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horsena [70]
3 years ago
5

Solve for x. x = [?] 4x - 16 2x + 16,

Mathematics
2 answers:
ratelena [41]3 years ago
8 0
The correct answer for x is 4
qwelly [4]3 years ago
5 0

Answer:

Solution given:

4x-16+2x+16=180{linear pair are supplementary]

6x=180

x=180/6

<u>x=30</u>

is a required answer.

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PLEASE NEED HELP NOW WILL GIVE BRAINLIEST<br> What is the value of B?
Tresset [83]
So all the angles of triangle add up to 180 degrees. So you add up the the two other sides and subtract 180 by the answer.

61 + 58 = 119

180 - 119 = 61

So, you’re answer would be 61 degrees. Hope that helped :)

8 0
3 years ago
A firecracker shoots up from a hill 160 feet high, with an initial speed of 90 feet per second. Using the formula H(t) = −16t2 +
Masja [62]

When the firecracker hits the ground, H(t) = 0.0 = -16t^2 + 90t + 160 Using the quadratic formula,t = (-90 +- sqrt(90^2 - 4(-16)(160))) / 2(-16)t = -1.42 ort = 7.04

The negative time is extraneous. Therefore,t = 7.04 s.

Seven Seconds is your answer!

3 0
3 years ago
Read 2 more answers
if the area of the rectangle is given by the polynomial 2x-7-15 what is the dimension of the rectangle in terms of x​
erica [24]

Answer:

2-7x

Step-by-step explanation:

<h2>hope i helped gl <3</h2>
5 0
3 years ago
An object is launched from a launching pad 208 ft. above the ground at a velocity of 192ft/sec. what is the maximum height reach
Alexeev081 [22]

Answer:

h(x) = -16x² + 192x + 208

784ft

6 sec

13 sec

Step-by-step explanation:

a)

h(x) = -16x² +vx + h_{o}

here v represent velocity

         h_{o} represent initial height of launch

       

h(x) = -16x² + 192x + 208

b)

h(x) = -16x² + 192x + 208

here a = -16

        b = 192

        c = 208

x = -b/2a

  = -192/2(-16)

  = 6

plug this value in the equation

h(x) = -16(6)² + 192(6) + 208

      = 784ft

e)

Plug h(x)=0 in the equation

0 = -16x² + 192x + 208

divide equation by -16

x² - 12x - 13 = 0

Factors

1x * -13x = -13

1x - 13x = -12

Factorised form

x² - 12x - 13 = 0

x² + x - 13x - 13 = 0

x(x+1) -13(x+1) = 0

(x+1)(x-13) = 0

x = -1

x = 13

Since time can not be negative so we will reject x = -1  

3 0
3 years ago
Please help need answer for a quiz
torisob [31]

Answer:

first one with -1...21

Step-by-step explanation:

only one that follows quadratic formula format

5 0
3 years ago
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