
Andre45 [30]

Answer:

( - 5,2);( -2, -3); (4, -1)

So your answer is: A.

3 0
3 years ago
Read 2 more answers
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