MATHEMATICS HIGH SCHOOL

What is made up of two expressions that are equal in value to each other

Answers

Answer 1

Answer:

Answer:

linear equation

Step-by-step explanation:

i don't know the explanation step by step

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Find the product of (-12) and (3).
-36
-4
4
36

Answers

A negative multiplied by a positive ALWAYS results in a negative. To make things simpler, you could multiply 12 by 3 to get 36, and then add on a negative afterwards. Otherwise, you can use your integer rules or a calculator. Any way you do it, the answer will be -36.

it would be -36 because a negative times by a positive is a negative

What is the answer

Answers

line r is parallel because they don’t intersect

A worker is hired for $80 a day on the condition that if business is slow, the worker will only receive half pay. At the end of 20 days, the worker receives $1,320. On how many days was business slow?

Answers

7 slow days

You know the worker worked a total of 20 days, some at $80 per day, and some at $40 per day. After the 20 days, the worker was paid $1320.

x = days paid full time ($80)
y = days paid half time ($40)

you have two unknowns, so you'll need two equations to solve, from the problem statement, we can derive the following relationships:

($80)x + ($40)y = $1320
x + y = 20 days

x = 20 - y
80(20 - y) + 40y = 1320
1600 - 80y + 40y = 1320
1600 - 40y = 1320
1600 - 1320 = 40y
280 = 40y
y = 280/40 = 7

thus 7 days paid half time (i.e. slow days)

verify your solution is correct
y = 7
x = 20 - 7 = 13
80(13) + 40(7) = 1320 [OK]

Which of the following relationships between two variables could be described using correlation, r?(A) Number of books read and gender of a student.
(B) Number of football games played and the position of a football player.
(C) High temperature of the day and number of zoo visitors that day.
(D) Type of beverage ordered and time of day it was ordered.
(E) Brand of cell phone and number of cell phones sold.

Answers

The relationship which could be described using correlation, r is; Choice C; High temperature of the day and number of zoo visitors that day.

What is correlation

Correlation is a statistical measure that expresses the extent to which two variables are linearly related (meaning they change together at a constant rate). It's a common tool for describing simple relationships without making a statement about cause and effect.

Correlation is characterized by the two variables being quantitative variables.

Hence, since High temperature of the day and number of zoo visitors that day are quantitative, the relationship can be described as correlative.

Answers

Answer: A: Expansion

Step-by-step explanation:

Given: A 24 inch x 30 inch poster is made from a picture that is 4 inch x 5 inch.

Thus, the dimension of the image = 24 inch x 30 inch

The dimension of pre-image = 4 inch x 5 inch.

We know that the scale factor of dilation is given by :-

$k=\frac{\text{side length of image}}{\text{side length of corresponding side in pre-image}}\n\n\Rightarrow\ k=(24)/(4)=(30)/(5)=6$

Since, k>1, therefore the given dilation is an example of expansion because the dimension of the image is greater than the dimension of pre-image.

It's an expansion because they are expanding the original photograph.

you are purchasing jeans and t-shirts. jeans cost $35.and t-shirt costs $15. you plane on spending $115 and purchasing a total of 5 items. how many pairs of jeans and how many t-shirt will you buy

Answers

The answer is
2 jeans
3 t-shirts
Because jeans are £35 so £35x2=£70
T-shirt are £15 so £15x3=£45
£45+£70=£115

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