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vivado [14]
4 years ago
6

Girl talk????? anything...

Mathematics
2 answers:
omeli [17]4 years ago
5 0
What do you mean by girl talk?
mojhsa [17]4 years ago
4 0

Answer:

IT depends

Step-by-step explanation:

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Simplify the product 3 sqrt 7 (1- sqrt 7)
Dvinal [7]
3\sqrt7(1-\sqrt7)=3\sqrt7\cdot1-3\sqrt7\cdot\sqrt7=3\sqrt7-3\cdot7=3\sqrt7-21

Used:\ \sqrt{a}\cdot\sqrt{a}=a
6 0
3 years ago
S t are positive integers
Sindrei [870]

Given:

The expanded form of (x+s)(x-t) is x^2+Kx-40.

Where, s, t, K are positive integers.

To find:

The smallest possible value of K.

Solution:

The expanded form of (x+s)(x-t) is x^2+Kx-40. It means,

(x+s)(x-t)=x^2+Kx-40

x^2-tx+sx-st=x^2+Kx-40

x^2+(s-t)x-st=x^2+Kx-40

On comping both sides, we get

K=s-t              ...(i)

K is a positive integer if s>t.

And

st=40

The factor pairs of 40 are (1,40), (2,20), (4,10), (5,8), (8,5), (10,4), (20,2) and (40,1).

Since s>t, therefore the possible values for (s,t) are (8,5), (10,4), (20,2) and (40,1).

Using (i), find the value of K for each factor pair.

K=8-5=3  

K=10-4=6      

K=20-2=18          

K=40-1=39          

Therefore, the smallest possible value of K is 3.

3 0
3 years ago
I need the answer to a and b
erica [24]

Answer:

a. x = 7

b. x = 36/5

Step-by-step explanation:

<u>Points to remember</u>

The ratio of of corresponding sides of similar triangles are equal.

<u>a). To find the value of x</u>

From the figure 1 we get two similar triangles, ΔABC and ADE

We can write,

AB/AD = AC/AE

3/6 = x/(x + 7)

3(x + 7) = 6 * x

3x + 21 = 6x

6x - 3x = 21

3x = 21

x = 21/3 = 7

<u>b). To find the value of x</u>

From the figure b we get

ΔABC ~  ΔEDF

AB/DE = BC/DF

4/5 = x/9

x = (4 * 9)/5 = 36/5

7 0
3 years ago
8. Your family is moving and is gathering boxes for the move. Two of the
m_a_m_a [10]

Answer:

see below

Step-by-step explanation:

Volume = Length x width x height

a) Box 1 V = 3x · x · 2x = 6x³

b) Box 2 V = 2x · 4x · x = 8x³

c) Add the volumes 6x³ + 8x³= 14x³

d) plug 6 in for x

14(6³) = 3,024 units

3 0
4 years ago
The Jonesboro Education Department decided to celebrate opening a new school by baking one of the biggest chocolate chip cookies
Aleks [24]

74.6786 m² is the answer.

Step-by-step explanation:

<u>Step 1</u> :

we know that the diameter (D) of the cookie = 32 ft

Converting dimensions from feet (ft) to meter (m)

1 ft =  0.3048 m

32 ft = 32 × 0.3048

        =  9.7536 m

<u>Step 2</u> :

To find the surface area of the cookie we have the formula,

<u> Area (A) =  π . r²</u>

Diameter (D) = 32 ft

∴ d = 2r

  d/2 = r (radius)

  32 ÷ 2 = r

<u>  r = 16</u>      16 feet = 4.8768 m

π . r²  = 3.14 × (4.8768)² = 3.14 × 23.783

                                          =  74.6786 m²

<u></u>

7 0
4 years ago
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