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3 years ago

Evaluate ab + c for a = 2, b = 3, and c = 4. 9 10 27

Mathematics

2 answers:

valentinak56 [21]3 years ago

7 0

Answer:

Step-by-step explanation:

2*3=6

6+c

6+4=10

professor190 [17]3 years ago

3 0

Answer:

2 x 3=6

6 + 4=10

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Solve the system of equations given below.

eduard

Answer:

The system of this equation is ( -1, 10) which is Option A.

Step-by-step explanation:

Solve for y in the first equation.

$y = - 5x + 5 \\ - 2y = - x - 21$

Replace all occurrences of yy with -5x+5 in each equation.

$10x - 10 = - x - 21 \\ y = - 5x + 5$

Solve for x in the first equation.

$x = - 1 \\ y = - 5x + 5$

Replace all occurrences of x with -1 in each equation.

$y = 10 \\ x = - 1$

The solution to the system is the complete set of ordered pairs that are valid solutions.

(−1, 10)

Hence, the system of this equation is (-1, 10). 

Option A.

5 0

3 years ago

IF YOU HELP WILL MAKE BRAINLYIST!!!!!!!!

meriva

Answer:

In geometry, a polygon is a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal chain or polygonal circuit. The solid plane region, the bounding circuit, or the two together, may be called a polygon.

The segments of a polygonal circuit are called its edges or sides, and the points where two edges meet are the polygon's vertices(singular: vertex) or corners.

So, if a shape has points where two edges meet, it is indeed a polygon. Some examples include: Equilateral Triangles, Squares, Regular Pentagons, Regular Hexagons, Regular Heptagons, and Regular Octagons.

3 0

4 years ago

Read 2 more answers

Hey I need help with probability question! 20POINTS

VLD [36.1K]

55 cause 45 + 15 = 60+40 =100]

3 0

3 years ago

Suppose a student carrying a flu virus returns to an isolated college campus of 5000 students. Determine a differential equation

zloy xaker [14]

Answer:

x(t) = 5000*( 1 - e^-kt)

Step-by-step explanation:

Given:

- Total number of students n = 5000

Find:

Differential equation governing the number of students x(t) who have contracted the flu.

Solution:

- Number of non-affected students = (5000 - x)

Hence,

- Rate at which students are infected:

dx / dt = k*(5000 - x )

- separate variables:

dx / (5000 - x ) = k*dt

- Integrate both sides:

- Ln(5000 - x) = kt + C

- Evaluate C for x = 0 @ t = 0

- Ln(5000 - 0) = k*0 + C

C = - Ln(5000)

- The solution to ODE is:

Ln(5000 - x) = -k*t + Ln(5000)

5000 - x = 5000*e^-kt

x(t) = 5000*( 1 - e^-kt)

4 0

3 years ago

Determine how long it will take an object to rotate through 20.0 revolutions at an angular velocity of 2.8 radians per second. U

Andreyy89

The conversion factor between radians and revolution as measures of angle is 2π rad is equal to 1 revolution. Converting the given angular velocity to rev/s,
(2.8 rad) x (1 rev / 6.28 rad) = 70/157 revolution per second
Dividing the given angle, 20 rev by the velocity,
(20 rev) / (70/157 rev/s) = 44 6/7 s
Thus, the answer is approximately 44.9 seconds.

5 0

4 years ago