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Amanda [17]
3 years ago
8

If the theater has 180 seats in 20 rows, then how many seats are there in 4 rows?

Mathematics
2 answers:
liq [111]3 years ago
5 0

50 seats are in the 4 rows

UkoKoshka [18]3 years ago
4 0

Answer:

The sum is 10(16 + 54) =700

Step-by-step explanation:

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A farmer had a farm with animals.
Gnom [1K]

Answer: Part B

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is the possibility that a red or green marble will be selected from a bag containing 9 red marbles, 6 blue marbles , 7 gree
marusya05 [52]

Answer:

16/33

Step-by-step explanation:

We have a bag of :

9 red marbles

6 blue marbles

7 green marbles

11 yellow marbles

Total number of marbles = 33 marbles.

The possibility that a red or green marble will be selected from a bag

P( Red or Green) = P(Red) + P(Green)

In the question we are not told if it is with replacement or without. We do both

With replacement

P( R or G) = P(Red) + P(Green)

P(Red)= 9/33

P(Green) = 7/33

= 9/33 + 7/33

= 16/33

Therefore, the possibility that a red or green marble will be selected from a bag is 16/33

8 0
3 years ago
F(x) = 2(x - 3)^2 - 2
Natali5045456 [20]

Hi. I was unsure of what exactly you wanted from this equation, so here's a quick analysis:

<em>f(x) = 2(x - 3)^2 - 2</em>

<em></em>

Domain: (-∞, ∞)

Range: (-2, ∞)

X-intercepts: (4, 0), (2, 0)

Y-intercept: (0, 16)

Axis of Symmetry: x = 3

Minimum value (vertex): (3, -2)

Standard form: y = 2x^2 - 12x + 16

4 0
3 years ago
Thirty percent of a radioactive substance decays in four years.
wel

Answer:

The substance decays by 7.5% every year

Step-by-step explanation:

8 0
3 years ago
3 ½ times as many guests arrived as were expected. If 105 guests were unexpected, how many guests were expected ?
lara [203]
Let x be the expected number Number arriving = 3•5 x Unexpected number 2•5 x 2•5 x = 105 10x = 420 x = 42______Option D
8 0
3 years ago
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