3 years ago

Match the inequality to the correct verbal description. "n exceeds 75."

Mathematics

1 answer:

Kay [80]3 years ago

4 0

N> 75 should be the best one

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Determine whether the points lie on straight line.

wel

Answer:

A) Non-collinear- does not lies on straight line

B) Collinear- lie on straight line

Step-by-step explanation:

We have to check collinearity of three points.

The points $(x_1, y_1, z_1),(x_2, y_2, z_2),(x_3, y_3, z_3)$ are said to be collinear if,

$\left[\begin{array}{ccc}x_1&y_1&z_1\\x_2&y_2&z_2\\x_3&y_3&z_3\end{array}\right] = 0$

A) A(2, 5, 3), B(3, 7, 1), C(1, 4, 4)

$\left[\begin{array}{ccc}2&5&3\\3&7&1\\1&4&4\end{array}\right] \\\\=2(28-4)-5(12-1)+3(12-7)\\= 8 \neq 0$

Thus, the given points are not collinear.

B) D(0,-5,5), E(1,-2,4), F(3,4,2)

$\left[\begin{array}{ccc}0&-5&5\\1&-2&4\\3&4&2\end{array}\right] \\\\=0(-4-16)+5(2-12)+5(4+6)\\=0$

Thus, the given points are collinear.

6 0

3 years ago

What is the volume of a cube with a side length of 3t5units?

Archy [21]

Answer:

C;27t15 units3

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Factor out the coefficient of the variable. -3.6z-10.8

TiliK225 [7]

Factor -1 out of -3.6z -10.8
your answer should be -(3.6z+10.8)

6 0

4 years ago

Please help for brainliest

neonofarm [45]

Answer:

if I read your screen correctly

$F radius = 5 x {10}^{-8 }$

$Sr radius = 2 x {10}^{-7}$

Step-by-step explanation:

divide the larger one (Sr) by smaller one (F)

the coefficient = 2/5

the exponent = -7-(-8)

can you get the answer from there, don't forget to simplify

4 0

3 years ago

Convert each measurement into another measurement unit. How many inches are in 5 ft?

alexira [117]

Answer:

60 inches

Step-by-step explanation:

Multiply the length value by 12

8 0

4 years ago