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2 years ago

Dana is attaching a shelf to a wall and needs the shelf to be parallel to the floor. How many degrees should the shelf be

Mathematics

1 answer:

tatuchka [14]2 years ago

8 0

<h3>Answer: 0 degrees (choice A)</h3>

Explanation:

By definition, the floor is assumed to be level and that means the floor is at a 0 degree angle. The shelf must also have this same angle relative to the floor so we have the shelf and floor as parallel planes. For more info, check out the converse of the corresponding angles theorem.

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Leokris [45]

Step-by-step explanation:

total surface area of a cube = side × 6

25=side since all the sides of a cube are equal

25×6=

150cm

3 0

3 years ago

What is the answer for<br>√x+5 +2=√x-7

belka [17]

Solution: x∈Ф

No solution

Step-by-step explanation:

$\sqrt{x} +5+2=\sqrt{x} -7$

$5+2=-7$

$7=-7$

$1=-1$

x∈Ф

3 0

3 years ago

If p dollars are charged for each pound of chocolate, then x = 500 − 5p pounds will be sold. it costs c(x) = 10 + 20x − x 2 /50

kotegsom [21]

I think the answer to this is 1.2 although I'm not sure

7 0

3 years ago

SUMAR

charle [14.2K]

Answer:

56 + 23 + (-5)

you want to expand the bracket first

23 + (-5)

23-5 = 18

56 + 18 = 74

a) 74

6 + 24 + (-2)

24 - 2= 22

6 + 22 = 28

b) 28

3 + 7 + (-42)

7 - 42 = -35

3 - 35 = -32

c)-32

( 8 + 1 ) + (-3)

+(-3) = -3

9 - 3 = 6

d)6

( 7 + 10 ) + ( 3 + 1 )

17 + 4 = 21

e)21

59 + 2+ (-6)

2+(-6) = 2-6 = -4

59-4

f)55

41 + ( -89)

41 - 89

= - 48

g)-48

( - 13) + 33

-13+33

= 20

h) 20

8 0

3 years ago

If f(x)=x³+x+1 and g(x)=-x, find (f°g)(x) and (g°f)(x).<br> (f°g)(x)=

andreev551 [17]

The value of (f· g)(x) from the given functions is $-x^4-x^2-x$ .

The given functions are f(x)=x³+x+1 and g(x)=-x.

<h3>What is the function?</h3>

Functions are the fundamental part of the calculus in mathematics. The functions are the special types of relations. A function in math is visualized as a rule, which gives a unique output for every input x.

Here,

(f·g)(x)= f(x) × g(x)

= (x³+x+1) × (-x)

= $-x^4-x^2-x$

(g·f)(x)= g(x) × f(x)

= (-x) × (x³+x+1)

= $-x^4-x^2-x$

Therefore, the value of (f· g)(x) from the given functions is $-x^4-x^2-x$ .

To learn more about the function visit:

brainly.com/question/28303908.

#SPJ1

3 0

1 year ago