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Lina20 [59]
3 years ago
6

Can someone help please? I need help

Mathematics
2 answers:
Zinaida [17]3 years ago
8 0

Answer:

it 1.5 lololollolololool

Step-by-step explanation:

OleMash [197]3 years ago
7 0

Answer:

k = 1.5

Step-by-step explanation:

In order to isolate your variable, k, you need to do inverse operations. Since k is being multiplied by 78, you want to divide both side by 78.

k x 78 = 117

k x 78/78 = 117/78

k x 1 = 1.5

k = 1.5

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First time doing mensuration, can someone enlighten me on how to find the height of the hemisphere and cone?
Alina [70]

Answer:

Step-by-step explanation:

volume=1/3\pi  r^2h +2/3\pi r^3[

tex]=1/3\pi *9*4+2/3\pi  *3^3[/tex]

=12\pi +18\pi= 30 \pi volume

4 0
3 years ago
Read 2 more answers
The line having an x intercept of 3 and y intercept of 10<br> Write this in Standard form Ax+By=C
Svetlanka [38]

Answer:

The standard form of the line is 10x + 3y = 10

Step-by-step explanation:

First we need to find the slope of the equation, which we can do using the slope equation and the two points given: (3, 0) and (0, 10)

m(slope) = (y2 - y1)/(x2 - x1)

m = (10 - 0)/(0 -3)

m = 10/-3

Now we can write the equation in slope intercept form since we have the slope and the intercept.

y = mx + b

y = -10/3x + 10

Now we can manipulate the equation to get the standard form.

y = -10/3x + 10

10/3x + y = 10

10x + 3y = 30

5 0
2 years ago
Out of 340 racers who started the marathon, 302 completed the race, 26 gave up, and 12 were disqualified. What percentage did no
tangare [24]

Answer:

11.18%

Step-by-step explanation:

Total = 340

Completed = 302

Not completed = 340 - 302 = 38

Not completed% = 38/340*100% =  11.18%

3 0
3 years ago
Plz help with these first one gets brainliest
vlabodo [156]

Answer:

A=(1,6) B=(1,6)

Step-by-step explanation:

Its the absolotle value between them.

4 0
2 years ago
Read 2 more answers
For each situation below, write the equation of the line and explain how you can tell.
sveticcg [70]

Answer:

see below

Step-by-step explanation:

a. Has a slope of 2 and passes through (10,17)

Using the slope intercept form

y = mx+b  where m is the slope and b is the y intercept

y = 2x+b

Substitute the point into the equation

17 = 2(10)+b

17 = 20+b

Subtract 20 from each side

17-20 =b

-3 =b

y = 2x-3

b. passes through (1,-4) and (2,-5)

First find the slope

m= (y2-y1)/(x2-x1)

   = (-5- -4)/(2-1)

  = (-5+4)/(2-1)

  = -1/1

  = -1

Using the slope intercept form

y = -x+b

Substitute a point into the equation

-4 = -1(1) +b

-4 = -1+b

Add 1 to each side

-3 = b

y = -x+3

   

6 0
3 years ago
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