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FrozenT [24]
3 years ago
7

ILL GIVE BRAINLIEST

Mathematics
2 answers:
Svetlanka [38]3 years ago
8 0

Answer:

x=3,x=16

Step-by-step explanation:

denpristay [2]3 years ago
4 0
7 is for number 1 I believe.
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The vector v has initial point P(1, 0) and terminal point Q that is on the y-axis and above the initial point. Find the coordina
zloy xaker [14]

Answer:

The terminal point is Q(0,4)

Step-by-step explanation:

We are given the following in the question:

Initial point of vector, P(1,0)

The terminal point Q lies on the y-axis, thus Q have coordinates of the form:

Q(0,y)

The magnitude of the vector is \sqrt{65}

Magnitude is given by:

v = \sqrt{(x_2-x_2)^2+(y_2-y_1)^2}\\\sqrt{65}=\sqrt{(0-1)^2+(y-0)^2}\\\sqrt{65}=\sqrt{1+y^2}\\65 = 1+y^2\\y^2 = 64\\y = \pm 8

But since the terminal point is above the initial point, thus,

y > 0\\\Rightarrow y = 4

Thus, the terminal point is Q(0,4)

4 0
3 years ago
A rectangle has a height of 5 and a width of 4x^2 – 2x – 6.
bogdanovich [222]

The area of the rectangle is 20x^{2} -10x-30 units.

Step-by-step explanation:

Step 1:

The area of a rectangle is obtained by multiplying the length with the width of the rectangle.

Considering this a whole rectangle, the length of the rectangle is 5 units and the width is the sum of 4x^{2}, -2x, and -6.

So the length of the rectangle = 5 units and

the width of the rectangle = 4x^{2} -2x-6 units.

The area of a rectangle = (length)(width).

Step 2:

By substituting the known values, we get

The area of the rectangle = (5) (4x^{2} -2x-6) = 20x^{2} -10x-30.

So the area of the rectangle is 20x^{2} -10x-30 units.

3 0
3 years ago
If (a+10) and a are in straight line find the value of a​
Afina-wow [57]

Answer:

a=170

Step-by-step explanation:

(a+10)=180[because being a straight line]

or, a+10=180

or,a=180-10

a=170

Therefore,a=170

7 0
2 years ago
At a local river there were 48 alligators laying on the river bank. If 5/6 of the alligators were sleeping, how many were NOT as
zhannawk [14.2K]

Answer:The answer is 40.

Step-by-step explanation:

8 0
3 years ago
Write an equivalent expression for -3(7+5g)
Solnce55 [7]

Answer:

it would be -21-15g

Step-by-step explanation:

3 0
3 years ago
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