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Sergeu [11.5K]
3 years ago
15

How to tell if vector is unit vector?

Mathematics
1 answer:
Elenna [48]3 years ago
7 0
A unit vector is a vector with a magnitude of one and a direction that depends on what is given. A vector specifies both the direction and magnitude different from a scalar quantity which only specifies magnitude not direction. Magnitude refers to the numeric value.
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Phyllis invested 800 dollars into two different accounts, a portion earning a yearly interest rate of
Nitella [24]

The amount of money that Phyllis invested at each given rate of 4 and 6 percent is = $394.57 and $591.86 respectively.

<h3>Calculation of the total capital invested</h3>

The time the investment lasted= 12 years.

Simple interest = 1579.05 - 800= $779.05

The principal capital= $800

Rate of the both capital invested;

= SI × 100/P ×T

= 779.05 × 100/800 × 12

= 77,905/9600

= 8.11%

To find the amount of money that Phyllis invested at each given rate,

Rate 1 = 4/8.11× 800

= 3200/8.11

= $394.57

Rate 2 = 6/8.11× 800

= 4800/8.11

= $591.86

The amount of money that Phyllis invested at each given rate of 4 and 6 percent is = $394.57 and $591.86 respectively.

Learn more about simple interest here:

brainly.com/question/20690803

#SPJ

7 0
2 years ago
The graph Y= F(x), what is f (-4)
guapka [62]

Answer:2

Step-by-step explanation:

5 0
3 years ago
Can anyone help me with this?
Vanyuwa [196]

Answer:

-2.5°F

Step-by-step explanation:

-12 - 48 = -60

-60/24 = -2.5°F

7 0
3 years ago
If the measurment of the angles of a triangle are 3b,2b,and 4b then what is the smallest angle
d1i1m1o1n [39]

Given:

The measurement of the angles of a triangle are 3b,2b,and 4b.

To find:

The smallest angle.

Solution:

According to the angle sum property, the sum of all angles of a triangle is 180 degrees.

3b+2b+4b=180^{\circ}           [Angle sum property]

9b=180^{\circ}

Divide both sides by 9.

b=20^{\circ}

Now,

3b=3(20^{\circ})=60^{\circ}

2b=2(20^{\circ})=40^{\circ}

3b=4(20^{\circ})=80^{\circ}

Therefore, the smallest angle is 40 degrees.

6 0
3 years ago
FIND THE VOLUME OF THE SPHERE
svp [43]

Answer:

about 65.4 inches cubed

Step-by-step explanation:

The formula for the volume of a sphere is 4/3πr^3.

V = 4/3πr^3

   = 4/3π(2.5^3)

   = 20.83π = <u>about 65.4 inches cubed</u>

4 0
3 years ago
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