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zysi [14]
3 years ago
9

1 1/4 divided by 1 2/5

Mathematics
1 answer:
Degger [83]3 years ago
7 0

Answer:

25/28

Step-by-step explanation:

1 1/4=5/4

1 2/5=7/5

------------

(5/4)/(7/5)

(5/4)(5/7)

25/28

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A recent trend in advertising is viral marketing. The goal is to convince viewers to share an amusing advertisement by e-mail or
77julia77 [94]
I'm not sure what you are looking for but I'll answer this question based on what I think is needed.

Given:
Day 1: 130 
Day 2: 130 x 4 = 520
Day 3: 520 x 4 = 2,080

The exponential equation of this problem is:
V(n) = 130(4)^n

Where n is the number of days since the video was first shown.

Let us assume that 10 days have past. Total view would be:

V(n) = 130(4)^n

V(10) = 130(4)^10
V(10) = 130(1,048,576)
V(10) = 136,314,880

After 10 days, there are more than 136 Million views of the viral video.



5 0
2 years ago
Blaine had $68 in his checking account. He tried buying a coat, but he could not make the purchase because the money in his acco
sineoko [7]

Answer:

89

Step-by-step explanation:

68 plus 21 is 89.

3 0
3 years ago
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Which equation shows the quadratic formula used correctly to solve 7x2 = 9 + x for x?
abruzzese [7]
The equation should be 7x^2 -x-9=0
4 0
3 years ago
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Hope bought a jump rope for 3.96 and paid with a 5 dollar bill. How much change did she get back?
erastovalidia [21]

Answer:

1.04 hope this helps

Step-by-step explanation:

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7 0
2 years ago
What is the quadratic function f(x)=x^2+6x-2 In vertex form?
Yuliya22 [10]

Answer: Option D

f(x)=(x+3)^2 -k

Step-by-step explanation:

For a quadratic function of the form

ax ^ 2 + bx + c

The x coordinate of the vertice is:

x =-\frac{b}{2a}

In this case the function is:

f(x)=x^2+6x-2\\\\

So

a=1\\b=6\\c=-2

The x coordinate of the vertice is:

x=-\frac{6}{2*1}\\\\x=-3

The y coordinate of the vertice is:

f(-3) = (-3)^2 +6(-3) -2\\\\f(-3)=-11

The vertice is: (-3, -11)

The form e vertice for a quadratic equation is:

f(x)=(x-h)^2 +k

Where

the x coordinate of the vertice is h and the y coordinate of the vertice is k.

Then h=-3 and k =-11

Finally the equation f(x)=x^2+6x-2\\\\ in vertex form is:

f(x)=(x+3)^2 -k

6 0
3 years ago
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