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larisa86 [58]
3 years ago
9

One-half the square of b

Mathematics
2 answers:
enot [183]3 years ago
8 0
A machine produces 240 bolts in 25 minutes. At the same rate how many bolts would be produced in 45 minutes
Simora [160]3 years ago
4 0

Answer:

\frac{b^2}{2}

Step-by-step explanation:

We are supposed to write an algebraic expression for given word phrase.

The square of b would be 'b' raised to second power: b^2.

Half the square of b would be b^2 divide by 2: \frac{b^2}{2}.

Therefore, our required expression would be \frac{b^2}{2}.

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Select the correct answer from each drop-down menu.
erik [133]

Answer:

Grades 6 and 8

Step-by-step explanation:

If the relationship of girls to boys in two different grades are proportional, <u>they must have the same ratio</u>. To tackle this problem, we can find the <u>ratios</u> of genders in each grade and compare them.

Step 1, finding ratios:

Finding ratios is just like <u>simplifying fractions</u>. We will reduce the numbers by their<u> greatest common factors</u>.

  • GRADE 6:

9:12=\\3:4

  • GRADE 7:

12:18=\\2:3

  • GRADE 8:

15:20=\\3:4

  • GRADE 9:

25:36

<u>Can't be simplified!</u>

<u />

Step 2:

Notice how grades 6 and 8 both had a ratio of 3:4. We can conclude that these two grades have a proportional relationship between girls and boys.

<em>I hope this helps! Let me know if you have any questions :)</em>

<u />

8 0
2 years ago
Inez waters her plants every two days. She trims them every 15 days. She did both today. When will she do them both again?
shtirl [24]

The answer is 30 days.

The solution for this is to find the least common multiple. By getting the multiple of both numbers.

Multiples of 2:  2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40…..

Multiples of 15: 15,30,45,60,75……..

The Least Common Multiples of 2 and 15 is 30. So, Inez will do them both again in 30 days.

The least common multiple (LCM) of two numbers is the smallest number that is multiple by the both number.

7 0
3 years ago
PLEASEE HELPP MEEEE!!!!!!!!! PLEASEE!!!!!!!!!!!!!!!<br><br> what is the value of x?
andreev551 [17]
..........................
3 0
3 years ago
The box-and-whisker plot summarizes student scores on a physical fitness test. Students receive an award for scores at or above
Lena [83]

Answer:

74

Step-by-step explanation:

To receive an award, student must obtain a score at or above the upper quartile, from.tye boxplot, the upper quartile is depicted by the endpoint of the box. Hence, the upper quartile of the distribution is 74. Hence only stude Ts who score 74 and above will receive an award Hence, the minimum score required is 74.

4 0
3 years ago
Name the parallel segment
ratelena [41]
MN would be the answer to your question because they are parallel
4 0
3 years ago
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