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KengaRu [80]
3 years ago
13

number sense estimate then add to find the combined of the four highways shown in the table. ls your answer reasonable?explain.

lengths of interstate highways interstate 1-90 1-10 1-70 1-80. length (miles) 3,102 2,460 2,153 2,899
Mathematics
1 answer:
ss7ja [257]3 years ago
6 0
Please explain your question more in depth next time
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U= ab/k, for a <br> Solve form A
Andre45 [30]
  • Answer:

<em>a = uk/b</em>

  • Step-by-step explanation:

<em>u = ab/k</em>

<em>uk = ab</em>

<em>a = uk/b</em>

8 0
3 years ago
A company wants to determine the level of interest among its employees for an annual summer picnic. The company wants to survey
Alja [10]

Answer: Use employee identification numbers to randomly select 200 employees

Step-by-step explanation:

Random sampling refers to a sampling technique whereby each sample has an equal chance of being selected. It is an unbiased representation of the entire population and this is vital in drawing conclusion.

From the options given, the best way to randomly choose these 200 employees will be to use employee identification numbers to randomly select 200 employees.

7 0
3 years ago
Measuring Units Worksheet 2 Convert the following measurements. 1 a. 4.13 cm = mm 2 a. 486 cm = m 3 a. 4.2 m = cm 4 a. 706 cm =
DaniilM [7]

Answer:

  1. 41.3 mm
  2. 4.86 m
  3. 420 cm
  4. 7.06 m
  5. 2.2 cm
  6. 5.93 m
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  8. 79 cm
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Step-by-step explanation:

7 0
3 years ago
A certain drug is made from only two ingredients: compound A and compound B. There are 3 milliliters of compound A used for ever
Sphinxa [80]

Answer:

304\dfrac{4}{7}\ milliliters

Step-by-step explanation:

If there are 3 milliliters of compound A used for every 4 milliliters of compound B, then we can denote that we use 3x milliliters of compound A and 4x milliliters of compound B to get 533 milliliters of the drug. Thus,

3x+4x=533,\\ \\7x=533,\\ \\x=\dfrac{533}{7}\ milliliters.

Hence, a chemist must take

4\cdot \dfrac{533}{7}=\dfrac{2132}{7}=304\dfrac{4}{7}\ milliliters

of compound B.

5 0
2 years ago
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Julli [10]

Answer: 32

Step-by-step explanation: you do 7 divide by 1 and (3/4). then mulltiply it by 8

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