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Temka [501]
3 years ago
12

if the difference in the side lengths of two squares is 10 and the sum of the side lengths is 18 what are the side lenghts

Mathematics
1 answer:
diamong [38]3 years ago
4 0
Wouldn't 2 squares make a rectangle and so you would add 10+10+18+18=56
56 is you answer.hope this helps
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Z^2 - x; use x = 1, and z = 3
elena55 [62]

Answer:

8

Step-by-step explanation:

3^2 = 9 - 1 = 8

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2 years ago
Martina read that approximately 10% of all people are left-handed. She wants to design a simulation to approximate the probabili
marta [7]

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20

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
3. if kx² + 2x + k = -kx have equal roots, find the values of k.<br>​
crimeas [40]

Answer:

k = - \frac{2}{3} , k = 2

Step-by-step explanation:

Using the discriminant Δ = b² - 4ac

The condition for equal roots is b² - 4ac = 0

Given

kx² + 2x + k = - kx ( add kx to both sides )

kx² + 2x + kx + k = 0 , that is

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with a = k, b = 2 + k and c = k , thus

(2 + k)² - 4k² = 0 ← expand and simplify left side

4 + 4k + k² - 4k² = 0

- 3k² + 4k + 4 = 0 ( multiply through by - 1 )

3k² - 4k - 4 = 0 ← in standard form

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Equate each factor to zero and solve for k

3k + 2 = 0 ⇒ 3k = - 2 ⇒ k = - \frac{2}{3}

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5 0
3 years ago
Pauline gets a 2% commission on her sales at her job. She sells $23,500 worth of products in May.
Illusion [34]
470 dollars . 2% Of 23,500
7 0
2 years ago
Need help ASAP !!!!!!
Slav-nsk [51]

Answer:

Therefore, Point M( 1 , -2 ) is the Mid point of segment ST.  

Step-by-step explanation:

Given:

Let,

point S( x₁ , y₁) ≡ ( -1 , 1)  

point T( x₂ , y₂) ≡ (3 , -5)

Point M( x , y ) is the Mid point of segment ST.  

To Find:

Point M( x , y )= ?

Solution:

As Point M( x , y ) is the Mid point of segment ST.

So we have Mid Point Formula as

Mid\ pointM(x,y)=(\frac{x_{1}+x_{2} }{2}, \frac{y_{1}+y_{2} }{2})

On substituting the given values in above equation we get

M(x,y)=(\frac {-1+3}{2},\frac{-5+1}{2})\\\\M(x,y)=(\frac{2}{2},\frac{-4}{2}) \\\\M(x,y)=(1,-2)\ \textrm{which the required midpoint}

Therefore, Point M( 1 , -2 ) is the Mid point of segment ST.  

4 0
3 years ago
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