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maw [93]
3 years ago
12

C.6 12. Expand & simplify: (x - 5)(x-4)

Mathematics
1 answer:
Butoxors [25]3 years ago
6 0

Answer:

Step-by-step explanation:

(x - 5)(x-4)

= x(x) - 4(x) - 5(x) - 4(-5)

= x^2 - 4x - 5x + 20

= x^2 - 9x + 20

You might be interested in
Adam baked a cake. John ate of a cake. Susan ate of what was left. How much of the original 6 1 5 1 cake was left?
ikadub [295]

Answer:

4/6 of the cake is left

Steps down below

Step-by-step explanation:

How i got the answer:

As we know that the question is asking how much, so and we also know that Susan ate 1/5 of 5/6 so the and for the equation will be 1/6. So 5/6 - 1/6 will give you the correct answer for this question.

Steps:

1: Subtract the numbers so 5/6 subtract 1/6 =4/6

Answer: 4/6

<em><u>Hope this helps.</u></em>

5 0
3 years ago
The surface area for a rectangular prism with a square base is SA=2s2+4sh. What is the surface area if s=3 and h=5?
Zigmanuir [339]

Answer:

The surface area is 78 unit square.

Step-by-step explanation:

Given : The surface area for a rectangular prism with a square base is SA=2s^2+4sh.

To find : What is the surface area if s=3 and h=5?

Solution :

The surface area for a rectangular prism with a square base is SA=2s^2+4sh

Substitute, s=3 and h=5

SA=2(3)^2+4(3)(5)

SA=2\times 9+4\times 15

SA=18+60

SA=78

Therefore, The surface area is 78 unit square.

7 0
3 years ago
A metric ruler can be used to measure what type of object?? Please help me!!
Xelga [282]

Answer:

A pencil

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Triangle ABC is an equilateral triangle. How many lines of symmetry does triangle ABC have?
xxTIMURxx [149]
1 because it can't be reflected over more than one line to be the same
4 0
3 years ago
What is the surface area of the outside of a cube shaped closed-top water tank whose edge length is 7.2 ft? Drag and drop the co
Lera25 [3.4K]
S.A=s^2×6
S.A=7.2^2×6
S.A=311.04 ft^2 is your final answer. Hope it help!
7 0
3 years ago
Read 2 more answers
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