All categories

3 years ago

What are the coefficients in the problem 7a + 5b =c

Mathematics

1 answer:

ki77a [65]3 years ago

3 0

Answer:

7 and 5

Step-by-step explanation:

they have variables with them

You might be interested in

What is the volume of the cylinder shown? (Use 3.14 for π .) the height is 21 in and half the diameter is 15 .

-BARSIC- [3]

Answer:

Volume = 14,836.5 cubic inches

Step-by-step explanation:

Cylinder not shown but information given. So we will calculate the volume.

Volume of Cylinder is given by the formula:

$V=\pi r^2 h$

Where

V is the volume

r is the radius (HALF of DIAMETER)

h is the height

It is given in the problem,

Height is 21

h = 21

and

half the diamter (aka radius) is 15

r = 15

Substituting into formula and using 3.14 for $\pi$ , we get the volume:

$V=\pi r^2 h\\V=\pi (15)^2 (21)\\V=(3.14)(225)(21)\\V=14,836.5$

Hence, the volume is:

Volume = 14,836.5 cubic inches

7 0

3 years ago

How do I factor 1/4d-3/4

kvasek [131]

1/4d - 3/4 =
1/4(d - 3)

4 0

3 years ago

Identify the values a, b, and c is the first step in using the quadratic formula to find the solution(s) to a quadratic equation

zlopas [31]

The values are a = 7, b = -9, c = -18.

<u>Step-by-step explanation:</u>

The given quadratic equation is $7x^{2} - 9x = 18$

The general form of the quadratic equation is $ax^{2} + bx + c = 0$

where,

a is the coefficient of x².
b is the coefficient of x.
c is the constant term.

Now, you have to modify the given quadratic equation similar to the general form of quadratic equation.

So, bring the constant term 18 to the left side of the equation for equating it to zero.

⇒ $7x^{2} - 9x - 18 = 0$

Compare the above equation with general form $ax^{2} + bx + c = 0$

⇒ a = 7

⇒ b = -9

⇒ c = -18

Therefore, the values of a, b, and c are 7, -9 and -18.

7 0

3 years ago

Read 2 more answers

a company is offering a job with a salry of 30000 for the first year and a 5% raise each year after that If the 5% raise continu

stellarik [79]

Figure out 5% of 30,000: .05 x 30,000 = 1,500

Multiply 1,500 by the number years, but subtract the first year (as you don't receive a bonus) : 1,500 x 39 = 58,500

Now add the bonus with the initial salary: 58,500 + 30,000 = 88,500.

THE ANSWER IS $88,500!!! :)

5 0

3 years ago

Suppose line segment AB has one endpoint at A(0, 0). What are the coordinates of B if (5, 3) is 1/3 of the way from A to B?

prisoha [69]

Answer:

$B(x_2,y_2)= (20,12)$

Step-by-step explanation:

Given

$A = (0,0)$

$Ratio; m : n = 1 : 3$

$Point\ at\ 1 : 3 = (5,3)$

Required

Coordinates of B

This question will be answered using line ratio formula;

$(x,y) = (\frac{mx_2 + nx_1}{m + n},\frac{my_2 + ny_1}{m + n})$

In this case:

$(x,y) = (5,3)$

$(x_1,y_1) = (0,0)$

$m : n = 1 : 3$

Solving for $(x_2,y_2)$

$(x,y) = (\frac{mx_2 + nx_1}{m + n},\frac{my_2 + ny_1}{m + n})$ becomes

$(5,3) = (\frac{1 * x_2 + 3 * 0}{1 + 3},\frac{1 * y_2 + 3 * 0}{1 + 3})$

$(5,3) = (\frac{x_2 + 0}{4},\frac{y_2 + 0}{4})$

$(5,3) = (\frac{x_2}{4},\frac{y_2}{4})$

Comparing the right hand side to the left;

$\frac{x_2}{4} = 5$ -- (1)

$\frac{y_2}{4} = 3$ -- (2)

Solving (1)

$x_2 = 5 * 4$

$x_2 = 20$

Solving (2)

$y_2 = 3 * 4$

$y_2 = 12$

Hence;

$B(x_2,y_2)= (20,12)$

5 0

3 years ago