One example of a mathematical model is an equation that describes the relationship between two quantities.

a. True
b. False

Answers

Answer 1

Answer:

True

Step-by-step explanation:

Linear equations are often used to model the relationship between the dependent variable that is affected by changes in the independent variable.  

For instance, the linear function: f(x) = 2x + 3, where f(x) is the output (dependent variable) depends on the value of the input, x (independent variable).  

Therefore, the correct answer is True.      


Related Questions

Solve for y
A 3
B 5
C 2
D 4

Answers

Answer:

y = 4

Step-by-step explanation:

The three lines means those segments are equal

4y+8 = 24

Subtract 8 from each side

4y+8-8 = 24-8

4y = 16

Divide each side by 4

4y/4 = 16/4

y = 4

The graph of y = x2 + 4x + 3 is shown.
a) What are the coordinates of the turning point?
b) What are the coordinates of the roots of the equation x + 4x + 3 = 0 ?

Answers

Answer:

a.(-2,-1)

b.(-3,0) and (-1,0)

Step-by-step explanation:

the roots are 2

bob has some 10 lb weights and 3 lb weights. together, all his weights add up to 50 lb. if x represents the number of 10 lb weights, which equation can be used to find the number of each type of weight bob has ?

Answers

It is 5 only because

Can someone actually help and not delete their answer I rlly need your help I’ll make u brainliest or whatever

Answers

Answer:

p = -30 + 20

Hope this helps!

SHOW YOUR WORK FOR CREDIT!

2. 9(1 − 3n)

A) 3n + 35
B) −5n + 35
C) −5n − 10
D) 9 − 27n 3)

Answers

9x1=9
9-9(3n)
9-27n
Can’t be solved

Help me I don't understand

Answers

Answer:

For first equation: it would be 5^2 which is 25 so 25 - 9 = 16 then 2(4 - 3) = 2 x 4-3 = 2 x 1 = 2 so 16 divided by 2 = 8

[tex]500+500+500[/tex]

Answers

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: uoᴉʇnlos ɹnoʎ sᴉ ǝɹǝɥ

[tex]500 + 500 + 500[/tex]

[tex]1500[/tex]

A car is traveling at a rate of 99 kilometers per hour. What is the car's rate in kilometers per minute? How many kilometers will the car travel in 15 minutes? Do not round your answers.

Answers

Answer:

it is going 1.65 kilometers per minute and it will travel 24.75 kilometers in 15 minutes

Step-by-step explanation:

F(0)=4-8x indicate value

Answers

f(0)=4-8x
f(0)=4-8(0)
f(0)=4

Answer:

f(0) = 4

Step-by-step explanation:

F(x) = 4-8x

We know that f(0) = 4-8x

Thus we sub 0 for the x value, resulting in;

f(0) = 4-8(0)

f(0) = 4-0

f(0) = 4

Rosie Belin worked these total weekly hours in four weeks of work: 45, 38, 42, and 43. Her job pays $14 for each hour worked. What AVERAGE gross pay did she earn per week for these four weeks of work?

Answers

Answer:

Add the total number of hours in the four weeks and multiply that with the hourly pay rate to find the total gross pay. Divide the total gross pay by 4 to find the weekly average gross pay. An employee may earn income from various sources. The total income is the sum of all the earnings and is called as.

=727

Solve 48x - 30 = 30 + 78x

Answers

X = -2 how this helps

Mya says the value of 6 in 0.006 is 1-10 of the value of 6 in 0.6. Is the correct?

Answers

Answer:

no, it is incorrect it is 1-100 the value

Step-by-step explanation:

0.006×10= 0.06

0.006×100=0.6

If you can help please do! Thank you!

Answers

Answer:

see explanation

Step-by-step explanation:

The diagonals of a parallelogram bisect each other , then

CO = OA = b

DO = OB = a

(a)

CA = CO + OA = b + b = 2b

(b)

DC = DO + OC = a - b

(c)

CB = CO + OB = b + a = a + b

see if you can solve for y

y-4=3

Answers

Answer:

And y = 7?

Step-by-step explanation:

Subtract the linear expressions. (−2.6x+4.2)−(3.9x+2.5) What is the difference? Enter your answer in the box.

Answers

Answer:

-13x/2+1.7

Step-by-step explanation:

The difference of the given expression is - 6.5 x + 1.7.

Given that, (−2.6x+4.2)−(3.9x+2.5).

What is the subtraction of expressions?

To subtract an algebraic expression from another, we should change the signs (from '+' to '-' or from '-' to '+') of all the terms of the expression which is to be subtracted and then the two expressions are added.

Now, (−2.6x+4.2)−(3.9x+2.5)

= (-2.6x-3.9x)+4.2-2.5

= - 6.5 x + 1.7

Therefore, the difference of the given expression is - 6.5 x + 1.7.

To learn more about the subtraction of expression visit:

brainly.com/question/12959016.

#SPJ2

Question 1 (2 points)

(01.02

What is the product of 0.51 0.24? (2 points)

1) 0.1224

2) 1.124

3) 11.24

4) 1124

Answers

Answer:

0.52 x 0.24 means "about a half times 0.24". Given the multiple choice answers, the correct answer is therefore 0.1224 (since this is the only one smaller than 0.24).

