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2 years ago

10

Vectors and scalars ________ are-are not the same

2 answers:

givi [52]2 years ago

7 0

Vectors and scalars are not the same quantity

Zina [86]2 years ago

5 0

Answer:

quantities

Step-by-step explanation:

Vectors and scalars quantities are not the same quantities.

The quantity which is independent of direction is called scalars quantity. It has only one characteristics. It depends on magnitude only. It is one dimensional measurement of a quantity. Length, volume, speed, area, temperature can be measured in terms of only magnitude and are scalars quantities.

Vectors quantity has more than one dimensional quantities. It can be measured in terms of both magnitude and directions. Displacement, velocity, acceleration, lift, drag force are all vector quantities.

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If g(x) = 5x2^2 - 10x + 9 and h(x) = -3x3^3+ 5x - 6, find g(x) - h(x)?

AnnZ [28]

Answer:

B) $g(x) - h(x) = 3x^3 - 5x^2 - 15x + 15$

Step-by-step explanation:

Here, the given functions are:

$g(x) = 5x^2- 10x + 9 \\h(x) = -3x^3+ 5x - 6$

Now, g(x) - h(x) is :

$(5x^2- 10x + 9) - ( -3x^3+ 5x - 6)\\= 5x^2- 10x + 9 + 3x^3 - 5x + 6\\= 3x ^3 + 5x ^2+ (-10 x - 5 x) + (9 + 6)\\= 3x^3 - 5x^2 - 15x + 15$

⇒ $(5x^2- 10x + 9) - ( -3x^3+ 5x - 6) = 3x^3 - 5x^2 - 15x + 15$

B) Hence, $g(x) - h(x) = 3x^3 - 5x^2 - 15x + 15$

3 0

2 years ago

Find the equation of the line that passes through (1,4) and is parallel to 3x+y+2=0. Leave your answer in the form y=mx+c.

Mila [183]

Answer:

y = -3x + 7.

Step-by-step explanation:

First find the slope of the given line by converting to intercept form:

3x + y + 2 = 0

y = -3x - 2

So the slope is -3.

Then the line we want has a slope of -3 also (as it is parallel).

y - y1 = m(x - x1) where m is the slope and (x1, y1) is a point on the line:

m = -3, x1 = 1 and y1 = 4, so we have:

y - 4 = -3(x - 1)

y = -3x + 3 + 4

y = -3x + 7.

3 0

1 year ago

3(-4x + 8)=.................

Nezavi [6.7K]

Answer:

-144 or 2 5

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

Which is greater 1.56 or 1.29

ruslelena [56]

Answer:

<u>1.56 is greater than 1.29</u>. (Check after the decimal point, 5 is greater than 2, so 1.56 is greater than 1.29)

8 0

1 year ago

Read 2 more answers

Plz help!!! I’ll give 10 points to the first person to give me a correct answer...I need to get my grade up before the end of th

Lilit [14]

Answer:

A= 30

B= 60

C= 90

Step-by-step explanation:

A is already shown.

B has a right angle making it 90 degrees.

A triangle is 180 degrees 30+90= 120

180-120=60

3 0

2 years ago