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podryga [215]
3 years ago
12

Use a ______________ when you are unable to ask every member of the population.

Mathematics
1 answer:
katen-ka-za [31]3 years ago
4 0

B. sample is the correct answer.

If you cannot ask every member of the population, you should ask a handful of them instead which represent the entire population. This is called a sample.

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A cereal box manufacturer changes the size of the box to increase the amount of cereal it contains. The expressions n and ​n, wh
Alisiya [41]

10.5 small boxes equals the same amount of cereal in a large box

<h3>How to determine the value</h3>

From the information given, let:

n is the number of smaller boxes

We know that:

  • 12 + 7.6n
  • 6 + 8n

Then,

12 + 7.6n = 6 + 8n

collect like terms

8n - 7. 6n = 12 - 6

0. 4n = 6

n = 6/ 0. 4

n = 15

The amount of cereal in a large box is;

6 + 8n = 6 + 8 (15) = 126 ounces

The amount of cereal in the smaller box is 12 ounces

Divide the volume of the larger box by the volume of the smaller box;

= 126/ 12

= 10. 5 smaller boxes

Hence, 10.5 small boxes equals the same amount of cereal in a large box

The complete question:

A cereal box manufacturer changes the sizeof the box to increase the amount of cereal it contains. The equations 12 + 7.6n and 6 + 8n, where n is the number of smaller boxes, are both representative of the amount of cereal that the new larger box contains. How many smaller boxes equal the same amount of cereal in the larger box?

Learn more about word problem here:

brainly.com/question/13818690

#SPJ1

5 0
2 years ago
Whats (-8z-10)(-1.5) using the distributive property to divide?
Inga [223]
Here you go. -1.5*(-8z)-(-1.5)(10)=
12z+15
6 0
3 years ago
Read 2 more answers
NEED HELP ASAP!!!!!!!!!!!
kompoz [17]

Answer:87

Step-by-step explanation:

19×4=76

76+7=83

83+4=87

7 0
3 years ago
Read 2 more answers
A quantity of 230 grams of coffee is added to a jar containing 2.3 kg of coffee. What is the weight of the coffee after the addi
12345 [234]

Answer:

2.530 kg

Step-by-step explanation:

230g = 0.23 kg

2.3+0.23=2.53kg

6 0
3 years ago
3(x-1) - 8 = 4(1+x) +5. Too hard, i keep getting confused
svet-max [94.6K]

3(x-1)-8=4(1+x)+5  

One solution was found :

                  x = -20

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    3*(x-1)-8-(4*(1+x)+5)=0  

Step by step solution :

Step  1  :

Equation at the end of step  1  :

 ((3•(x-1))-8)-(4•(x+1)+5)  = 0  

Step  2  :

Equation at the end of step  2  :

 (3 • (x - 1) -  8) -  (4x + 9)  = 0  

Step  3  :

Step  4  :

Pulling out like terms :

4.1     Pull out like factors :

  -x - 20  =   -1 • (x + 20)  

Equation at the end of step  4  :

 -x - 20  = 0  

Step  5  :

Solving a Single Variable Equation :

5.1      Solve  :    -x-20 = 0  

Add  20  to both sides of the equation :  

                     -x = 20

Multiply both sides of the equation by (-1) :  x = -20

One solution was found :

                  x = -20

hope this is wht u wanted

4 0
3 years ago
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