Can you tell me what 4% of ? is 56 days

Answers

Answer 1
Answer: The answer is
56/0.04=1400

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I dont understand how to do this
its factoring quadratics

Answers

olume = length * height * width  

Therefore 280 = 4 * (n + 2) * (n + 5)  

Divide both sides of the equation by 4  

70 = (n + 2)(n +5)  

Expand  

70 = n^2 + 5n + 2n + 10  

Subtract 70 from both sides and simplify  

0 = n^2 + 7n -60  

Factor  

(n +12)(n -5) = 0  

Therefore n = -12 or + 5  

As n cannot be less than -2 as you cannot have a negative dimension, it means that n = 5 and the sides are 4, (5 + 2), (5 + 5) = 4, 7 and 10 inches respectively  

Volume is therefore  

4*7*10 = 280 = correct  

Hope this helped!

Which expression is equivalent to -1?A) -
x + y
x - y
B) -
x - y
-x + y
C) -
x - y
-x - y
D) -
x + y
-x + y

Answers

Hello,
Answer B

If x≠y then
(x-y)/(-x+y)=(x-y)/(-(x-y))=-1


He function f(x) = x2 + 10x – 3 written in vertex form is f(x) = (x + 5)2 – 28. What are the coordinates of the vertex?A.(–5, –28)
B.(–5, 28)
C.(5, –28)
D.(5, 28)

Answers

I believe it would be A, (-5, -28). 

What are the roots of the polynomial f(x)=x^2+9x-70?

Answers

Roots of the polynomial are values of x when f(x)=0,so
to find the roots of the polynomial we need to solve the equation
x²+9x-70=0    , a=1, b=9,c=-70     

x= \frac{-b+/- \sqrt{ b^(2)-4ac } }{2a}

x= (-9+/- √(81+4*1*70) )/(2) = (-9+/- √(361) )/(2)= (-9+/-19)/(2)  x_(1)=5, x_(2)=-14

what is the solution to the system of equations? y =1/3 x – 10 2x y = 4 (–8, 6) (–6, 16) (6, –8) (16, –6)

Answers

Answer:

Option C is correct.

Solution to the given system of equation is (6 , -8)

Step-by-step explanation:

Given the system of equation:

y= (1)/(3) x-10             ......[1]

2x+y =4                           .....[2]

Substitute the equation [1] in [2] we get;

2x +(1)/(3)x -10 =4

Combine like terms;

(7)/(3)x -10 =4

Add 10 to both side of an equation:

(7)/(3)x -10 +10=4+10

Simplify:

(7)/(3)x =14

Divide both sides by  (3)/(7) we get;

(3)/(7) * (7)/(3)x = 14 * (3)/(7)

Simplify:

x = 6

Substitute the value of x =6 in equation [1] we get;

y= (1)/(3)(6)-10

or

y= 2-10  

Simplify:

y = - 8

therefore, the solution to the given system of equation is; (6 , -8)

You can also see in the graph as shown below:

y = 1/3 x - 10
2x + y = 4
2x + 1/3 x - 10 = 4
7/3 x = 14
x = 6
y = 1/3(6) - 10 = 2 - 10 = -8
Therefore solution is (6, -8)

A. Find x. The figure is not drawn to scale.b. Is the triangle equilateral, isosceles, or scalene? Explain

Answers

Based on the given figure above, we can conclude that the triangle is an isosceles triangle. By definition, an isosceles triangle is a triangle that has at least two equal sides. Since this is an isosceles triangle, 8x-10 =6x. Now we can solve for x. So,
8x-10 =6x
8x-6x = 10
2x =10
x= 5.
Therefore, the value of x in the figure is 5. Hope this is the answer that you are looking for.