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anzhelika [568]
3 years ago
6

A small cinema has 25 rows of seats. The first row has 18 seats. Each row has two more seats than the previous row. a. Find the

number of seats in the 10th row. b. Find the total number of seats in the cinema.
Mathematics
1 answer:
SOVA2 [1]3 years ago
4 0

Answer: the number of seats in the 10th row is 36 seats and the number of total seats in cinema is 66 seats because there is 25 rows and the first row started out at 18 seats

Step-by-step explanation:

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3 years ago
Line p contains point (6,-5) and is perpendicular to line q. The equation for line qis y = 3x + 5 .
icang [17]

Answer:

23

Step-by-step explanation:

6 0
3 years ago
Use slopes and y-intercepts to determine if the lines -5x – 4y = -3 and -5x – 5y = -3 are parallel
Bogdan [553]

Answer:

Not parallel.

Step-by-step explanation:

If the slopes are the same they are parallel.

So we convert each one to slope-intercept form:

-5x - 4y = -3

-4y = 5x - 3    Divide both sides by -4:

y = -5/4 x + 3/4.  

Slope = -5/4.

-5x – 5y = -3

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y = -1 x + 3/5.

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The slope are different - so NOT parallel.

7 0
3 years ago
Math problem A homeowner has two rectangular structures in her backyard. The dimensions of the hot tub are 6 feet by 8 feet. The
Zolol [24]

Answer:

289feet²

Step-by-step explanation:

Area of a rectangle = length x breadth

area of a square = length²

area of the yard that is not covered by the hot tub and fire pit =

Area of the yard - (area of the hot tub + area of the fire pit)

Area of the yard = 20 feet² = 400 feet²

area of the hot tub =  6 feet² x 8 feet² = 48 feet²

area of the fire pit = 7 feet² x 9 feet² = 63 feet²

400 - (48 + 63) = 289 feet²

3 0
3 years ago
This is science just please look at the pic and answer if you know don’t answer if you don’t know don’t steal points
STatiana [176]

Answer:

1) a body of air with horizontally uniform temperature, humidity, and pressure.  

2) the foremost part or surface of anything. the part or side of anything that faces forward: the front of a jacket.

3) A cold front is often associated with showers and thunderstorms. As it advances, often quite rapidly (50 to 65 km [30 to 40 miles] per hour), the cold air, which is relatively dense, undercuts the displaced warm air, forcing it to rise.

4) Cold Fronts. When a cold front passes through, the weather becomes significantly colder and drier. (It isn't uncommon for air temperatures to drop 10 degrees Fahrenheit or more within an hour of a cold frontal passage.) The weather map symbol for a cold front is a blue curved line with blue triangles.

5) When a cold front passes through, temperatures can drop more than 15 degrees within the first hour. Symbolically, a cold front is represented by a solid line with triangles along the front pointing towards the warmer air and in the direction of movement.

Step-by-step explanation:

Last part ----------------------------------------------------------------------------------------------------------------->

4 0
3 years ago
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