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Semenov [28]
3 years ago
15

Jessica has two strings. the first string measures 80 cm and the second string measures 64cm. she wants to cut the strings into

equal lengths. of the least number of strings equal length is 16 what is the length of each string
Mathematics
1 answer:
omeli [17]3 years ago
5 0
<span>The highest common denominator between 80 and 64 is 16. This means no string can be cut longer than 16 inches for them all to have the same length.</span>
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For each value of y , determine whether it is a solution to -21=6y-9 . A -5, B 3 , C -2, D 9
Nezavi [6.7K]

Option C

For each value of y, -2 is a solution of -21 = 6y - 9

<u>Solution:</u>

Given, equation is – 21 = 6y – 9  

We have to find that whether given set of options can satisfy the above equation or not

Now, let us check one by one option

<em><u>Option A) </u></em>

Given option is -5

Let us substitute -5 in given equation

- 21 = 6(-5) – 9

- 21 = -30 – 9  

- 21 = - 39  

L.H.S ≠ R.H.S ⇒ not a solution

<em><u>Option B)</u></em>

Given option is 3

- 21 = 6(3) – 9  

- 21 = 18 – 9  

- 21 = 9  

L.H.S ≠ R.H.S ⇒ not a solution

<em><u>Option C)</u></em>

Given option is -2

- 21 = 6(-2) – 9  

- 21 = - 12 – 9  

- 21 = - 21  

L.H.S = R.H.S ⇒ yes a solution

<em><u>Option D)</u></em>

- 21 = 6(9) – 9

- 21 = 54 – 9  

- 21 = 45  

L.H.S ≠ R.H.S ⇒ not a solution

Hence, the solution for the given equation is – 2, so option c is correct

6 0
3 years ago
The number of girls at middle school Cyber summer camp was six more than twice the number of boys. The total of 156 middle schoo
Sloan [31]
Girls: 81
boys: 75

4x +6 = 156
4x = 150
x = 37.5
2x = 75

girls: 75 + 6
boys: x
7 0
3 years ago
The ratio between the number of students (s) on a field trip and the number of teachers (t) on the field trip is 21/4. There are
RoseWind [281]

Answer:

Step-by-step explanation:

If there needs to be 4 teachers per 21 students, you would divide the total amount of students by 21 and multiply that answer by 4. SO...:

84 ÷ 21 = 4 groups of 21 students.

4 groups × 4 teachers = 16

*** Answer***

16 TEACHERS

5 0
3 years ago
Simplify e^ln3x please​
Rzqust [24]

Answer:

3x

Step-by-step explanation:

e^ln3x

We know that e and ln are inverses of each other, so when we take e to the power ln, they cancel

e^ ln 3x

3x

8 0
2 years ago
Read 2 more answers
William earns straight commission as a real estate agent. Last month his total sales were $971,168. If William earns a 3% rate o
nataly862011 [7]

Answer:

he earned $29,135.04

Step-by-step explanation:

to get answer you multiply total sales by .03

7 0
2 years ago
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