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earnstyle [38]
3 years ago
14

6. Are the following parallel, perp., or neither? y=3x-4 3x - y = 7

Mathematics
1 answer:
Vsevolod [243]3 years ago
6 0

Answer:

The following are parallel

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Can someone help me please.
zhannawk [14.2K]

Answer:

  1. Lena's Method: 280
  2. Jackson's Method: 280

Step-by-step explanation:

Lena's Method:

  1. 8 + 12 = 20
  2. Plug 20 in: 14(20)
  3. 14(20) = 14 × 20 = 280

Jackson's Method:

  1. 14 × 8 = 112
  2. 14 × 12 = 168
  3. Re-write the expression: 112 + 168
  4. 112 + 168 = 280

I hope this helps!

8 0
3 years ago
The volume of a cone with a height of 4 cm is 12π cubic cm. What is the radius of the base?
blondinia [14]

Answer:

r = 6cm

Step-by-step explanation:

Solve for r:

v =  \frac{1}{3} \pi {r}^{2}

12\pi =  \frac{1}{3} \pi {r}^{2}  \\ 12\pi =  \frac{\pi {r}^{2} }{3}  \\ 3 \times 12\pi = \pi {r}^{2}  \\ 36\pi = \pi {r}^{2}  \\  \frac{36\pi}{\pi}  =  \frac{\pi {r}^{2} }{\pi}  \\  \sqrt{ {r}^{2} }  =  \sqrt{36}  \\ r = 6

4 0
2 years ago
Describe the relationship between two variables when the correlation coefficient r is one of the following.(a) near –1weak or no
AlexFokin [52]

Step-by-step explanation:

I don't know this math yet

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7 0
3 years ago
Need help please assist me find the area of a regular hexagon
garri49 [273]

Answer:

The area of the regular hexagon is 166.3\ units^{2}

Step-by-step explanation:

we know that

The area of a regular hexagon can be divided into 6 equilateral triangles

so

step 1

Find the area of one equilateral triangle

A=\frac{1}{2}(b)(h)

we have

b=r=8\ units

h=4\sqrt{3}\ units ----> is the apothem

substitute

A=\frac{1}{2}(8)(4\sqrt{3})

A=16\sqrt{3}\ units^{2}

step 2

Find the area of 6 equilateral triangles

A=(6)16\sqrt{3}=96\sqrt{3}=166.3\ units^{2}

7 0
3 years ago
Tyler’s height is 57 inches. What could be his height in centimeters? Explain your reasoning. (1 inch= 2.54 cm)
Nina [5.8K]

Answer:

144.78 cm

Step-by-step explanation:

57 times 2.54

6 0
3 years ago
Read 2 more answers
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