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kicyunya [14]
3 years ago
13

Consider the point. (2, 3, 5)

Mathematics
1 answer:
kolbaska11 [484]3 years ago
8 0

Answer:

the projection of the point on the xy-plane? (x, y, z) = <u>   (2, 3, 0)   </u>

the projection of the point on the xy-plane? (x, y, z) =  <u>  (0, 3, 5)   </u>

the projection of the point on the xz-plane? (x, y, z) =  <u>  (2, 0, 5)    </u>

Step-by-step explanation:

Consider the point. (2, 3, 5)

A point denotes a location in space. Points are  normally  represented by a a very small infinite circle or dot. A point has a position but has  no magnitude.

the projection of the point on the xy-plane? (x, y, z) = <u>   (2, 3, 0)   </u>

<u />

the projection of the point on the xy-plane? (x, y, z) =  <u>  (0, 3, 5)   </u>

<u />

the projection of the point on the xz-plane? (x, y, z) =  <u>  (2, 0, 5)    </u>

<u />

The length of the diagonal for this projection = \sqrt{(2)^2 + (3)^2 +(5)^2}

The length of the diagonal for this projection = \sqrt{4 + 9+25}

The length of the diagonal for this projection = \sqrt{38}

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[5x+6]*{(3%*5.0x)*5(7*8c)}
Diano4ka-milaya [45]

Answer:

210x²c+252xc

Step-by-step explanation:

3 0
3 years ago
Without using your calculator, work out 27 -
den301095 [7]

Answer: So, 27 as a fraction would be 27/1 i guess? lol

4 0
2 years ago
Read 2 more answers
If y varies jointly with x and z and y=40 when x=10 and z=9 find z when x =55 and y=105
Eduardwww [97]

Answer:

  z = 189/44

Step-by-step explanation:

The "varies jointly" relationship can be expressed by ...

  y = kxz

We can find k from the given values.

  40 = k(10)(9)

  40/90 = k = 4/9 . . . divide by the coefficient of k

Now we want to find z for given values of x and y. That can be found from ...

  y = (4/9)xz

  9y/(4x) = z . . . . . multiply by 9/(4x)

Filling in the new numbers, we have ...

  z = 9·105/(4·55)

  z = 4 13/44 = 189/44 ≈ 4.2954...(repeating 54)

4 0
4 years ago
Which value of x does not satisfy the equation sin^2x + sin x = 0
zzz [600]

Answer:

x \neq 0 \pm \pi \cdot i, \forall i \in \mathbb{N}_{O} and x \neq \frac{3\pi}{2}\pm 2\pi \cdot j, \forall j \in \mathbb{N}_{O}.

Step-by-step explanation:

The equation can be simplified with the help of trigonometric identities:

\sin x \cdot (\sin x + 1) = 0

Which means that equation is equal to zero if any component of the product is zero. The solutions of the expression are:

a) \sin x

x = 0 \pm \pi\cdot i,\forall i \in \mathbb{N}_{O}

b) \sin x + 1

\sin x + 1 = 0

\sin x = -1

x = \frac{3\pi}{2} \pm 2\pi\cdot i,\forall i \in \mathbb{N}_{O}

Any value different of both subsets do not satisfy the equation described above.

8 0
4 years ago
A gaming console cost $299.99. Each game that comes with the console is an additional cost of $20.00. Mr. Yao decide to by x num
givi [52]

This question is not correctly written

Complete Question

A gaming console cost $299.99. Each game that comes with the console is an additional cost of $20.00. Mr. Yao decide to by x number of games Write a variable expression for cost of the number of games Mr. Yao bought

Answer:

Variable expression for the cost of the number of games that Mr Yao bought =

$20x

Where x = number of games that he bought.

Step-by-step explanation:

A variable expression can be defined as a mathematical expression where there is at least one (or more) unknown variable(s)that we have to look or solve for.

The unknown variable is always represented by letters of the alphabet, a, b, x, y e.t.c.

A variable expression can also be called an algebraic expression.

From the above question, we are told that:

Cost of a gaming console = $299.99

If you buy a game with the console = Additional $20.00

My Yao bought = x number of games

Variable expression for the cost of the x number of games that Mr Yao bought

$20 × x

= $20x

Where x = number of games that Mr Yao bought.

4 0
3 years ago
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