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Lady_Fox [76]
3 years ago
15

Question!! if anyone knows!!!

Mathematics
1 answer:
arlik [135]3 years ago
3 0
Answer: 10
Your welcome
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How do I write the sum of 6x and 2x is at least 39 ?
tatiyna
<h2>Put x = \dfrac{39}{8} I write the sum of 6x and 2x is at least 39 .</h2>

Step-by-step explanation:

We have,,

6x and 2x

To find, the value of x = ?

According to question,

The sum of 6x and 2x is at least 39

∴ 6x + 2x = 39

⇒ 8x = 39

⇒  x = \dfrac{39}{8}

∴ The value of x = \dfrac{39}{8}

Thus, put x = \dfrac{39}{8} I write the sum of 6x and 2x is at least 39 .

5 0
3 years ago
Write the equation of a line that is perpendicular to the given line and that passes through the given point.
poizon [28]

Answer: y=-3x+29

Step-by-step explanation:

First put in y-intercept form to find the slope

4x-12y=2\\-12y=-4x+2\\y=\frac{1}{3} x-\frac{1}{6}

Slope of the 1st equation is 1/3-  the slope of the line perpendicular is the opposite reciprocal, so in the case it is -3

Use the point and the new slope to write the new equation in point slope format

y-y_{1} =m(x-x_{1} )\\y-(-1)=-3(x-10)\\y+1=-3x+30\\y=-3x+29

8 0
3 years ago
Which system of linear equations could be used to determine the price of each book
GuDViN [60]

Answer:

Let the price of the maths book be m and price of the novel book be n

Given that,

Total cost of the books is $54

The price of math book is $8 more than 3 times the price of novel book.

we get,

The system of equation as,

\begin{gathered} m+n=54 \\ m=8+3n \end{gathered}

Hence the system of equation to determine the price of the maths and novel book is,

\begin{gathered} m+n=54 \\ m=8+3n \end{gathered}

4 0
1 year ago
Which of the following expressions is equivalent to 8⋅8⋅8⋅8⋅8⋅8 ?
hodyreva [135]

Answer:

262144, 2 to the power of 18, or 2.62144 x 10 to the power of 5

Step-by-step explanation:

did not see a list of choices so I gave you the only other ways you could write this.

8 0
3 years ago
Read 2 more answers
ASAP I NEED HELP NOWW
marshall27 [118]

27 x 1.25= 33.75

5 x 1.99=9.95

1 x 1.50= 1.50

add that up =45.2

/26 students = 1.73 dollars

4 0
3 years ago
Read 2 more answers
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