What is the slope of this line?

Answers

Answer 1

Answer: The slope of this line is -1 because it goes down one and to the right one

Answer 2

Answer: Slope = (y2-y1)/(x2-x1)
Well use the two points: (-2,0) , (0,-2)
Slope = (-2 - 0) / (0 - -2)
Slope = (-2) / (2)
Slope = -1

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Order the fractions from least to greatest, 1/6 2/5 3/5 3/7 PLEASE HELP

Answers

The higher the denominator, the smaller the parts. For example, the following five fractions are in order from least to greatest:
$(1)/(5) (1)/(4) (1)/(3) (1)/(2) (1)/(1)$

However, when ordering $(1)/(6) and (3)/(7)$ , you may notice that the second of those two has a higher numerator. In this particular case, that means that $(1)/(6)$ is the smallest of the fractions given.

Since there are only two different denominators left now, it is easiest to make the demoninators the same.
2 X 7 = 14
5 X 7 = 35
3 X 7 = 21

3 X 5 = 15
7 X 5 = 35

The remaining fractions are $(14)/(35) (21)/(35) (15)/(35)$
Those three fractions are actually $(2)/(5) (3)/(5) (3)/(7)$

Therefore, in order of smallest to largest, the fractions are $(1)/(6) (2)/(5) (3)/(7) (3)/(5)$

6r + r = 7 what is the answer

Answers

6r+r=7 6-7=1 6+1=7 R=1 please answer my recent question

tariq said you can write an equation by setting an expression equal to itself Would an equation like this be true.explain.

Answers

Answer: Yes it is true. We can write an equation by setting an expression equal to itself.

Step-by-step explanation:

Let we take an expression say 2x.

Since we know that any expression is equal to itself, so we can write it as 2x=2x, which does not give any solution or we can say this equation has no solution but we can not say it is false because they are actually equal.

Therefore, we can write an equation by setting an expression equal to itself. It would be a true equattion.

Yes it would.
An equation says two things are equal.
So if you have an expression x + 1 and you set it equal to x + 1
you have x + 1 = x + 1, which is a true and valid equation, not saying it's any useful but it is an equation.

In a finsh tank, 75% is female finshes. The rest are male. Female fishes are also 5 more than twiceof the male fishes. How many female and male fishes in the tank?
(Set up the rational equation, and solve for x!) PLEASE HELP ME

Answers

Answer:

5 Male fishes, and 15 Female fishes

Step-by-step explanation:

We have two unknowns: The number of lady fishes (let's represent this number with "L"), and the number of male fishes (let's name this unknown number "M"). So now we need to create two equations to help us solve for these unknowns.

Use the actual sentences they give you to create the equations:

a) "75% of the total number of fishes are female"

Notice that the total number of fishes is the addition of the number of ladies plus the number of males; that is the total is "L+M". According to the sentence, 75% (which in math terms is written as "0.75") of this total number equals the number of lady fishes:

$0.75 \,*\,(L+M)=L$

now we work a little the algebra indicated in this equation to simplify it a bit:

$0.75 \,*\,(L+M)=L\n0.75\,L+0.75\,M=L\n0.75\,M=L-0.75\,L\n0.75\,M=0.25\,L\nL=( 0.75\,M)/(0.25)\nL=3\,M$

which tells us that the number of lady fishes is 3 times thenumber of male fishes.

b) Now the second equation based on the words:

"Lady fishes are 5 more than twice the male fishes"

"Twice the male fishes" can be written as: "2M"

so now we write this sentence as:

$L=2\,M+5$

Now we combine the two equations by using in the second one the replacement for "L" in terms of "M" that we found in the first equation (that is: "L = 3 M") , so we obtain an equation with just one unknown (M) and we can solve for it:

$L=2\,M+5\n3\,M=2\,M+5\n3\,M-2\,M=5\nM=5$

Which tells us that the number of male fishes in the tank is "5".

We can use now our first simplified equation to find the number of lady fishes:

$L=3\,M\nL=3\,(5)\nL=15$

So, there are 15 female fishes in the tank.

If the length of a cube is 2x2y units. What is the volume of the cube?

Answers

Step-by-step explanation: Volume = length x width x height.

You only need to know one side to figure out the volume of a cube.

The units of measure for volume are cubic units.

Volume is in three-dimensions.

You can multiply the sides in any order.

Which side you call length, width, or height doesn't matter.

A climber is on a hike.after 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?

Answers

Answer:

75 feet per hour is the rate of change in altitude.

Step-by-step explanation:

A climber is on a hike. After 2 hours he is at an altitude of 400 feet.

After 6 hours, he is at an altitude of 400 feet.

We have to determine the average rate of change in altitude.

We know rate of change in altitude = $\frac{\text{(Change in altitude)}}{\text{Change in time}}$

= $(700-400)/(6-2)$

= $(300)/(4)$

= 75 feet per hour

Therefore, 75 feet per hour is the rate of change in altitude.

Average rate of change =
(change in height during some time) / (length of time for the change).

Change in height = (700 feet - 400 feet) = 300 feet

Time for the change = (6 hours - 2 hours) = 4 hours

Average rate of change = (300 feet) / (4 hours) = 75 feet per hour

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