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Serggg [28]
3 years ago
14

Its about differention ​

Mathematics
1 answer:
nika2105 [10]3 years ago
6 0
Had -9-x^2
———
x^2

adh (-9-x^2)
——————-
x^2

-9adh-adhx^2
———————
x^2

9adh+adhx^2
- ———————
x^2

Hope this helps
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a certain shark has triangular teeth with a height that is 1 centimeter shorter than the base. if the area of one tooth is 1 squ
Advocard [28]

The Shark's teeth has a base of 2 cm and height of 1 cm.

Step-by-step explanation:

Step 1 :

Given,

the area of the shark's triangular teeth = 1 sq cm

Let b be the base and h be the height of the shark's triangular teeth.

We have the teeth's height is 1 cm short than the base

So  h = b - 1

Step 2 :

Area of Triangle  = (\frac{1}{2}) × b × h = 1

Substituting h = b -1

(\frac{1}{2}) × b × (b-1) = 1

=> b² - b = 2 = > b²-b-2 = 1

Solving for b we have

(b-2)(b+1) = 0

b = 2 or b = -1

Since b is the base , we take the positive value as length/distance cannot be negative.

So b = 2

h = b - 1 = 2 - 1 = 1

h = 1

Step 3 :

Answer :

The Shark's teeth has a base of 2 cm and height of 1 cm.

6 0
3 years ago
What is 2,799.89 x 4,984.76 <br> !please answer i want to know!
ozzi

Answer:

13,956,779.6764

7 0
2 years ago
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Find the Value of x so that the ratios are equivalent.
guajiro [1.7K]

x=45

9 x

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x=9×60 divided by 12

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7 0
3 years ago
Divide using synthetic division: (2x^4+2x^3+-12x^2+x+6)/(x+3)​
kap26 [50]

Synthetic division yields

..... ||   2    2   -12    1      6  

-3  ||        -6    12    0    -3

= = = = = = = = = = = = = =

..... ||   2   -4     0    1      3

which translates to

\dfrac{2x^4+2x^3-12x^2+x+6}{x+3}=2x^3-4x^2+1+\dfrac3{x+3}

5 0
3 years ago
In a triangle ABC, A= 29°, B=36° and b=15.8cm. Find a, using sine rule.​
Nastasia [14]
A= (b sin A)/ sinB

a= (15.8 sin29)/ sin36

a= 13.03 cm
4 0
3 years ago
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