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Bumek [7]
3 years ago
10

Evaluate 4*(1/4-3) + 12 324 290 268 144

Mathematics
1 answer:
ruslelena [56]3 years ago
6 0
Answer: I actually got 32.

Reason: using order of operations PEMDAS I can up with 32

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How do I divide 254 by 40
zlopas [31]
6.35 is the answer hope this helped you if you need more information or an explanation just put a comment or something on my profile
7 0
3 years ago
Electrical Resistance The electrical resistance R of a wire varies inversely with the square of its diameter d. If a 25-foot wir
kati45 [8]

Answer:

The answer is below

Step-by-step explanation:

The electrical resistance R of a wire varies inversely with the square of its diameter d:

R ∝ 1 / d

Let k represent the constant of proportionality, hence we can represent the statement as an equation:

R=\frac{k}{d^2}\\ \\when\ R=0.5 \Omega,d=2\ mm\\\\0.5=\frac{k}{2^2} \\\\k=2\\\\The\ equation\ becomes :\\\\R=\frac{2}{d^2}\\ \\When\ d=3, we\ find\ R\\\\R=\frac{2}{3^2} \\\\R=0.22\ \Omega

8 0
3 years ago
Find the line parallel to the line y=3x+5 which passes through the point (1,4). a. y=-1/3x+1 b. y=-3x+1 c. y=1/3x+1 d. y=3x+1
Vladimir [108]

Answer:

D

Step-by-step explanation:

So we want to find the equation of the line parallel to y=3x+5 and goes through the point (1,4).

First, since the new line is parallel, its slope must be equivalent. Therefore, the slope of our new line <em>must</em> also be 3.

Now, we can figure out the rest of the equation using the point-slope form:

y-y_1=m(x-x_1)

Substitute 3 for m. Let's let (1,4) be x₁ and y₁. Thus:

y-4=3(x-1)

Distribute the right:

y-4=3x-3

Add 4 to both sides:

y=3x+1

And we're done!

The correct answer is D.

5 0
3 years ago
Given that y= 7 cm and θ= 49 °, work out x rounded to 1 DP.<br><br> (not drawn to scale.)
Anastaziya [24]

The value of x in the diagram is 6.1 cm.

<h3>What is right-angle triangle?</h3>

A right-angle triangle is a triangle that has 90° as one of the angles in the triangle.

To calculate the value of x in the right-angled triangle above, we use the formula below

Formula:

  • tanθ = y/x............ Equation 1

Make x the subject of equation 2

  • x = y/tanθ............. Equation 2

From the question,

Given:

  • θ = 49°
  • y = 7 cm

Substitute these values into equation 2

  • x = 7/tan49°
  • x = 7/1.15
  • x = 6.1 cm

Hence, the value of x in the diagram is 6.1 cm.

Learn more about right-angled triangle here: brainly.com/question/64787

#SPJ1

8 0
2 years ago
Cual es la moda de las siguientes cantidades 9.6 9.1 8.7 7.9 7.3 5.5 7.9
Brilliant_brown [7]
The mode is 7.9 according to my calculations. You find the number that appears the most in the set. If I am right, brainliest answer and thanks?

3 0
3 years ago
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