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fiasKO [112]
3 years ago
7

Instructions:Type the correct answer in each box.

Mathematics
1 answer:
CaHeK987 [17]3 years ago
4 0
C = children, a = adults
c + a = 700...c = 700 - a
7c + 10a = 6400

7(700 - a) + 10a = 6400
4900 - 7a + 10a = 6400
3a = 6400 - 4900
3a = 1500
a = 1500/3
a = 500

a + c = 700
500 + c = 700
c = 700 - 500
c = 200

there were 200 children and 500 adults
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I have 30 ones, 82 thousands, 4 hundred thousands, 60 tens, and 100 hundreds. What number am I?
stich3 [128]
This problem tackles the place values of numbers. From the rightmost end of the number to the leftmost side, these place values are ones, tens, hundreds, thousands, ten thousands, hundred thousands, millions, ten millions, one hundred millions, and so on and so forth. My idea for the solution of this problem is to add up all like multiples. In this problem, there are 5 multiples expressed in ones, thousands, hundred thousands, tens and hundreds. Hence, you will add up 5 like terms. The solution is as follows

30(1) + 82(1,000) + 4(100,000) + 60(10) + 100(100)

The total answer is 492,630. Therefore, the number's identity is 492,630.
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3 years ago
How does the graph of y = 3^–x compare to the graph of y = (1/3)^x?
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Answer:

A. The graphs are the same.

Step-by-step explanation:

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3 years ago
Which of the given is the set of zeroes of the polynomial p(x)=2x3+x2-5x+2
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6 0
3 years ago
Read 2 more answers
-3/5x - 7/20x + 1/4x= -56
romanna [79]

Answer:

x = 80

Step-by-step explanation:

Combine − 3/5x and 7/20x to get -19/20x.

Then combine -19/20x and 1/4x and you get -7/10x.

Then you multiply both sides by -10/7 which is the reciprocal of -7/10.

Make -56(-10) one fraction.

Multiply -56 and -10 and you get 560.

Then divide 560 by 7 to get 80.

 

​  

8 0
3 years ago
Read 2 more answers
The cost of a book was decreased from 60 to 50 by what percent the price decrased with solution​
Artist 52 [7]

Answer:

The price decreased by 16 1/3%, or approximately 16.3%

Step-by-step explanation:

Use the formula for percent change. If the answer is negative, it is a percent decrease. if the answer is positive, it is a percent increase.

percent change = (new price - old price)/(old price) * 100%

In this case, use:

new price = 50

old price = 60

percent change = (new price - old price)/(old price) * 100%

percent change = (50 - 60)/60 * 100%

percent change = -10/60 * 100%

percent change = -1/6 * 100%

percent change = -100/6% = -50/3% = -16 1/3%

The price decreased by 16 1/3%, or approximately 16.3%

7 0
3 years ago
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