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evablogger [386]
3 years ago
9

What is the differnce between union and intersection in math

Mathematics
1 answer:
ss7ja [257]3 years ago
8 0
Union includes everything whether in common or not while intersection only includes elements in common
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HELP PLEASE DESPERATE!!
devlian [24]

Answer:

A,B,C

Step-by-step explanation:

in these quadrilaterals, the diagonals bisect each other paralellogram, rectangle, rhombus, square

in these quadrilaterals, the diagonals are congruent rectangle, square, isosceles trapezoid

in these quadrilaterals, each of the diagonals bisects a pair of opposite angles rhombus, square

5 0
3 years ago
Read 2 more answers
You have $33. You want to buy a necklace and one other item from the list. a. Write an inequality to represent the situation. Le
Kitty [74]

Answer:

The inequality for amount x (in dollars) is given by

 x ≤ $33 - (cost of necklace).

Step-by-step explanation:

Let the cost of the necklace be $ y.

The amount for the necklace is constant and it is less than $33 and it is also known that the amount for the necklace will be spent.

Therefore after the necklace has been purchased and the amount deducted from $33 the remaining amount can be used completely or partly to purchase the other item.

Let  the cost in dollars of the other item be $x.

The inequality for amount x (in dollars) is given by

 x ≤ $33 - (cost of necklace)

6 0
3 years ago
The formula for the sum of an infinite geometric series, S=a1/1-r, may be used to convert
schepotkina [342]

Answer:

  D.  a1=23/100, r=1/100

Step-by-step explanation:

The repeating fraction can be written as the sum ...

0.\overline{23}=0.23+0.0023+0.000023+\dots

The first term is a1 = 0.23 = 23/100, and each successive term is shifted 2 decimal places to the right, so is multiplied by the common ratio r=1/100.

7 0
3 years ago
Read 2 more answers
Write an equation for the line that goes through (-2,6) and is parallel to the line y=1/2x+9
katrin [286]

Answer:

y = 1/2x + 7

Step-by-step explanation:

Parallel lines have the same slope.

Therefore the new equation will have a slope(m) = 1/2

Substitute m = 1/2 and point (-2, 6) into y = mx + b to solve for "b"

y = mx + b

6 = 1/2(-2) + b

6 = -1 + b

7 = b

The new equation: y = mx + b

                                y = 1/2x + 7

7 0
3 years ago
Adam is building a rectanglar swimming pool. The perimeter of the pool must be no more then 120 feet. If the length of the pool
jasenka [17]

Answer:

W\leq 38\ ft

The maximum width must be 38\ ft

Step-by-step explanation:

Let

L ----> the length of the rectangular pool

W ---> The width of the rectangular pool

we know that

P\leq 120\ ft  

P=2(L+W)

so

2(W+L)\leq 120 ----> inequality A

we have

L=22\ ft

substitute the value of L in the inequality A

2(W+22)\leq 120

simplify

(W+22)\leq 60

W\leq 60-22

W\leq 38\ ft

The maximum width must be 38\ ft

3 0
3 years ago
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