MATHEMATICS MIDDLE SCHOOL

What is the product? (5r − 4)(r2 − 6r + 4)A. 5r3 − 34r2 + 44r − 16
B. 5r3 − 4r2 + 14r − 16
C. 5r3 − 6r − 16
D. 5r3 + 10r − 16

Answers

Answer 1
Answer:

The product is: 5r³ -34r²  + 44r -16

What is expression?

An expression is a combination of numbers, variables, functions (such as addition, subtraction, multiplication or division etc.)

Given:

(5r − 4)(r² − 6r + 4)

= 5r*r² - 5r *6r + 5r * 4 - 4r²+ 24r -16

= 5r³ - 30r² + 20r -4r² + 24r - 16

=  5r³ -34r²  + 44r -16

Learn more about expression here:

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Answer 2
Answer:

Answer:

a

Step-by-step explanation:

thank me later

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What is the factor form of x^2-9x+14

Answers

x^2-9x+14 =x^2-2x-7x+14=x(x-2)-7(x-2)=(x-7)(x-2)

Answer:

(x - 7)(x - 2)

Step-by-step explanation:

Consider the factors of the constant term (+ 14) which sum to give the coefficient of the x- term (- 9)

The factors are - 7 and - 2, since

- 7 × - 2 = + 14 and - 7 - 2 = - 9, hence

x² - 9x + 14 = (x - 7)(x - 2) ← in factored form

Help please pleaseeee​

Answers

Answer:

6.08 kg bag unit price: $1.72

7.48 kg bag unit price: $1.86

6.08 kg bag is the better buy

Step-by-step explanation:

To find unit price, divide the price by the amount. 10.47 divided 6.08 equals 1.7203947. Round it to the nearest cent to get 1.72. So, the unit price for the first bag is $1.72. Next divide 13.88/7.48 to get 1.85561. Round it to the nearest cent to get 1.86. So, the unit price for the second bag is $1.86 per kg. The better buy is the cheaper one, so the 6.08 kg bag is a better deal. Hope this helped!

A veterinary office is treating dogs and cats. There are 15 more cats than dogs. Altogether, there are 45 animals.Let c represent the number of cats and d represent the number of dogs. The following system of equations represents the situation:

d+c=45

c=d+15

How many cats and dogs are in the clinic?

ignore last question, it was worded wrong. please help!

Answers

30 cats and 15 dogs.
There's 30 cats and 15 dogs

What is the least perimeter of a rectangle with the area of 32 square feet

Answers

You get the least perimeter of a rectangle when you draw
a square around the area.

If the area is 32 square feet, then each side of the square
is  √32 feet.   That's  4√2 feet.

So the perimeter (all around all 4 sides) is  16√2 = about  22.6 feet.
_________________________

There IS a way to get a shorter perimeter around the same area,
but not with a rectangle, or any number of straight sides.

If you do it with a CIRCLE, then the radius of the circle
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You like a diamond ring. The diamond is cut into a cone shape. The diameter of the diamond is 4 millimeters. The slant height is 2.5 millimeters. Find the surface area of the diamond.

Answers

The surface area would be about 68.40 

Answer:

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Step-by-step explanation:

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How does the function f(x) = a ln x compare to the parent function when |a| > 1?

Answers

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Step-by-step explanation:

Answer:

The graph is stretched

Step-by-step explanation:

right on edge 2023
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