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2 years ago

50 POINTS

Mathematics

1 answer:

avanturin [10]2 years ago

3 0

Answer:

) Draw a tree diagram showing the possibilities for each outcome.

Step-by-step explanation:

i think

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<img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B2x%7D" id="TexFormula1" title="\frac{3}{2x}" alt="\frac{3}{2x}" align="absmid

defon

Answer:

x=35/78

Step-by-step explanation:

3/2x-11/5=(7/8)*(64/49)

3/2x-11/5=8/7

3/2x=8/7+11/5

3/2x=117/35

x=(35*3)/(2*117)

x=35/78

3 0

2 years ago

Is {(1,-2),(-2,0),(-1,2),(1,3)} a function

svp [43]

Answer:

Step-by-step explanation:

No...this is not a function.

A function will not have ANY repeating x values.....they can have repeating y values, just not the x ones.

And this set of numbers has repeating x values of 1

in other words, in a function, all the x values have to be different numbers....none can be the same

5 0

2 years ago

The surface area of the three-dimensional figure is square centimeters?

Zina [86]

Answer:

Step-by-step explanation:

Alright, lets get started.

The surface area of the figure given is : The area of all shapes together

The figure has 2 similar triangles and 3 similar rectangles.

The area of 1 triangle =

$\frac{1}{2}*base*height$

The area of 1 triangle = $\frac{1}{2}*10*8.66=43.3$

So, the area of both triangles = $43.3*2=86.6$

The area of 1 rectangle = $width *length$

The of 1 rectangle = $10*15=150$

So, the area of all 3 rectangles = $3*150=450$

So, total area of figure = $86.6+450=536.6$

hence the surface area is 536.6 square centimeters : Answer

Hope it will help :)

3 0

2 years ago

I'm stuck here on this part

adoni [48]

$x = \frac{8 + 6}{2} , \frac{8-6}{2}$
$x = \frac{14}{2} , \frac{2}{2}$
$x = 7, 1$

8 0

2 years ago

(PLEASE SHOW PICTURES ON HOW TO SOLVE THIS)

son4ous [18]

Answer:

Fred is $\frac{17}{24}$ ft taller than Benny

Step-by-step explanation:

Subtract Benny's height from Fred's height

4 $\frac{1}{12}$ - 3 $\frac{3}{8}$ ( change to improper fractions )

$\frac{49}{12}$ - $\frac{27}{8}$

The LCM of 12 and 8 is 24 , then

= $\frac{49(2)}{12(2)}$ - $\frac{27(3)}{8(3)}$

= $\frac{98}{24}$ - $\frac{81}{24}$

= $\frac{17}{24}$

3 0

1 year ago