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andrew11 [14]
4 years ago
7

Can you please help me I I need help

Mathematics
1 answer:
balu736 [363]4 years ago
4 0
First they ask how many statues does he make in a minute. they don't need anything about the # of ball one so just cross that out of your head. if he makes 42 in 168 min divide 168 by 42 to get that.
Now they ask how many balloons are used in one sculpture. since they are identical they all have the same amount. 252 balloons are used to have 42 sculptures. 252÷42 will get the # of balloons in just one.
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The cost of petrol is 60 rupees per litre a petrol bunk sells 750
Crank

Answer:

45000rupees

Step-by-step explanation:

cost of 1 litre of petrol=60rupees

cost of 750 litres of petrol=750×60rupees

=45000rupees

6 0
3 years ago
What is the solution to the equation -4(2x+3)=2x+6-(8x+2)
Masja [62]

Answer:

b.)  x = -8

Step-by-step explanation:

Solve  -4*(2x + 3) = 2x + 6 - (8x + 2)

-8x + -12  = 2x + 6 - 8x - 2

-8x - 12 = -6x + 4

-12 = 8x - 6x + 4

-12 = 2x + 4

-12 - 4 = 2x

-16 = 2x

x = -8

4 0
4 years ago
Find the area of 9.5 cm and 4.1 cm
xeze [42]

9.5 cm x 4.1 cm = 38.95 cm^2

4 0
4 years ago
Read 2 more answers
A city council consists of eight Democrats and eight Republicans. If a committee of six people is selected, find the probability
saw5 [17]

Answer:

39.16% probability of selecting three Democrats and three Republicans

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this question, the order in which the people are selected is not important. So we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

Desired outcomes:

3 Democrats, from a set of 8.

3 Republicans, from a set of 8.

D = C_{8,3}*C_{8,3} = (C_{8,3})^{2} = (\frac{8!}{3!5!})^{2} = 56^2 = 3136

Total outcomes:

6 people from a set of 16.

T = \frac{16!}{6!10!} = 8008

Probability:

p = \frac{D}{T} = \frac{3136}{8008} = 0.3916

39.16% probability of selecting three Democrats and three Republicans

5 0
3 years ago
What is equivalent to 1/4 (8-6x+12)
Bess [88]
So which is equivilentpemdas
(8-6x+12)(20-6x)multiply/distribute1/4(20-6x)5-6/4x=5-3/2x=-3/2x+5
the answer is D


so mean is equivilent to average
per minute means x feet for every one minute=xfeet/1miin=x/1
so just divide -378/7=-54
mean change in altitude-54 feet per minute
4 0
3 years ago
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