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aleksley [76]
3 years ago
7

Please help me one this someone please!!!

Mathematics
1 answer:
cricket20 [7]3 years ago
6 0
90 - x = 4x
4x + x = 90
5x = 90
x = 90/5
x = 18
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express each of the following as product of its prime factors, giving your answer in expanded form. a) 24. b) 63. c) 84. d) 150​
Alborosie
To answer this question, you can use a factor tree, or the table thing (I forgot what it’s called.)
You divide the number by one of its PRIME factors, until there is only one left. The numbers you divided it by are written as shown.
Hope this helps. :)
3 0
3 years ago
The vector v⃗ in 2-space of length 3 pointing up at an angle of π/4 measured from the positive x-axis.
allsm [11]

The vector v in 2-space of length 3 pointing up at an angle of π/4 measured from the positive x-axis is: (3/√2, 3√2) and The vector w in 3-space of length 1 lying in the yz-plane pointing upward at an angle of 2π/3 measured from the positive y-axis is: (0, -1/2, √3/2).

<h3>Vector</h3>

a. Vector (v)

Vector (v)=v (cos Ф, sin Ф)

V=1 while the counterclockwise angle that is measured from positive x=Ф=π/4

Hence:

Vector=3(cos π/4, sinπ/4)

Vector=(3/√2, 3√2)

b. Vector w:

Vector w=1(0, cos 2π/3, sin2π/3)

Vector w=(0, -1/2, √3/2)

Therefore the vector v in 2-space of length 3 pointing up at an angle of π/4 measured from the positive x-axis is: (3/√2, 3√2) and The vector ws: (0, -1/2, √3/2).

The complete question is:

Resolve the following vectors into components:

a. The vector v in 2-space of length 3 pointing up at an angle of π/4 measured from the positive x-axis.

(b) The vector w in 3-space of length 1 lying in the yz-plane pointing upward at an angle of 2π/3 measured from the positive y-axis.

Learn more about vector here:brainly.com/question/25705666

#SPJ1

5 0
2 years ago
Use diagrams of equivalent ratios to show that the ratios 2:3,4:6, and 8:12 are equivalent
stellarik [79]
Can someone please  go over to  my page and help me with this problem, its worth 99 points,no  joke 
5 0
3 years ago
Factor the polynomial expression x4 + 18x2 + 81
Akimi4 [234]

Answer: (x^2+9)^2

Step-by-step explanation:

Rewrite it in the form a^2+2ab+b^2 , where a=x^2 and b=9.

(x^2)^2+2(x^2)(9)+9^2

Use Square of Sum: (a+b)^2= a^2+2ab+b^2

(x^2+9)^2

4 0
3 years ago
Which polynomial identity will prove that 49 − 4 = 45?
Marizza181 [45]
49 is a square of 7 and 4 is a square of 2. To get 45  you need to subtract 7² and 2². Therefore, its the difference of squares. 
3 0
3 years ago
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