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sergejj [24]
3 years ago
8

Which is cheaper for a $56 item that cost $9.25 to ship. A 15% coupon off the cost of the item or free shipping

Mathematics
1 answer:
poizon [28]3 years ago
8 0
15% coupon. off the cost of the item
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F(x) = 7 -<br> What is the inverse
slava [35]

Answer:

Add x x and 0 0 . Since g(f(x))=x g ( f ( x ) ) = x , f−1(x)=x+7 f - 1 ( x ) = x + 7 is the inverse of f(x)=x−7 f ( x ) = x - 7

Step-by-step explanation:

8 0
2 years ago
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What is 6x-5&gt;8x+7 but a line under the greater than sign
Ad libitum [116K]
X<-6 with the line under it is the answer, you would flip the sign when u divide

7 0
3 years ago
Choose the answer that shows what to do in the process step, and what the solution (answer is).
iren [92.7K]

nime halibut na sijui pleade

7 0
2 years ago
Find the equation for the plane through the points Po(3,-2,5), Qo(-3,-1,-5) and Ro(0,-4,4). The equation of the plane is:_______
ratelena [41]

Answer:

21x-24y-15z=36

Step-by-step explanation:

The equation of a plane is given a s

ax+by+cz=d

where a,b,c and d are  gotten from the vector product of the vector define by subtracting  one of the given points from the other two

Hence we define the vectors as follow  

<3,-2,5> - <-3,-1,-5> = <6,-1,10>

also <0,-4,4> - <-3,-1,-5>=<3,-3,9>

Next we need to carry out the cross product of the newly formed vector

<6,-1,10> X <3,-3,9> =<21,-24,-15>

The newly formed vector is in orthogonal to both vector and in  direction to the normal vector to the plane.

Since ax+by+cz=d  is the normal vector, we can conclude that

a=21, b=-24 c=-15

Hence we have

21x-24y-15z=d

if we plug in the point <-3,-1,-5> to solve for "d" we arrive at

21(-3)-24(-1)-15(-5)=36

Hence the final equation is

21x-24y-15z=36

3 0
3 years ago
Find the measure of ∠C to the nearest degree.
Alisiya [41]
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but from the angle C, the opposite side, the one facing it off, is the side
AB, and we dunno what the side AB is

however, we know the hypotenuse is 8, and the adjacent side is 7,

and is right-triangle, thus, let us use the pythagorean theorem,

\bf c^2=a^2+b^2\implies \sqrt{c^2-a^2}=b\qquad &#10;\begin{cases}&#10;c=hypotenuse\\&#10;a=adjacent\\&#10;b=opposite&#10;\end{cases}&#10;\\\\&#10;thus&#10;\\\\&#10;\sqrt{8^2-7^2}=b=AB

now, that we know what the opposite side is, that is AB, then
we can find the sine of angle C \bf sin(\theta)=\cfrac{opposite}{hypotenuse}\implies sin(C)=\cfrac{\overline{AB}}{\overline{BC}}
3 0
3 years ago
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