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horsena [70]
3 years ago
15

Two cities on a map is 7.5 centimeters.The map is 1 centimeter represents 30 kilometers.What is the distance between the cities

in kilometers?
Mathematics
1 answer:
Nuetrik [128]3 years ago
3 0

Answer:

225 kilometers

Step-by-step explanation:

7.5 times 30 equals 225

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identify the kind of sample that is described. the superintendent of a large school district wants to test the effectiveness of
Andrei [34K]

The sample used in this problem is classified as cluster.

<h3>How are samples classified?</h3>

Samples may be classified as:

  • Convenient: Drawn from a conveniently available pool.
  • Random: All the options into a hat and drawn some of them.
  • Systematic: Every kth element is taken.
  • Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.
  • Stratified: Also divides the population into groups. Then, a equal proportion of each group is surveyed.

For this problem, a group of schools is selected, and then the new program is applied to all students in these school, meaning that all elements in the cluster are surveyed, so cluster sampling is used.

More can be learned about classification of samples at brainly.com/question/25122507

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7 0
2 years ago
Can someone pls answer this question fast?
velikii [3]

Answer:

the answer is 8/3

Step-by-step explanation:

-2/3 ÷ 1/-4

-2/3 × -4/1

8/3

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6 0
3 years ago
Read 2 more answers
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grandymaker [24]

Answer:

≥ and ≤ will both be solid dots, as it includes the number

x ≥ -7 is everything greater than -7; x ≤ 4 is everything less than 4.

to include both, you'd click -7, drag right, and stop at 4

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Mallorie has 5$ in her wallet. If this 10% of her monthly allowance,what is her monlthly allowance?
horsena [70]
50 because 5 times 10 is 50
6 0
2 years ago
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TEN POINTS!!!!! find the equivalent exponential expression (4^3)^5
Tanya [424]

Answer:

4^15

Step-by-step explanation:

We multiply both exponents 3 and 5

So we get:

4^15

Hope this helps

Good Luck

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3 years ago
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