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ddd [48]
2 years ago
5

(HELP 10 POINTS ) Find (x+3)(x2−2x−8). Write your answer in standard form.

Mathematics
1 answer:
Nina [5.8K]2 years ago
5 0

Answer:

x^{3}+x^{2} -14x-24

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Suppose A and B represent two different schools populations where A>B abd A and B must be greater than 0. Which of the follow
igor_vitrenko [27]
Hmm, one way we can do this is by assigning numbers to each

A=4 and B=3
A>B because 4>3

so

A. 2(A+B)=2(4+3)=2(7)=14
B. A+B^2=4+3^2=4+9=13
C. A^2+B^2=4^2+3^2=16+9=25
D. A^2-B^2=4^2-3^2=16-9=7

the largest is 25 so C
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3 years ago
Using both the rotation matrices earlier in this lesson and your matrix calculator, find each determinant.
Trava [24]

Answer:

both are one

8 0
2 years ago
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What is the domain of the function<br> f(x) = 5x+2?<br> XS-6<br> 0 x&gt;6<br> 0x&lt;6<br> O x&gt;-6
Sholpan [36]
I think your equation is wrong. the domain of f(x)= 5x+2 is ALL REAL NUMBERS. That means it’s negative infinity to positive infinity.
3 0
3 years ago
The sum of two numbers is 31.The product of the two numbers is 150. What are the two numbers?
Nikolay [14]
The two numbers I will call x and y.
x + y = 31
x * y = 150

You then solve for one variable in either equation and substitute it into the other equation.

x + y = 31
x = 31 - y

Then you plug it in:
x * y = 150
(31 - y) * y = 150
-y² + 31y = 150
y² - 31y + 150 = 0            Then factor:
(y - 6)(y - 25) = 0
y - 6 = 0        y - 25 = 0
y = 6             y = 25

When you plug y into the original equations, it comes out that the two numbers are 6 and 25. You can check your work because 6+25 = 31 and 6*25 = 150. Hope this helps! :)
5 0
3 years ago
Brainliest to the correct answer, but answer ASAP
klemol [59]

the answer is 153.86 ft squared

= the formula for the area of a circle is A=πr2

= area = pi x radius squared

= the radius is 7 feet, square that to get 49

= multiply 49 by pi to get the area: 153.86 square feet

153.86 ft squared

6 0
2 years ago
Read 2 more answers
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