2/3 of the pizza was left over last night. Then, Marcy ate another 2/9 of it. How much is left over now?

Answers

Answer 1
Answer:

Answer:

4/9 is left over.

Step-by-step explanation:

First make the denominators the same. 2/3=6/9. 6/9-2/9=4/9.


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Find the value of x that would prove this is an isosceles trapezoid. Then find each segment length.

Answers

Answer:

Check pdf

Step-by-step explanation:

Complete the sentence.
9 is 18% of

Answers

Answer:

9 is 18 percent of 50

Step-by-step explanation:

9 = 18% x Y

9 =  18

100  x Y

Y = 3 x  100/18

Y = 50%

Length 21cm area 315cm2 find the breath ​

Answers

___________________________________

Symbols of:

\quad\quad\quad\quad\tt{A  =  A rea}

\quad\quad\quad\quad\tt{ l = length}

\quad\quad\quad\quad\tt{ b \:  = breadth}

Given that:

\quad\quad\quad\quad\tt{A  =  315 {cm}^(2) }

\quad\quad\quad\quad\tt{l  =  21cm}

\quad\quad\quad\quad\tt{b  =   \: ? }

Formula for breadth (b):

\quad\quad\quad\quad\tt{breadth  = (Area)/(length) }

Solution:

\quad\quad\quad\quad\tt{b = \frac{315 {cm}^(2) }{21cm} }

\quad\quad\quad\tt{\:\:b = {15cm}}

So, the breadth (b) is:

\quad\quad\quad\quad\tt \boxed{ \boxed{  \color{magenta}{b = 15cm }}}

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✍︎ C.Rose❀

Answer:

Breadth = 15 cm

Step-by-step explanation:

Area = length x breadth

315 = 21 x breadth

(315)/(21) = (21)/(21) * breadth                 [ dividing both sides by 21 ]

15 = 1 * breadth\n\nbreadth = 15 \ cm

|4x-1|=2x+13
what does x equal

Answers

The variable x equals x=7

Answer:

2x+13=4x-1

2x=14

x=7

another solution

2x+13=-(4x-1)

2x+13 =-4x+1

6x=-12

x =-2

so solutions are 7,-2

How to solve trigonometric functions such as

sin 2x sin x + cos x= 0

Answers

Use the double angle identity:

sin(2x) = 2 sin(x) cos(x)

Now rewrite

sin(2x) sin(x) + cos(x) = 0

as

2 sin²(x) cos(x) + cos(x) = 0

Factor out cos(x) :

cos(x) (2 sin²(x) + 1) = 0

Consider the two cases,

cos(x) = 0   OR   2 sin²(x) + 1 = 0

Solve for cos(x) and sin²(x) :

cos(x) = 0   OR   sin²(x) = -1/2

Squaring a real number always gives a non-negative number, so the second case doesn't offer any real solutions. We're left with

cos(x) = 0

Cosine is zero for odd multiples of π/2, so we have

x = (2n + 1) π/2

where n is any integer.

Please I really need help can you help me

Answers

Answer:

  • first one:

f(x) approches -∞

we can see clearly in the graph that the function is decreasing toward infinity

  • second one:

f(x) approches 1

we can that y=1 represents an asymptote

f(x) is growing toward 1 without reaching it