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maw [93]
3 years ago
14

Find the product. (7−x)(x−1)=

Mathematics
2 answers:
Alexxx [7]3 years ago
5 0

Answer:

-x^2 + 8x - 7

Step-by-step explanation:

(7 - x)(x - 1)

(7 * x) + (7 * -1) + (-x * x) + (-x * -1)

7x - 7 - x^2 + x

8x - 7 - x^2

-x^2 + 8x - 7

Best of Luck!

vaieri [72.5K]3 years ago
3 0

Answer:

-x² + 8x - 7

Step-by-step explanation:

Step 1: Write expression

(7 - x)(x - 1)

Step 2: FOIL (First Outside Inside Last)

7x - 7 - x² + x

Step 3: Combine like terms

-x² + 8x - 7

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I need help pls and thank you
Sholpan [36]
The correct answer would be....

The value of x can be 5 and x.

The value of y can be -2 and y.
3 0
3 years ago
Hari's weekly allowance varies depending on the number of chores he does. He received $18 in allowance the week he did 10 chores
kifflom [539]

Answer:

y=1/2x+13

Step-by-step explanation:

The slope-intercept form is: y=mx+b, where m is the slope and b is the y-intercept of the line. First, you have to calculate the slope using the following formula:

m=y2-y1/x2-x1

You have two points:  (6, 16), (10,18) as the chores are the independent variable which is x, and the money is the dependent variable which is y.

Now, you can replace the values in the formula:

y2=18

y1=16

x2=10

x1=6

m=(18-16)/(10-6)

m=2/4

m=1/2

Now, you use the point-slope formula:

y-y1=m(x-x1)

You have to replace the value of the slope and one point and solve for y:

y-16=1/2(x-6)

y-16=1/2x-3

y=1/2x-3+16

y=1/2x+13

According to this, the answer is that the equation for his allowance in slope-intercept form is: y=1/2x+13.

7 0
3 years ago
Convert 5.45787878... to a fraction. Simplify.
kondaur [170]
5.45787878 = 545787878/100000000

divide both numerator and denominator by 2 or any other number

545787878 ÷ 2 = 272893939

100000000 ÷ 2 = 50000000

272893939/50000000 is your answer


3 0
3 years ago
Name the polygon right whether it is a regular or not regular
Troyanec [42]
The polygon is regular
3 0
4 years ago
Read 2 more answers
If AB = BC, AB = 4x -2, and BC = 3x + 3, find the<br> length of AB.
Valentin [98]
The length of AB is 18
6 0
3 years ago
Read 2 more answers
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