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nadezda [96]
3 years ago
14

Please help urgent . Thank u

Mathematics
2 answers:
klemol [59]3 years ago
7 0
The correct answer is D
matrenka [14]3 years ago
5 0
You're not gonna like it.  I think both I and III are true, so none of the choices shown.  Choice E: I and III.

I. H and J are points, and any two points are on some line, so collinear. TRUE.

II. L is between R and K.  Betweeness needs collinearity, which we don't have here.  FALSE.

III.  R, J and N are coplanar.  Any three points lie in some plane.  TRUE.

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A force of 10 lb is required to hold a spring stretched 4 in. beyond its natural length. How much work is done in stretching it
Troyanec [42]

Answer:

W = 15/4 ft . ib

Step-by-step explanation:

Force = 10ib

According to hooked law, f(x) = kx

x = 4inches = 4/12 ft

x= 1/3ft

f(x) = 1/3k

10 = 1/3k

k = 30 ib/ft

f(x) = 30x

Workdone = integral of f(x) with its limit

6 inches = 6/12 ft

= 1/2ft

W = integral(1/2 to 0) of 30x

W = 15x^2(1/2 to 0)

W = 15(1/2)^2 - 15(0)^2

W = 15(1/4) - 0

W = 15/4 ft. Ib

4 0
3 years ago
The functions f(x)=√x^2+12x+36 and g(x)=x^3-12 are defined below. Which expression is equal to f(x) · g(x)? A.x^4-6x^3-12x+72 B.
Lostsunrise [7]

Answer:

C: x^4+6x^3-12x-72

Step-by-step explanation:

For the function : f(x)=√x^2+12x+36

It can be factorized to

f(x)=√(x+6)²

=x+6

f(x)*g(x)

=(x+6)(x^3-12)

Expand the brackets

=x^4-12x+6x^3-72

rearrange the numbers

x^4+6x^3-12x-72

3 0
3 years ago
Help Please solve this picture
Drupady [299]

6y = (x - 4)² + 34/3

6x = (y - 4)² + 34/3

(y - 4)² = 6x - 34/3

y - 4 = √(6x - 34/3)

y = 4 +- √(6x - 34/3)


8 0
3 years ago
Kevin and some friends baked different loaves of bread and cut them into different numbers of slices. They ate 1/4 of one loaf,
Sophie [7]
The first thing you should do to answer the question is to take each of the amounts to percentages:
 (1/4) * (100) = 25
 (1/4) * (100) = 25
 (5/12) * (100) = 41.67
 (1/12) * (100) = 8.33
 Adding all the amounts:
 25 + 25 + 41.67 + 8.33 = 100%
 answer
 Yes, they ate the equivalent of a whole bread
7 0
3 years ago
James has 268 cookies to put into bags. Each bag holds 8 cookies.
Natali5045456 [20]

\orange{\underline{\huge{\bold{\textit{\green{\bf{QUESTION}}}}}}}

James has 268 cookies to put into bags. Each bag holds 8 cookies.

If James uses as many of the cookies as possible, how many bags can he make, and how many cookies are left over?

\blue{\huge{\red{\boxed{\green{\mathfrak{FORMULA}}}}}}

\tiny{ \tiny{NUMBER \:  OF \:  BOXES   \: =  \frac{TOTAL \:  NUMBER \:  OF \:  COOKIES  }{NUMBER  \: OF \:  COOKES  \: EACH  \: B AG \:  CAN \:  HOLD} }}

\huge\mathbb{\red A \pink{N}\purple{S} \blue{W} \orange{ER}}

\tiny{ \tiny{NUMBER \:  OF \:  BOXES   \: =  \frac{TOTAL \:  NUMBER \:  OF \:  COOKIES  }{NUMBER  \: OF \:  COOKES  \: EACH  \: B AG \:  CAN \:  HOLD} }}

NUMBER \:  OF \:  BOXES  =  \frac{268}{8}  = 33 \frac{4}{8}  \\ NUMBER \:  OF \:  BOXES = 33 \:  + 4 \: cookes \:

\pink{Number  \: of \:  boxes = 33} \\ \orange {Number  \: of \:  cookes  \: left = 268- 264 = 4}

If he uses 4 cookes to make one more box then he will have -->

\pink{Number  \: of \:  boxes = 34}

7 0
3 years ago
Read 2 more answers
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