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disa [49]
2 years ago
5

Help me asap please & thank you.

Mathematics
1 answer:
Y_Kistochka [10]2 years ago
6 0
Its the second choice down.  x is an element of the intersection of B and C. A is not part of that, and since B and C overlap, it's the intersection, not the union (U).
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5/15 = n/9 someone help me (proportions)
goblinko [34]

Answer:

=3

Step-by-step explanation:

3 0
2 years ago
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a) The quadratic 3x^2-12x-11 can be written in the form 3(x+a)^2+b. Find the values of a and b. b) Given that the solutions of t
LenKa [72]

Answer:

Step-by-step explanation:

a) 3x^2-12x-11=3*x^2-3*2*2*x+3*4-23=3*(x^2-2*2x+2^2)-23=3*(x-2)^2-23

so  a= -2 ,b= -23

b) x1=[12+V(12^2-4*3* -11)]/6=12/6+V(144+132)/6=2+2/6V69=2+1/3V69=

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5 0
2 years ago
Enter a range of values of x
igomit [66]

Answer:

-5.

Step-by-step explanation:

We know that if two corresponding sides of two triangles are equal, then third sides of the triangles depend on angle between equal sides.

Angle opposite to larger side is larger.

Since, 14 < 15, therefore

2x+10

2x

2x

x          ...(1)

We know that, angle can not not negative.

2x+10>0

2x>-10

x>-5        ...(2)

From (1) and (2), we get

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Therefore, the range of values of x is -5.

4 0
2 years ago
Mrs Omar runs the school tennis club. She has a bin of tennis balls and rackets for every 5 tennis balls in the bin there are 5
Sav [38]

Answer:

x=y

Step-by-step explanation:

let x be the number of tennis balls and y the number of rackets.

-We divide the number of balls by the number of rackets to find out their ratio of proportionality:

\frac{x}{y}=\frac{5}{5}=\frac{1}{1}=1

-Hence, for each one ball there is one racket, so;

x=y

-This relationship is linear in nature, a direct variation, and can be graphed as attached below:

6 0
2 years ago
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1.8 divided by 1,008 I have to have it by tomorrow please help ! And also I have to show all the work so please help me
Deffense [45]

Answer:

560

Step-by-step explanation:

this is solved above, I hope it helps

6 0
2 years ago
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