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qaws [65]
3 years ago
13

Come on plz tell me someone is awake

Mathematics
2 answers:
Oxana [17]3 years ago
7 0

oh now its letting me answer.. were you able to get the answer

VladimirAG [237]3 years ago
4 0

Answer:

I am

Step-by-step explanation:

1500

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X^2-4x+c find the value of c
Sonbull [250]

Answer:

c = 4

Step-by-step explanation:

Given

x^2 - 4x + c

Required

Find c

The question is incomplete. However, I'll assume the expression is a perfect square.

To find c, we make use of the following formula

c = (\frac{b}{2})^2

Where

ax^2 + bx + c

By comparison with x^2 - 4x + c

a =1

b = -4

So, c = (\frac{b}{2})^2 becomes

c = (\frac{-4}{2})^2

c = (-2)^2

c = 4

<em>The value of c that makes the expression, </em>x^2 - 4x + c<em> a perfect square is 4 and the expression is: </em>x^2 - 4x + 4<em></em>

8 0
3 years ago
16. What is the value of 2 1/8x4 3/4
Aneli [31]

Answer:

10/3/32

Step-by-step explanation:

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8 0
2 years ago
Pls give me the right answer
natka813 [3]
The answer is 4 inches. This is because the scale is 1 inch=3 feet. And when doing 12ft divided by 3ft you get 4. The 4 then represents 4 inches. Hope it helps :)
4 0
3 years ago
Find all solutions in the interval [0, 2π). (sin x)(cos x) = 0
Deffense [45]
\bf sin(x)cos(x)=0\implies &#10;\begin{cases}&#10;sin(x)=0\\&#10;\measuredangle x=sin^{-1}(0)\\&#10;\measuredangle x=0\ ,\ \pi \\&#10;----------\\&#10;cos(x)=0\\&#10;\measuredangle x=cos^{-1}(0)\\&#10;\measuredangle x=\frac{\pi }{2}\ ,\ \frac{3\pi }{2}&#10;\end{cases}
3 0
3 years ago
Read 2 more answers
Can someone explain this to me please will give brainliest
KATRIN_1 [288]
The answer is A. for this, you have to set up a system of equations. the first one will be the area equation. since you know area=length x width, your equation will be LxW=50. the next equation is L=2W, since the length is two times the width. then, plug in 2W for the L in the other equation and you get 2W^2=50. divide by 2 and get W^2=25. square root both sides and you get W=5. plug back into the other equation to find L=10. Then, add the sides of the rectangle for the perimeter. 10+5+10+5=30.
3 0
3 years ago
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