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2 years ago

It takes 10 people 15 hours to prepare the gym for the school dance. How many hours would it take 12 people to prepare the gym?

Mathematics

1 answer:

valentinak56 [21]2 years ago

4 0

Answer

18 hours

Step-by-step explanation:

if 10 people spend 15 hours

one person spend 15/10=1.5

so 1.5 × 12=18hours

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Goes through points (-2,-1) and (-3,5)<br> Help me pleaseeeeeeeeeee

DedPeter [7]

Answer:

Distance between two points = √37

Step-by-step explanation:

Given:

(-2,-1)

(-3,5)

Find:

Distance between two points

Computation:

Distance = √(x1 -x2)² + (y1 - y2)²

Distance between two points = √(-2+3)² + (-1 - 5)²

Distance between two points = √ 1 + 36

Distance between two points = √37

7 0

2 years ago

A, b and c are aged 5,6,9 years old respectively. They have £60 to share and decide to share the money according to the ratio of

Tomtit [17]

Answer:

Step-by-step explanation:

5k+ 6k+9k=20k

20k=£60

k=3£

£15, £18, £27

3 0

3 years ago

What is sixty three hundred in number form

SOVA2 [1]

Answer:

Step-by-step explanation:

600,399

4 0

3 years ago

Read 2 more answers

Help with this question

larisa [96]

Answer:

-2

Step-by-step explanation:

2x + y = 10 Subtract 2x from both sides.

2x-2x + y = 10 - 2x Combine the left.

y = 10 - 2x

The slope is the number in front of the x -- in this case - 2

The answer is - 2

4 0

3 years ago

Tickets to a school play are $4.50 for an adult and $3.00 for a student. If 300 tickets are sold and $1087.50 collected, how man

Kryger [21]

Answer:

<h2>125 tickets for an adult</h2><h2>and 175 tickets for a student</h2>

Step-by-step explanation:

$a-\text{number of the tickets for an adult}\\s-\text{number of the tickets for a student}\\\\(1)\qquad a+s=300\\(2)\qquad4.5a+3s=1087.5\\------------\\(1)\\a+s=300\qquad\text{subtstitute}\ s\ \text{from both sides}\\a=300-s\\\\\text{Put it to (2):}\\\\4.5(300-s)+3s=1087.5\qquad\text{use distributive property}\\\\(4.5)(300)+(4.5)(-s)+3s=1087.5\\\\1350-4.5s+3s=1087.5\qquad\text{subtract 1350 from both sides}\\\\-1.5s=-262.5\qquad\text{divide both sides by (-1.5)}\\\\\boxed{s=175}$

$\text{Put the value of}\ s\ \text{to (1):}\\\\a=300-175\\\\\boxed{a=125}$

3 0

3 years ago