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abruzzese [7]
2 years ago
10

Beg someone helps me w this question

Mathematics
1 answer:
Alex Ar [27]2 years ago
3 0

Answer:

(x+1)^{2} +4

a = 1

b = 4

Step-by-step explanation:

hope this helps!! p.s. i really need brainliest :)

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Help asap please!!!!
Alexxx [7]

Answer:

(3, 1)

Step-by-step explanation:

Let the coordinates of B be (x, y)

Since, M is the midpoint of AB.

Therefore, by mid point formula:

1 =  \frac{ - 1 + x}{2},  \:  \:  \: 3 =  \frac{5 + y}{2}  \\  \\ 2 =  - 1 + x, \:  \:  \: 6 = 5 + y \\  \\ 2 + 1 = x, \:  \:  \: 6 - 5 = y \\  \\ 3 = x, \:  \:  \: 1 = y \\  \\ x = 3, \:  \:  \: y = 1 \\  \\ B = (3, \:  \: 1)

3 0
3 years ago
An action movie production team needs glass spheres to hold a green liquid that looks like an explosive. If all of the available
Sergeu [11.5K]
Since all the volume of the liquid will be contained by all 30 spheres then,
30 V = 3392.92

where V is the volume of each sphere
Solving for V
V = 113.0973

The formula for the volume of the sphere is:
V = (4/3) π r³

Since diameter, D = 2r
V = (4/3) π (D/2)³
V = (4/3) π (1/8) D³
V = (1/6) π D³

Since V = 113.0937
113.0937 = (1/6) π D³
D = 6

<span>Therefore, the diameter is 6 inches </span>
5 0
3 years ago
Read 2 more answers
4&lt;-2x+3&lt;9 i dont understand
kolbaska11 [484]

Answer:

-1/2 > x > -3

Step-by-step explanation:

i)

-2x+3>4

-2x> 1

x < -1/2

ii)

-2x+3<9

-2x<6

x > -3

= -1/2 > x > -3

7 0
3 years ago
A cell phone tower that is 150 ft tall sits on a mountain that
aliina [53]

Answer:

angle of elevation will be 2.14^o.

Step-by-step explanation:

Given,

height of tower = 150 ft

height of tower = 1200 ft

So, total height of peak of tower = 1200 + 150

                                                       = 1350 ft

distance of user from cell tower = 5 miles

                                                     = 5 x 5280 feet

                                                     = 26,400 feet

Since the height of user from sea level = 400 ft

so, height of peak of tower with respect to user = 1350 - 400 ft

                                                                                = 950 ft

If the angle of depression is assumed as \theta, then we can write

tan\theta\ =\ \dfrac{\textrm{height of peak of tower w.r.t user}}{\textrm{distance of user from tower}}

=>\ tan\theta\ =\ \dfrac{950}{26400}

=>\ tan\theta\ =\ 0.374

 =>\ \theta\ =\ 2.14^o

So, the angle of elevation will be 2.14^o.

5 0
3 years ago
Simplify and solve this equation: 4m + 9 + 5m – 12 = 42.
FinnZ [79.3K]
4m + 9 + 5m - 12 = 42
9m + 9 -12 = 42
9m -3 = 42
9m = 42 + 3 
9m = 45 
m= 45/9
m= 5
Answer is C. 
5 0
3 years ago
Read 2 more answers
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