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mario62 [17]
3 years ago
10

What is 2.25 of 8 PLEASE HELP!!!!!

Mathematics
2 answers:
Greeley [361]3 years ago
7 0
Just remember that in most School math, "of" usually means "times". If you remember that, the answer to this problem almost jumps out at you. It's just (2.25) x (8).

That's 18.
Pani-rosa [81]3 years ago
3 0
The answer is 18 because u multiply when u see the word of
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The vectors x and y are unit vectors that make and angle of 30 degrees with each other. Calculate the value of | 2x + y | and th
ICE Princess25 [194]

Answer: the value of | 2x + y | = 1.39

the direction of 2x + y = 21° 

Step-by-step explanation:

Given that the vectors x and y are unit vectors that make and angle of 30 degrees with each other.

Let assume that unit vector x is along the positive x-axis, and unit vector y is at +30°.

Therefore 

2x-y=

2< 1,0 > - < cos(30),sin(30) >

=<2-(√2)/2, 0-1/2>

and

|2x-y|=√((2-(√2)/2)² + (-1/2)^2)

=1.3862 

Therefore the value of | 2x + y | = 1.39

=atan((-1/2)÷(2-(√2)/2))

=atan(1.29289/-0.5)

=-0.369 radians

= -21.143° 

Therefore the direction of 2x + y is

21° 

5 0
3 years ago
Vivian's insurance company pays for 80% of her foot surgery after she pays a $500 deductible. How much will Vivian pay for her s
Phantasy [73]
Given that the insurance pays 80% of the cost of surgery and the surgery cost $9600, the amount of money Vivian will pay will be given as follows:
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4 0
3 years ago
56 projects 5:9 ratio divide
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4 0
2 years ago
Given (64y^2)+(4x^2)+128y+16x+64=0, transform the equation into the appropriate form
____ [38]

Answer:

(8y+8)²+(4x²+16)=0

Step-by-step explanation:

Given:

(64y²)+(4x²)+128y+16x+64=0

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Equation into the appropriate form

Computation:

(64y²)+(4x²)+128y+16x+64=0

(8y)²+(2x)²+128y+16x+64=0

(8y)²+(2x)²+2(8y)(8)+2(2x)(4) + 8²=0

(8y+8)²+(4x²+16)=0

6 0
3 years ago
Sam is ordering shirts online. The shipping is a flat rate of $5.99, and each shirts costs $12.50. He spent $80.99 in total. How
ANEK [815]

Based on the shipping rate and the price of the t-shirts, it can be concluded Sam ordered a total of 6 t-shirts.

<h3>What equation represents Sam's situation?</h3>

5.99 + x12.50 = 80.99

x represents the number of t-shirts she bough, which is the focus of the equation.

Let's solve it:

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<h3>How many t-shirts did Sam order?</h3>

Sam ordered 6 t-shirts.

Learn more about equations in: brainly.com/question/10413253

3 0
2 years ago
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