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3 years ago

Find the slope of the line that contains the points (-5, 3) and (-1,-5).

Mathematics

1 answer:

Nutka1998 [239]2 years ago

8 0

Look at the attached picture⤴

Hope this will help u....

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Find the inverse of f(x)=−3/2x+7/2.

timama [110]

Answer: $f^{-1}(x)=-\frac{2}{3}x+\frac{7}{3}$

Step-by-step explanation:

To find the inverse of a function, you want to replace x with y and y with x. Then, you solve for y.

$y=-\frac{3}{2}x+\frac{7}{2}$ [replace y with x and x with y]

$x=-\frac{3}{2}y+\frac{7}{2}$ [subtract both sides by 7/2]

$x-\frac{7}{2} =-\frac{3}{2}y$ [multiply both sides by -2/3]

$-\frac{2}{3} (x-\frac{7}{2} )=y$ [distribute]

$y=-\frac{2}{3}x+\frac{7}{3}$

Now, we have our inverse function.

$f^-^1(x)=-\frac{2}{3}x+\frac{7}{3}$

7 0

3 years ago

Which graph represents (x,y)-pairs that make the equations y= 0.5x true?

tatyana61 [14]

Answer:

Option C

Step-by-step explanation:

To find the corresponding graph substitute values of $x$ .

The graph is: $y = \frac{1}{2} x$ . Substitute $x = 2$ .

We get: $y = \frac{1}{2} (4) = 2$ . In the graphs only in Option C, $y = 2$ when $x = 4$ .

3 0

3 years ago

What is the constant in the mathematical expression? 3/4ab+7.5

melamori03 [73]

Answer:

Therefore, 7.5 is the constant in mathematical expression.

Step-by-step explanation:

Given the mathematical expression:

$\frac{3}{4}ab+7.5Explanation[tex]\frac{3}{4}$ is cofficient of ab in this expression.

ab is variable( whose values can be changed).

7.5 is a constant term ( whose value can't be changed).

Therefore, 7.5 is the constant in mathematical expression.

5 0

2 years ago

Malcolm buys a 5/6 pound of black beans and a 3/4 pound bag of pinto beans. How many pounds of beans does Malcolm buy in all?

amid [387]

Answer:

19/12 or 1 7/12 lbs

5/6 + 3/4

Find a common denominator, aka least common multiple

So, 5/6 becomes 20/24 and 3/4 becomes 18/24

20/24 + 18/24 = 38/24 which simplifies to 19/12 or 1 7/12

4 0

2 years ago

Read 2 more answers

ella [17]

Yes, if you solve the problem in the parenthesis, then you add the two solutions together and you got ur final solution

5 0

3 years ago

Find the slope of the line that contains the points (-5, 3) and (-1,-5).​

Find the slope of the line that contains the points (-5, 3) and (-1,-5).