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notsponge [240]
3 years ago
12

which of the following is the equation of the that passes through the point (1,4)and is the parallel to the x-axis

Mathematics
2 answers:
Alexxandr [17]3 years ago
7 0

Answer:

y = 4

Step-by-step explanation:

the equation of the that passes through the point (1,4)and is the parallel to the x-axis

So the equation: y = 4. Doesn't matter what value of x but  y is always equal 4

Radda [10]3 years ago
7 0

Answer:

y=4

Step-by-step explanation:

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raketka [301]
I agree when you plug in the formula A=hb/2=14•12.2/2 = 85.4
8 0
2 years ago
What is the slant height if the surface area is 395.64 square meters? (Use 3.14 for π .) r = 7 of a cone
kodGreya [7K]
1. The formula for calculate the area of a cone is:

 A=πr²+πrl  (1)

 A is the area (A=395.64 m²).
 π=3.14
 r is the radius (r=7).
 l is the height.

 2. The formula for calculate the slant height of the cone, is given by the Pythagorean theorem:

 h²=l²+r²
 h=√(l²+r²)   (2)

 h is the slant height.

 3. We don't know the value of "l", so:

 - We must rewrite the formula (1) and clear "l":

 A=πr²+πrl 
 A-πr²=πrl
 l=A-πr²/πr

 - Now, we must susbtitute l=A-πr²/πr, into the formula (2). Then, we have:

 h=√(l²+r²) 
 h=√[(A-πr²/πr)²+r²]

 A=395.64 m²
 π=3.14
 r=7

 4. When we substitute the values above into the formula h=√[(A-πr²/πr)²+r²], we obtain the slant height:
 
 h=√[(A-πr²/πr)²+r²]
 h=√170
 h=13 
<span>
 What is the slant height?

 The answer is: D.13</span>
6 0
3 years ago
What is the perimeter of a square with sides that measure 2x + 3 units?
PtichkaEL [24]

Answer:

8x+12

Step-by-step explanation:

We know that squares have equal sides. To calculate perimeter, just add up all of the 4 sides.

2x+3+2x+3+2x=3+2x+3

Add like terms:

8x+12

You could also multiply by four:

4(2x+3)

Use distributive property:

8x+12

8 0
3 years ago
Which of the equations below could be the equation of this parabola?
Vadim26 [7]

Answer:

B. x = 1/4y²

Step-by-step explanation:

3 0
3 years ago
Quick math question....
Tema [17]

Answer:

A

Step-by-step explanation:

In this problem, first u would have to keep the base of 3, then multiply the two powers together to get -28.

However, u can't leave a negative power in the numerator, so u bring the base and the power down into the denominator, change the sign of the power to make it positive, and put a 1 in the numerator.

3 0
3 years ago
Read 2 more answers
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