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anygoal [31]
2 years ago
6

Frank worked 48 hours this week. He gets paid $18 per hour for the first 40 hours and then

Mathematics
1 answer:
EastWind [94]2 years ago
4 0
Frank made roughly around $792 in total this week
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Which expression is equivalent to?
katen-ka-za [31]

Answer:

The answer is D x(9 root y^2

7 0
2 years ago
A box 4 cm by 6 cm by 8 cm is painted on all six faces and then cut into cubes with the 2 cm sides. How many of these cubes have
VMariaS [17]

Answer:

  4

Step-by-step explanation:

2 cubes on each 6 × 8 face will have one surface painted. The sides of dimension 4 cm do not have enough width to have any cubes with only one face painted.

Hence, there are a total of 4 cubes with one face painted.

8 0
3 years ago
What is an equation of the line that is perpendicular to y-4=2(x-6) and passes through (-3,-5)
Nat2105 [25]

Answer:

y = -1/2 x - 13/2

Step-by-step explanation:

what is an equation of the line that is perpendicular to y-4=2(x-6) and passes through (-3,-5)

First, we need the slope of the given line.

y - 4 = 2(x - 6)

y - 4 = 2x - 12

y = 2x - 8

The slope of the given line is 2.

The slopes of perpendicular lines are negative reciprocals, so the slope of the perpendicular is -1/2.

y = -1/2 x + b

We use the given point as x and y and solve for b.

-5 = -1/2(-3) + b

-10 = 3 + 2b

2b = -13

b = -13/2

The equation of the perpendicular line is:

y = -1/2 x - 13/2

4 0
3 years ago
A Jésica le piden hacer dos esculturas triangulares idénticas. En la primera le solicitan que su perímetro sea de 80 centímetros
grigory [225]

La esculturas triangulares tendrán las siguientes medidas 16.66 cm, 40 cm y 23.32 cm.

<h3>¿Qué e el perímetro?</h3>

Es la suma total de los lados del triángulo, en este caso el perímetro total es de 80.

<h3>¿Cómo calcular las dimensiones del triángulo?</h3>

Se pueden calcular usando el total y la información sobre cada lado:

  • x+4 + 3x+2 + 2x-2 = 80
  • 6x + 4 = 80
  • 6x = 80 - 4
  • 6x = 76
  • x = 76/ 6
  • x = 12.66

Finalmente calcule cada lado:

  • A. x+4 = 12.66 + 4 = 16.66
  • B. 3x + 2 = 3 x 12.66 + 2 = 39.98 o 40
  • C. 2x - 2 = 23.32

Aprenda más sobre perímetro en: brainly.com/question/24514946

3 0
2 years ago
16. Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.
il63 [147K]

Answer:

Given equation are:

y = -\frac{1}{4}x+8                  ......[1]

-2x+8y = 4                             .....[2]

  • The two lines are parallel lines then their slopes will be equal.
  • When two lines are perpendicular then, the slope of lines are the negative reciprocals of each other.

Now, Equation of a line is in the form of y =mx+b where m is the slope of the line.

Slope(m_1) of equation of line in [1] is;

y = -\frac{1}{4}x+8  

then;

m_1= -\frac{1}{4}

Slope(m_2) of equation of line in [2];

-2x+8y = 4

Add both sides 2x we get;

-2x + 8y + 2x = 2x + 4

Simplify:

8y = 2x +4

Divide both sides by 8 we get;

y = \frac{1}{4} x + \frac{1}{2}

then;

m_2 = \frac{1}{4}

Therefore, the given two lines are neither parallel nor perpendicular.

4 0
3 years ago
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