An art gallery has 18 paintings and 4 photographs displayed in equal rows on a wall, with the same number of each type of art in each row. What could be the number of rows??

Answers

Answer 1

Answer: The paintings and photographs can be sorted into rows of two.18/2=9, so there would be 9 rows each with two paintings. 4/2=2, so there would be 2 rows with 4 photos. 9+2=11 rows in all :)

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CeeCee recorded the number of necklaces for sale at 10 different locations and then arranged the numbers from smallest to largest. The numbers of necklaces for sale at the locations were 4, 4, 4, 5, 8, 9, 9, 9, 9, and 9.The mean number of necklaces for sale at the locations was 7.What is the mean absolute deviation?
For the first football game of the season, 62732 fans attended. The number of fans at the second game was 469 morw than at the first game. What is the total number of fans that attended the first two games?
write a word problem that can be solved by ordering three decimals to thousandths. include a solution
What Fraction Is Bigger 8/15 or 14/25?
A library is open til' 5:00 P.M. On Wednesdays, the library closes 2 hours early. How many hours for a month is the library open.

suppose 7 out of 30 students are going on a ski trip.predict the number of students out of 150 that are going on the ski trip

Answers

35 students. 150 divided by 30 is 5 that means you'll multiply 7 by 5 and getting 35.

What are the properties of perpendicular bisectors and angle bisectors in a triangle?

Answers

Answer:

Theory

Step-by-step explanation:

The Perpendicular Bisectors in a triangle,(as the name suggests) perpendicularly bisect the sides of triangle

The point at where all 3 meet is called the Circumcenter

The distance of the Circumcenter from any vertex is same and is equal to circumradius(R)

If a circle is drawn with Circumcenter as center and R as radius, it circumscribes the triangle

The Angle Bisectors in a triangle, are dropped from the vertex to the opposite side.(as the name suggests) It bisects the angle at the vertex of the triangle.

The point at where all 3 meet is called The Incenter

The distance of the Incenter from any of the sides is same and is equal to Inradius(r)

If a circle is drawn with Incenter as center and r as radius,it inscribes the triangle

The angle bisector divides the side it intersects in the ratio of the ratio of other 2 sides

the nth pyramidal number tells how many cannonballs there are in a square arrangement that is n cannonballs square. a: true b: false

Answers

This statement is true.

A pyramidal number tells the number of balls that could be stacked evenly with square bases. If were are looking for the nth pyramidal number, that is a pyramid with a square base that is n by n.

If the ratio of purple bikes to red bikes is 8 to 12 and there are a total of 100bikes, how many of them are purple? *

Answers

Add the ratio: 8 + 12 =20

Divide total bike by that: 100/20 = 5

Multiply each part of the ratio by that:

8 x5 = 40

12 x 5 = 60

40 bikes are purple

60 bikes are red

Answer: 40

Step-by-step explanation:

Purple:Red = 8:12

Purple bikes = 8/20 x 100 = 40

brady joined the band.In group 1 there are a total of 44 students.There are 8 students who play the oboe.There are 1 over 2 as many students playing the clarinet as the flute.How many students from group 1 play each instrument

Answers

There are 44 students total (in the group), so the number of oboe players, the number of clarinet players, and the number of flute players all add to 44.
b + c + f = 44
We know that there are 8 oboe players, so:
8 + c + f = 44
Subtract 8 from both sides
c + f = 36
There are half(1/2) as many people playing the clarinet as the flute. so however many people play the flute, there are half that number playing clarinet. We can say that the number of clarinet players = 1/2 * the number of flute players.
c = 1/2 * f
Plug 1/2 * f into the previous equation for c...
c + f = 36
1/2 * f + f = 36
Divide all the terms by 1/2, a.k.a. multiply by 2
f + 2f = 72
3f = 72
f = 24
So, there are 24 flute players. Plug that number back into one of our old equations:
c + f = 36
c + 24 = 36
c = 12
There are 8 oboe players, 12 clarinet players, and 24 flute players.

Convert 7qt/min into gallons per hour

Answers

we first need to turn every thing into the same unit of measure ment

1 gallon=4 quarts
60 minutes=1hour

7*60=420 420 is how many quarts per hour but we want gallons so we want to divide by 4
420/4=105
105 gallons per hour

so
qt=quart
4 quart=1 gallon
1 quart=1/4 gallon
min=minute
60 minutes in 1 hour
1 minute=1/60 hour

so 7 quarts=7 times 1/4 gallons=7/4 gallons
1 minute=1 times 1/60 hours=1/60 minutes

7/4 gallons per 1/60 minutes
(7/4gal)/(1/60h)
we don't really need to divide so multiply the whole thing by (1/60)/(1/60) to clear bottom fraction
(7/4 times 60/1)/(1/60 times 60/1)=(420/4)/(60/60)=(420/4)/(1) =420/4=210/2=105/1=105 gallons per hour

the asnwer is 105 gallons per hour

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