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UNO [17]
2 years ago
14

Cho hình hộp chữ nhật ABCD A B C D

Mathematics
1 answer:
JulijaS [17]2 years ago
6 0

Answer:

A B C D

A×B×C×D

3×3×3×6

162

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SOMEONE HELP ME PLEASE ILL GIVE BRAINLY
e-lub [12.9K]

Answer:

Step-by-step explanation:

In order to determine the information you're being asked for, you need to complete the square on that quadratic. The first step is to move the constant over to the other side of the equals sign:

x^2-2x=3

Here would be the step where, if the leading coefficient isn't a 1, you'd factor it out. But ours is a 1, so we're good there. Now take half the linear term (the term with the single x on it), square it, and add it to both sides. Our linear term is a -2.  Half of -2 is -1, and -1 squared is +1. We add +1 to both sides giving us this:

x^2-2x+1=3+1

Now we'll clean it up a bit. The right side becomes a 4, and the left side is written as its perfect square binomial, which is the whole reason we did this. That binomial is

(x-1)^2=4 (set equal to the 4 here). Now we'll move the 4 back over and set the whole thing back equal to y:

y=(x-1)^2-4

From this it's apparent what the vertex is: (1, -4),

the axis of symmetry is x = 1, and

the y-intercept is found by setting the x's equal to 0 in the original  equation and solving for y. So the y-intercept is (0, -3).

Your choice for the correct answer is the very last one there.

8 0
3 years ago
Find the greatest common factor of each set of numbers 12 54
max2010maxim [7]
I hope this helps you

4 0
3 years ago
2-x-3 combining like terms please
Olenka [21]

Answer:  -1x - 1

Step-by-step explanation:

2 -1x -3  

2-3 = -1

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4 0
3 years ago
Dominic goes jogging every morning. If m represents the number of miles he jogs each day, which expression represents the total
aleksklad [387]

Answer:

The expression which represents the total number of miles he jogs in a week is 7 m ⇒ A

Step-by-step explanation:

Let us solve the question

∵ Dominic goes jogging every morning

∵ m represents the number of miles he jogs each day

→ That means he jogs m miles every day

∵ There are 7 days in a week

→ That means he jogs m miles every day for 7 days

∵ m + m + m + m + m + m + m = 7 × m

∴ He jogs in 1 week 7 × m miles

∴ He jogs 7 m miles in a week

The expression which represents the total number of miles he jogs in a week is 7 m

6 0
3 years ago
Helppppp
BabaBlast [244]

Answer:

dolphin wing measuring 2.7 cm

Step-by-step explanation:

if you take the length of the cheese and multiply that by the area of the parking lot, you will notice a w in the equation and w is water in hieroglyphs so you go to the ocean and you see the wing

3 0
2 years ago
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