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3 years ago

Write an expression for 7 divided by c

Mathematics

2 answers:

Nikolay [14]3 years ago

6 0

Answer: 7/c

Step-by-step explanation: The reason I did a slash is because there is no division symbol on the keyboard.

Hope this helps

alexira [117]3 years ago

5 0

Answer:

$\frac{7}{c}$

Step-by-step explanation:

We have to write the expression for the statement "7 divided by c".

Division means 'fraction'. So it must have numerator and denominator.

Whatever divided by should be written in denominator of the fraction. Hence, c should be the denominator.

And since, 7 is divided by c. Hence, 7 is in the numerator.

Thus, the expression for the given statement is $\frac{7}{c}$

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-5x + y = -2<br> -3x + 6y = -12

Korolek [52]

Answer:

x = 0

y = -2

Step-by-step explanation:

-5x + y = -2

x = 0

y = -2

-3x + 6y = -12

x = 0

y = -2

6 0

4 years ago

Can you guys help please im so confused

marissa [1.9K]

Answer:

a) see below

b) 40x20 meters

Step-by-step explanation:

Write down what you know:

- The area of the enclosure is length*width, so

$A = x \cdot y$

- The length of the fencing is 80 meters, so

$2y + x = 80$

Now we have to combine these two equations above, and get rid of y in the process.

First rewrite the second as:

$y = 40 - \frac12 x$

Then substitute for y in the first:

$A = x (40 - \frac12 x) = 40x - \frac12x^2$

b) To maximize A, find the zero of the first derivative:

$A'(x) = 40 - x = 0 \implies x=40$

So y = (80-40)/2 = 20 meters.

8 0

3 years ago

What are the domain and range of f(x) = (1/6)x + 2?

Black_prince [1.1K]

F(x)=x/6+2

There is no restriction upon the values of x, or the values of y.

So the domain and range are both the set of all real numbers.

x=(-oo, +oo) and y=(-oo, +oo)

This can be further seen by the fact that this is a line with a slope of 1/6. So there is no restriction upon x as all values of x produce real values of y. And y approaches -oo as x approaches -oo and y approaches +oo as x approaches +oo.

6 0

3 years ago

Kathie spent $38 on a fruit salad. She bought bananas, mangoes, and pineapples. Bananas cost $1 per pound, mangoes cost $2 per p

devlian [24]

Answer: X * 1 + Y * 3 + Z * 2 = 45

Step-by-step explanation: we will use bananas, apples and mangoes as the unknowns of the equation.

The value that you multiply to the unknowns will be multiplied by the price that corresponds to it.

These 3 products must be added to result in the total value that is 45.

X * 1 + Y * 3 + Z * 2 = 45

6 0

3 years ago

Read 2 more answers

28. Barrett's mom has a flower vase that is shaped like a perfect cylinder.

zimovet [89]

Answer:

Vase volume is 452.16 in³

Step-by-step explanation:

The question asks for the volume of a cylinder of radius r and height h. The relevant formula is V = (pi)(r)^2*h

With h = 9 in and r = 4 in, that max volume (of water) is

V = (3.14)(4 in)^2*(9 in) = 452.`16 in³

5 0

3 years ago