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aleksley [76]
3 years ago
15

Perform the indicated operations:

Mathematics
1 answer:
zimovet [89]3 years ago
7 0

Answer:

B. x+1 / x+9

Step-by-step explanation:

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Read 45 pages of her book in 2 hours .at that rate how many would she read in 12 hours?
8_murik_8 [283]
2 hours = 45 pages

1 hour = 45 ÷ 2 = 22.5 pages

12 hours = 22.5 x 12 = 270 pages

Answer; 270 pages
5 0
3 years ago
This question refers to unions and intersections of relations. Since relations are subsets of Cartesian products, their unions a
Mice21 [21]

Answer:

AXB= = {(x, y) ∈ A ✕ B| x ∈ A , y ∈  B}

R= {(x, y) ∈ A ✕ B| x R y ⇔ |x| = |y|}

S={(x, y) ∈ x A ✕ B | S y ⇔ x − y is even}

R ∪ S= {(x, y) ∈ A ✕ B | (x, y) ∈ R or (x, y) ∈ S}

R ∩ S = {(x, y) ∈ A ✕ B | (x, y) ∈ R and (x, y) ∈ S}

Step-by-step explanation:

Let A = {−4, 4, 7, 9} and B = {4, 7},

Then A X B= { (-4,4),(-4,7),(4,4),(4,7),(7,4),(7,7),(9,4),(9,7)}

AXB contains all elements of A and B such that x from A and y is from B.

AXB= = {(x, y) ∈ A ✕ B| x ∈ A , y ∈  B}

R= {(-4,4),(4,4),(7,7)}

R consists all ordered pairs where  |x| = |y|

R= {(x, y) ∈ A ✕ B| x R y ⇔ |x| = |y|}

S= { (-4,4),(4,4),(7,7)}

S={(x, y) ∈ x A ✕ B | S y ⇔ x − y is even}

S consists all ordered pairs where x-y is even.

R ∪ S, = { (-4,4),(4,4),(7,7)}

R US is a set containing subsets of both sets R and S

R ∪ S= {(x, y) ∈ A ✕ B | (x, y) ∈ R or (x, y) ∈ S}

R ∩ S=  {(-4,4),(4,4),(7,7)}

R ∩ Sis a set containing subsets only which are common between sets R and S

R ∩ S = {(x, y) ∈ A ✕ B | (x, y) ∈ R and (x, y) ∈ S}

8 0
2 years ago
Can someone please answer. There is one problem. There's a picture thank you!
Whitepunk [10]
False I think, please don't quote me on that
7 0
2 years ago
Read 2 more answers
Each pair of figure is similar find the missing side
Marat540 [252]
As you can see from the polygon, 70/10= 7.

The second polygon is an enlargement of the first one. 

Just multiply 4*7 to get the answer. 

4*7= 28

That's the answer!

I hope this helped you!

Brainliest answer is always appreciated!
3 0
3 years ago
Read 2 more answers
In geometry, you can use deductive rules to.
Katen [24]
B. Prove conjectures
7 0
3 years ago
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