MATHEMATICS HIGH SCHOOL

CANT GET WRONGThe equation y = 4x + 4 describes the relationship between the quantities x and y. Are the quantities in a proportional relationship?
A) Yes, because the graph of the equation is a straight line.
B) No, because the graph of the equation is not a straight line.
C) Yes, because the graph of the equation passes through the origin.
D) No, because the graph of the equation does not pass through the origin.

Answers

Answer 1

Answer:

Answer:

Option D is correct that is No, because the graph of the equation does not pass through origin.

Step-by-step explanation:

We have been given the equation:

y = 4x+4

The direct proportion means if equation follow: y=mx where m is the proportion or can say equation passes through origin.

Here, equation is y=mx+c not y=mx

In y=mx

We can see if x increases y will increase

And if x decreases y will decrease.

Therefore, Option D is correct that is No, because the equation does not pass through origin.

Answer 2

Answer: The correct answer would be D. because if the equation has a y-intercept (+4) than the line doesn't go through the origin.

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At the end of May, Janet told Sam that she has read 10 books this year and reads 2 books each month. Sam wants to catch up to Janet. He tracks his book reading with a table on his door. Using his table below, what month will Sam have read the same amount of books as Janet?A. November
B. December
C. Janurary
D. March

Answers

Answer:

Step-by-step explanation:

march

Answer:

D- March

Step-by-step explanation:

I took the quiz

HELP ASPA WILL GIVE BRAINLISETA pizza delivery man makes $50.00 a shift. If he makes $3.00 on each delivery he makes, how much will he make if he makes 22 deliveries in one shift? Create an equation to represent this situation. Write the equation in function notation. State the ordered pair for 22 deliveries and explain your solution.

Answers

Answer:

f(x) = 3x + 50 is the equation in function notation.

(22, 116) is the ordered pair for 22 deliveries.

Step-by-step explanation:

First, create the equation. Let x represent how many deliveries he makes.

Since he makes $3 on each delivery, the total amount he makes from deliveries can be represented by 3x.

He also makes $50 a shift, so add this to 3x in the equation:

f(x) = 3x + 50 is the equation in function notation.

Find how much he will make if makes 22 deliveries. Plug in 22 as x:

f(x) = 3x + 50

f(22) = 3(22) + 50

f(22) = 66 + 50

f(22) = 116

So, he will make $116.

As an ordered pair, the solution is (22, 116).

Answer:

f(x) = 3x + 50

Step-by-step explanation:

If he makes $50.00 a shift, and $3.00 for each delivery, and he makes 22 deliveries in one shift then the equation (in function notation) would be f(x) = 3x + 50. and the solution to the equation is 116.

Mindy wants to solve the following system using the elimination method: y = x − 4
y = 2x − 3

What number should the equation y = x − 4 be multiplied by to eliminate x?

Answers

The Mindy should multiplied the second equation with number 2 to elminate the x term and solve the system using the elimination method.

What is elemination method?

The elemination method is used to solve the system of equation and to find the values of unknown variable.

To solve the equations using the elemination method, follow the following steps-

Multiply all the equation, with a number such that the one of the comon variable of both the equation gets the same coefficient.
Substract the equations to elminate one of the variable.
Solve the equation for remaining variable.
Substitude the value of this variable in any equation to find the value of other variable.

The system of equation, Mindy wants to solve using the elimination method are,

$y = x - 4\ny = 2x - 3$

To perform the elemation method, the terms of varible of x in both the equation should be same.

The coefficient of x in second equation is 2. Thus, the equation y = x − 4 should be multiplied by 2 to eliminate x.

$2y =2 (x - 4)\n2y =2x - 8$

Hence, the Mindy should multiplied the second equation with number 2 to elminate the x term and solve the system using the elimination method.

Learn more about the eleminationmethod here;

brainly.com/question/826228

y = x − 4 // * (-2) ( multiply by -2 )
y = 2x − 3

-2 y = -2 x + 8
y = 2x − 3
------------------ sum
-y = -2x + 2x +8 - 3
-y = 0 + 5 //x has been eliminated

answer: multiply by -2

a basket of laundry is being separated. Divide 48 pieces of clothing into 2 groups so that the ratio is 1:3

Answers

The answer to this question would be 12 cloth: 36 cloth

In this question, you are asked to divide the clothing into 1:3 ratio. That mean, you need to divide the clothing into 4 parts (1+3), then put 1 part in one basket and 3 parts in other baskets. The calculation would be:

Basket 1= 48 cloth * 1/(1+3)= 12 cloth
Basket 2= 48 cloth * 3/(1+3)= 36 cloth

Answer:

Step-by-step explanation:

1+3=4

so 48/4=12

What number can be subtracted from both the numerator and the denominator of this fraction to produce the fraction on the right? 34/53 -?=1/2

Answers

$(34-x)/(53-x)= (1)/(2) \ \ \ \Leftrightarrow\ \ \ 53-x=2(34-x)\ \ \wedge\ \ \ x \neq 53\n \n53-x=68-2x\n \n-x+2x=68-53\n \nx=15\n \ncheck\ result:\n \n (34-15)/(53-15) = (19)/(38) =(1)/(2)$