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motikmotik
3 years ago
15

1) Which expression is prime? A) 2x2 - 72 B) 3x2 - 147 C) 4x2 - x D) 6x2 + 7x + 3

Mathematics
1 answer:
Neporo4naja [7]3 years ago
7 0

The answer is D)6x^2 + 7x + 3

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What is the value of the expression?<br> 5(6-10)
MArishka [77]

Answer:

-20

Step-by-step explanation:

multiply 5 and 6 then 5 and -10

30-50=-20

6 0
3 years ago
Which shoes two expressions that are equivalent to (-8)(-12)(2)?
lana [24]

Answer:

the answer is(-8)(-12) l think

6 0
3 years ago
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Si un rectángulo con perímetro de 74 pulgadas tiene un largo de 5 pies más que el ancho,
baherus [9]

Perímetro del rectángulo = 74 pulgadas

Deje que el ancho del rectángulo sea 'x'.

Entonces, la longitud de este rectángulo = x + 5

We know that :

\color{hotpink}\tt \: Perímetro  \: del \:  rectángulo =\color{plum} 2 × (l + b)

Lo que significa :

=\tt 2(x + x + 5) = 74

=\tt 2(2x + 5) = 74

=\tt 4x +10 = 74

=\tt 4x = 74 - 10

=\tt 4x = 64

=\tt x =  \frac{64}{4}

\color{plum} =\tt x = 16

Por lo tanto, el ancho de este rectángulo = 16 pulgadas

Entonces, la longitud de este rectángulo :

=\tt x + 5

= \tt16 + 5

\color{plum} =\tt 21 \: pulgadas

La longitud de este rectángulo = 21 pulgadas

<h2>Por lo tanto :</h2>

● Longitud del rectángulo = <em>21 pulgadas</em>

● Ancho del rectángulo = <em>16 pulgadas</em>

3 0
3 years ago
Find the equation of the line
Gre4nikov [31]

Answer:

y= - 1/6x -1

Step-by-step explanation:

Given:

  • y= 6x -2
  • and point (6, -2)

Perpendicular line has slope of reciprocal opposite to the given: - 1/6, so the equation:

  • y= -1/6x + b

Finding b using the intersected point:

  • -2= -1/6*6 +b
  • b= -2 +1= -1

So the equation is:

  • y= - 1/6x -1
5 0
4 years ago
Work out the size of the angle marked t
tiny-mole [99]

Answer:

<h2>35°</h2>

Step-by-step explanation:

This is an isoceles triangle

And as we all know an isoceles triangle has two equal base angles.

And we also know that the sum of all interior angles of the triangle is 180°

So based on this we can form an algebraic equation of solve for angke t (Let's do it :))

110 + 2t = 180 \\ 2t = 180 - 110 \\ 2t = 70 \\ t  =  \frac{70}{2}  \\ t = 35

So the base angle is 35°

3 0
3 years ago
Read 2 more answers
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