Proof:

0.50 × 0.24 = 0.12

0.01 × 0.24 = 0.0024

And therefore 0.51 × 0.24 = 0.12 + 0.0024 = 0.1224

Step-by-step explanation:

Find (i) x ,y ,z and w (ii) x + y + z + w

Please lemme know with explanation

Answers

Answer:

x = 60°, y = 100°, z = 120°, w = 80°

Step-by-step explanation:

x and 120° are adjacent angles on a straight line and sum to 180°

x + 120° = 180° ( subtract 120° from both sides )

x = 60°

Similarly

y + 80° = 180° ( subtract 80° from both sides )

y = 100°

and

z + 60° = 180° ( subtract 60° from both sides )

z = 120°

--------------------------------------------------------------------

The sum of the interior angles in a quadrilateral = 360°

sum the interior angles of the quadrilateral and equate to 360°

60° + 80° + 120° + 4th angle = 360°

260° + 4th angle = 360° ( subtract 260° from both sides )

4th angle = 100°

w and 100° are adjacent angles on a straight line and sum to 180° , so

w + 100° = 180° ( subtract 100° from both sides )

w = 80°

Find the distance from point A (-1/4,5)

to the line - x + 2y = 14. Round your answer to the nearest tenth.

Answers

Answer:

1.7 (units).

Step-by-step explanation:

1) if the point A has (-0.25;5) and the equation of the given line is -x+2y=14 (Ax+By+C=0), then the required distance can be calculated according to the formula:

[tex]d=\frac{Ax_0+By_0+C}{\sqrt{A^2+B^2} }[/tex]     , where A, B and C belong to the given line, x₀, y₀ - coordinates of the given point;

2) A=-1, B=2, C=-14 and x₀=-0.25, y₀=5, then according to the formula above:

[tex]d=|\frac{0.25+5*2-14}{\sqrt{4+1}}|=\frac{3.75}{\sqrt{5}}=\frac{3.75}{2.2}=1.7[/tex]

i need help to a can get an A

Answers

Answer:

See below:

Step-by-step explanation:

We can use the Pythagorean Theorum to find out the missing side because we have a 90 degree right angle and 2 sides already given to us.

The Pythagorean Theorem states that a^2 + b^2 = c^2

a in this case would be the shortest side,

b in this case would be the 2nd longest side,

c is the hypotenuse.

[tex]a^{2} + b^{2}= c^{2} \\a^{2} + 15^{2} = 17^{2}[/tex]

If we solve this, we get 8!

Cheers!

Clarissa climbs into the back of the truck to tie the lawn mower in place. If she does 528 joules of working raising herself to the truck bed, how much force did she apply?

Answers

I think about 200 force

4y²=49 solve the equation​

Answers

y = 3.5

steps:
divided both sides by 4
y^2 = 12.25
square 12.25
= 3.5
Solution:

[tex]4y ^{2} = 49 \\ = > {y}^{2} = \frac{49}{4} \\ = > {y} = \sqrt{ \frac{49}{4} } \\ = > y = \frac{ \sqrt{49} }{ \sqrt{4} } \\ = > y = \frac{7}{2} \\ = > y = 3.5[/tex]

Answer:

y = 3.5

Two numbers are in the ratio 7: 4 . If they differ by 15 ,the numbers are​

Answers

Let the numbers be 7x and 4x resp.
Also
According to question
7x -4x =15
3x=15
X=15/3
X=5
So the numbers are
7x = 7 *5 =35
4x= 4*5=20

Lets take 7:4 be 7x and 4x

7x - 4x = 15

3x = 15

x = 5

______________________________

7x = 7 × 5 = 35

4x = 4 × 5 = 20

You buy 6 items for $25.60. About how much did you spend?

Answers

Answer:

$4.20 i divided

Step-by-step explanation:

Answer:

156

Step-by-step explanation:

The question says about. So you have to Round 25.60. Since the 0.60 part is greater than 0.50, we round it up to 1. Now add 25 and 1 to get 26. Now multiply 26 x 6 to get your answer (156)

what is the answer to 7 1/3 + 5 4/5

Answers

Answer:

13 2/15

Step-by-step explanation:

katie can mow at a constant speed rate of 4/5 lawns per hour

Answers

Answer:

y=4/5x+B

what is the whole question?

Please help!!!!!

answer options

a) slope of Function B =2 x slope of Function A

b) slope of Function A = slope of Function B

c) slope of Function A =2 x slope of Function B

d) slope of Function B = - slope of Function A

Answers

The answer to the question is a

Find the y-coordinate of the vertex point of y = -4(x - 4)(x + 17

Answers

(hope this helps) :)

Find the slope of the y intercept of the graph linear equation 2x+y=7

Answers

2x+y=7

-2x       -2x

y=-2x+7

slope of -2

Hope this is right, feel free to correct me in the comments

Answer:

-2

nsskwiwkwnwhsisnenwnwjw w w

what is the slope of the line through -7,-8 and (0,4)?

Answers

Answer:

A: 12/7

Step-by-step explanation:

please please help with question ill give high points and brainliest

Answers

Answer:

Step-by-step explanation:

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