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3 years ago

A square dinner napkin 8 inches on each side is folded along it's diagonal.find the area of the folded napkin

1 answer:

7 0

Since it is square and folded along it's diagonal in half, it would be half of 8*8 (since the area of a square is the side length squared). 8*8=64 64/2=32
The area of the folded napkin is 32.

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If x2 mx m is a perfect-square trinomial, which equation must be true? x2 mx m = (x – 1)2 x2 mx m = (x 1)2 x2 mx m = (x 2)2 x2 m

Leno4ka [110]

An expression has numbers, variables, and mathematical operations. The equation that must be true so that x²+mx+m is a perfect square trinomial is x²+mx+m=(x+2)².

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

A perfect square trinomial is in the form (a+b)²=a²+b²+2ab. If we compare the perfect square trinomial x²+mx+m, we will get that the value of m should be such that it satisfies the equation $m^2+2m$ . Since there is only one value that can satisfy this equation that is 2.

Therefore, the equation that must be true so that x²+mx+m is a perfect square trinomial is x²+mx+m=(x+2)².

Learn more about Expression:

brainly.com/question/13947055

6 0

3 years ago

Please answer asap the problem is attached

Aleksandr-060686 [28]

1.) x= (0,4) y=(0,2)
2.x=(0,-1) y=(0,4)
3. x=(0,-3) y=(0,3)

6 0

3 years ago

Help me ASAP for this question? Which group of numbers is in order from smallest to largest?

tensa zangetsu [6.8K]

Answer:

the second one

Step-by-step explanation:

when turning a percentage into a fraction put it over 100. I then turned that into a decimal which was 0.35. 2/5 is 0.4 which is also equal to 0.40

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3 years ago

The bakers at Healthy Bakery can make 270 bagels in 5 hours. How many bagels can they bake in 18 hours?

alekssr [168]

972 bagels the third one

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4 years ago

Identifying and Graphing Sequences: lesson 4-1

goldfiish [28.3K]

Answer:

1) Domain: { 1,2,3,4,5,6}

Range: {12,24,36,48,60,72}

2) First four terms are: 2,5,8,11

3) First four terms are: 8,13,20,29

4) First four terms are: 0,0,2,6

5) First four terms are: 0,1,1.41,1.73

Step-by-step explanation:

n 1 2 3 4 5 6

f(n) 12 24 36 48 60 72

Domain: { 1,2,3,4,5,6}

Range: {12,24,36,48,60,72}

Write first four terms of each sequence

2) f(n)=3n-1

Put n = 1, 3(1)-1 = 3-1 = 2

Put n = 2, 3(2)-1 = 6-1 = 5

Put n = 3, 3(3)-1 = 9-1 = 8

Put n = 4, 3(4)-1 = 12-1 = 11

So, First four terms are: 2,5,8,11

3) f(n)=n^2+2n+5

Put n = 1, (1)^2+2(1)+5= 1+2+5 = 8

Put n = 2, (2)^2+2(2)+5 = 4+4+5= 13

Put n = 3, (3)^2+2(3)+5 = 9+6+5 = 20

Put n = 4, (4)^2+2(4)+5 = 16+8+5 = 29

So, First four terms are: 8,13,20,29

4) f(n)=(n-1)(n-2)

Put n = 1, (1-1)(1-2) = 0(-1) = 0

Put n = 2, (2-1)(2-2) = 1(0) = 0

Put n = 3, (3-1)(3-2) = 2(1) = 2

Put n = 4, (4-1)(4-2) = 3(2) = 6

So, First four terms are: 0,0,2,6

5) f(n) = $\sqrt{n-1}$

Put n=1 $\sqrt{1-1}=\sqrt{0}=0$

Put n=2 $\sqrt{2-1}=\sqrt{1}=1$

Put n=3 $\sqrt{3-1}=\sqrt{2}= 1.41$

Put n=4 $\sqrt{4-1}=\sqrt{3}=1.73$

So, First four terms are: 0,1,1.41,1.73

8 0

3 years ago