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julsineya [31]
3 years ago
5

If x=1,y=3,z=4 evaluate x^2+y^2+z^2-3yz^2

Mathematics
1 answer:
Travka [436]3 years ago
7 0
<h3>✽ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ✽</h3>

➷ Just substitute the values in:

(1)^2 + (3)^2 + (4)^2 - 3(3)(4)^2

Simplify:

(1 + 9 + 16) - 144

Simplify further to get the answer:

answer = -118

<h3><u>✽</u></h3>

➶ Hope This Helps You

➶ Good Luck

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

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Which equation represents a tangent function with a domain of all Real numbers such that x is not equal to pi over 2 plus pi tim
Rudik [331]

The equation that represents a tangent function with a domain of all real numbers such that x \ne \frac{\pi}2 + n \pi is g(x) = \tan(n \pi - \frac{\pi}2)

<h3>Domain</h3>

The domain of a function is the set of input values the function can take

The domain of the function is given as:

x \ne \frac{\pi}2 + n \pi

<h3>Undefined function</h3>

This means that, we determine the function that would be undefined when the input value equals

x = \frac{\pi}2 + n \pi

From the list of given functions, only function g(x) is undefined at x = \frac{\pi}2 + n \pi

Hence, the tangent function is g(x) = \tan(n \pi - \frac{\pi}2)

Read more about domain at:

brainly.com/question/1770447

7 0
2 years ago
Which expression best represents the difference between triple a number and double a number?
ioda
C. x³ - x²

In word problems, there terms which indicate the mathematical operation that needs to be performed.

difference = refers to the answer in subtraction
triple a number or double a number refers to the number of times a number is multiplied by itself.

in triple a number = a number is multiplied by itself three times.
in double a number = a number is multiplied by itself two times.

It would initially look like this: (x * x * x) - (x * x); to simplify the expression, a number to be multiplied is written down and the number of times it will multiply by itself is noted on the upper right side of the number when we look at it.

Thus: x³ - x² is the correct expression that best describes the word problem above.
8 0
2 years ago
Read 2 more answers
Raj plotted point L in the coordinate plane below.
navik [9.2K]

Answer:

(c) The x and y coordinates are switched

Step-by-step explanation:

Given

Point = (4,-1.5)

See attachment

Required

Determine the error in the plot

The plot on the attached graph is represented with: (-1.5, 4)

This implies that Raj plotted the x coordinate on the y coordinate and vice versa.

Hence: (c) is true

6 0
3 years ago
Read 2 more answers
Malik stops at the grocery store to buy a bag of diapers and 2 cans of formula. He spends a total of $37. The next week he stops
Sedbober [7]

Answer:

Diapers costs $11 and formula is $13.

Step-by-step explanation:

Let's name diapers as A and formula as B.

Simply the equations:

1A + 2B = $37(1)

2A + 5B = $87(2)

Clear D from one equation.

A = $37 - 2B(1)

Replace D into the other equation.

2*($37 - 2B) + 5B = $87(2)

$74 - 4B + 5B = $87

$74 + B = $87

B = $87 - $74 = $13

Find A, now knowing B.

A = $37 - 2($13)

A = $37 - $26 = $11

8 0
2 years ago
Read 2 more answers
Use suitable identities to find the following products <br><br>(x-5) (x-5)​
Marrrta [24]

Step-by-step explanation:

(x - 5)(x - 5) \\  {x}^{2}  - 5x - 5x + 25 \\  {x}^{2}  - 10x + 25

I hope it makes sense

:)

7 0
2 years ago
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