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4 years ago

Help!!! Taking a math test!!!

Mathematics

1 answer:

Whitepunk [10]4 years ago

7 0

x=6

both sides seem the same size, so, we need to find something that equals 24. 3 (x+2). if you add 6 and 2 you get 8. 3x8= 24.

Hope this helps!

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An urn contains 7 red marbles and 12 blue marbles. if we randomly take 5 marbles without replacement, what is the probability th

igomit [66]

$\frac{1}{12}$

7 0

3 years ago

What is 14: x :: 28:7

disa [49]

What is 14:x= 28:7 ? The answer is x=7/2=3.500

4 0

3 years ago

Aaron tracks the time it takes him to mow lawns by writing coordinate points relating x, the time in hours it takes to mow a law

NARA [144]

Answer:

Slope of this line is given by:

Aaron’s rate for mowing lawns is 0.5 acres per hour

Step-by-step explanation:

It is given that time is tracked by Aaron related to x coordinate.

and the area of land mowed in acres is related to y coordinate.

Two of his points are given as:

(3, 1.5) and (5,2.5)

We know that the coordinates are represented in the form of (x,y)

i.e. first coordinate represents x coordinate and

second coordinate represents y coordinate.

So, it can be observed that:

$x_1=3, y_1=1.5\\x_2=5, y_2=2.5$

Change in x coordinate = $x_2-x_1=5-3 = 2$

i.e. total time taken is 2 hours.

Change in y coordinate = $y_2-y_1=2.5-1.5 = 1$

i.e. total land mowed taken is 1 acre.

In other words, it takes 2 hours for Aaron to mow 1 acre of land.

So, "option 1) It takes Aaron about 1 hour to mow 2 acres." is incorrect.

Rate of mowing lawn is the land mowed by Aaron in 1 hour.

Land mowed in 2 hours = 1 acre

Land mowed in 1 hours = $\frac{1}{2}$ acre i.e. 0.5 acre

Also, slope of a line is given as:

$m = \dfrac{y_2-y_1}{x_2-x_1}$

Here $y_2 - y_1 = 1$

$x_2 - x_1 = 2$

As per formula:

$m = \dfrac{1}{2} = 0.5$

So, option 2) Aaron’s rate for mowing lawns is 0.5 acres per hour.

6 0

4 years ago

Read 2 more answers

100 Points + Brainliest!!!

faltersainse [42]

Y=4x+2 on (0,3) so start at the point (0,3) then go up 2 and there is your answer!

3 0

4 years ago

Read 2 more answers

1. Which ordered pair is a solution of the linear equation shown in the graph above? (1 point)

IgorLugansk [536]

1) can't answer w/o a graph

2) just plug each one in the the equation (remember that a point is (x,y)) so you plug (-5) in for y and (-1) in for x

(-5)=(-1)–4

-5=-5 ✓

(-1,-5) is the answer

5 0

3 years ago