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Temka [501]
3 years ago
15

Which are examples of unit rates? Check all that apply. A) 100 students for every 2 buses B) 1 teacher per 25 students C)4 penci

ls for each student D) 8 students per team
Mathematics
2 answers:
AleksandrR [38]3 years ago
6 0

Answer:

C) 4 pencils for each student

D) 8 students per team

Step-by-step explanation:

A unit rate is the number of unit of the first type of a quantity corresponding to one unit of the second type of quantity.

That is, if a and b are two quantities,

Then, unit rate of quantity a = x units of 'a' per 1 unit of 'b' or x units of 'a' for 1 unit of 'b'

By the above statement,

The example of unit rates from the given options are,

4 pencils for each student,

8 students per team

Step2247 [10]3 years ago
3 0

Answer:

C) 4 pencils for each student

D) 8 students per team

Step-by-step explanation:

A unit rate is the number of unit of the first type of a quantity corresponding to one unit of the second type of quantity.

That is, if a and b are two quantities,

Then, unit rate of quantity a = x units of 'a' per 1 unit of 'b' or x units of 'a' for 1 unit of 'b'

By the above statement,

The example of unit rates from the given options are,

4 pencils for each student,

8 students per team

Read more on Brainly.com - brainly.com/question/10628909#readmore

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If you are given the equation for a circle as (x+9)2+(y+7)2=289<br> what is the center and radius?
Over [174]
Center:(-9,-7)
Radius: square root of 289=17
3 0
3 years ago
Find the value of 1×4+2×5+3×6......n×(n+3)​
Arada [10]

Answer:

n(n+1)(n+5)/3

Step-by-step explanation:

there is no value, as we don't know n.

but we can create a summary formula/ function definition :

this is the sum for k = 1 to n of k×(k+3)

k×(k+3) = k² + 3k

so, the overall sum splits into the sum of k² for k=1 to n, and the sum of 3k for k=1 to n.

and the sum of 3k is 3 times the sum of k for k=1 to n.

Σk² for k=1 to n = [n(n+1)(2n+1)]/6

Σk for k=1 to n = n(n+1)/2

3×Σk for k=1 to n = 3×n(n+1)/2

so, we have a function formula

n(n+1)(2n+1)/6 + 3n(n+1)/2 = n(n+1)(2n+1)/6 + 9n(n+1)/6 =

= n(n+1)(2n+1+9)/6 = n(n+1)(2n+10)/6 = n(n+1)(n+5)/3

3 0
3 years ago
Someone please help me
IgorC [24]

Answer:

44.59

Step-by-step explanation:

49.92*2 = 49.96/2 = 124.90

Tax on that is 124.90*1.071 = 133.7679

Divide that 3 to get average mean cost

133.7679/3 = 44.589

round to 44.59

5 0
3 years ago
Let f (x) = 1/ x-3and g(x) = x+5. What is the domain of (fºg)(x)?
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Answer:

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4 0
3 years ago
Find three equivalent rational number of 5/3​
vesna_86 [32]

Answer:

<em><u>Equivalent</u></em><em><u> </u></em><em><u>fractions</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>5</u></em><em><u>/</u></em><em><u>3</u></em><em><u> </u></em><em><u>are-</u></em>

  1. <em><u>5</u></em><em><u>/</u></em><em><u>3</u></em><em><u>×</u></em><em><u>2</u></em><em><u>/</u></em><em><u>2</u></em><em><u>=</u></em><em><u>1</u></em><em><u>0</u></em><em><u>/</u></em><em><u>6</u></em>
  2. <em><u>5</u></em><em><u>/</u></em><em><u>3</u></em><em><u>×</u></em><em><u>3</u></em><em><u>/</u></em><em><u>3</u></em><em><u>=</u></em><em><u>1</u></em><em><u>5</u></em><em><u>/</u></em><em><u>9</u></em>
  3. <em><u>5</u></em><em><u>/</u></em><em><u>3</u></em><em><u>×</u></em><em><u>4</u></em><em><u>/</u></em><em><u>4</u></em><em><u>=</u></em><em><u>2</u></em><em><u>0</u></em><em><u>/</u></em><em><u>1</u></em><em><u>2</u></em>
6 0
3 years ago
Read 2 more answers
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