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Alexandra [31]
3 years ago
13

3+(-7) What is the answer

Mathematics
2 answers:
stepladder [879]3 years ago
8 0

Answer:

-4

Step-by-step explanation:

3 + (-7) = 3 + -7 = 3-7 = -4

Hope this help you :3

attashe74 [19]3 years ago
3 0
The answer will be -4 because a positive and a negative makes a negative.
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Find an equation for the plane that contains the point p(−1,3,5)p(−1,3,5) and has the normal vector n=2i+4j−3kn=2i+4j−3k.
coldgirl [10]
Given a plane:
normal vector <2,4,-3>
passes through point (-1,3,5)

The equation of the plane is
&Pi; :  2(x-(-1))+4(y-3)-3(z-5)=0
expand and simplify
&Pi; :  2x+4y-3z+5=0
6 0
3 years ago
[tex]\frac{5}{6} =\frac{10}{x}
erma4kov [3.2K]

Answer:

12

Step-by-step explanation:

I think you are trying to say \frac{5}{6} =\frac{10}{x}.

If that's the case, you can multiply the left side by 2/2:

10/12 = 10/x

Then, since the numerators are the same and the denominator of one side is 12, the denominator of the other side must also be 12. Therefore, x = 12.

I hope this helped.

5 0
3 years ago
What is 5 3/4x -2 2/9
sergeinik [125]

 

\displaystyle\\5\frac{3}{4}\times\left(-2\frac{2}{9}\right)=\\\\\\=-\frac{5\times4+3}{4}\times\frac{2\times9+2}{9}=\\\\\\=-\frac{23}{4}\times\frac{20}{9}=-\frac{460}{36}=-\frac{115}{9}=\boxed{\bf12\frac{7}{9}}



8 0
3 years ago
You buy a storage rack that holds 40 CDs you have 27 CDs write an inequalityt that describes how many more cds you can buy and s
MAVERICK [17]
<span>CD's must be 40 or below, so CD's total≤ 40
 If you already have 27, than 27+(number of CDs bought)</span><span>≤ 40
27+x=40(max)
x=(40-27)
x=13 CDs can be bought, at maximum
so (CDs purchased)</span><span> ≤ 13
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5 0
3 years ago
What are the solution(s) to the quadratic equation 9x2 = 4? x = StartFraction 4 Over 9 EndFraction and x = StartFraction negativ
andrezito [222]

Answer:

x = StartFraction 2 Over 3 EndFraction and x = StartFraction negative 2 Over 3 EndFraction.

Step-by-step explanation:

We are given a quadratic equation of single variable x as 9x^{2} =4.

There is no doubt that as the equation is of two degrees so, it will have two solutions.

Now, 9x^{2} =4

⇒ x^{2} =\frac{4}{9}

⇒ x=\frac{2}{3}  and x = -\frac{2}{3}

Therefore, the solution will be x = StartFraction 2 Over 3 EndFraction and x = StartFraction negative 2 Over 3 EndFraction. (Answer)

5 0
3 years ago
Read 2 more answers
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