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Molodets [167]
3 years ago
9

Select the correct answer. Vector u has its initial point at (-7, 2) and its terminal point at (11, -5). Vector v has a directio

n opposite that of vector u, and its magnitude is three times the magnitude of u. What is the component form of vector v? A. v = B. v = C. v = D. v =
Mathematics
1 answer:
hram777 [196]3 years ago
6 0

Answer:

Step-by-step explanation:

vector u=<(11-(-7),(-5-2)>=<18,-7>

as direction is opposite to u

so vector v=-3(18,-7)=(-54,21)

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Evaluate the expression 4 ÷ 2 + 52.
ch4aika [34]

Answer:

54

Step-by-step explanation:

4 ÷ 2 + 52

Order of operation

=  2 + 52

= 54

5 0
3 years ago
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Austin is paid a salary of $475 weekly. Find the Austin’s earnings per year
nordsb [41]
Assuming there are no breaks, there are 52 weeks in a year so 475(52)= 24700
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A water balloon is tossed into the air. The function h(x)=-0.5(x-4)squared +9 gives the height, in the feet, of the balloon from
NNADVOKAT [17]

Answer:

No, the maximum height that the balloon can reach is 9ft.

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given:

The function h(x) =-0.5(x-4)² +9, is a Quadratic Function in the Vertex form.

Vertex form: f (x) = a(x - h) 2 + k

Where:

  • (h, k) is the vertex of the parabola-
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  • k represents the vertical shift (how far up, or down, the graph has shifted from y = 0).  

In this case a = -0.5, it means that the parabola opens downward and has a maximum point at the vertex.

So, the maximum height that the balloon can reach is k=9ft.

9 ∠ 12

The balloon will not hit the ceiling 12 ft above the pool.

Feel free to ask for more if needed or if you did not understand something.

8 0
4 years ago
A listing for a home for sale is shown as follows: "3/2/2 house for sale. Price
MariettaO [177]
I believe C. Because it provides a more meaningful explanation
7 0
3 years ago
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Can somebody help me?
True [87]

Answer:

7-(-2)=7+2

Step-by-step explanation:

7-(-2)=9

7+2=9

Hope this helps!

6 0
3 years ago
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