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lisov135 [29]
3 years ago
8

a line segment of length 84cm has been divided into two parts in the ratio 4:3 find the length of each part​

Mathematics
1 answer:
Tanzania [10]3 years ago
5 0

Answer:

48 and 36

Step-by-step explanation:

Let the two numbers be 4x and 3x

or4x+3x=84

or, 7x=84

or, x=84÷7

or, x=12

now,

4x=12×4

=48

3x=3×12

=36

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A jury pool consists of 50 potential jurors and how many ways can a jury of 12 be selected
bija089 [108]

Solution:

we are given that

A jury pool consists of 50 potential jurors.

Wee have been asked to find the number of ways can a jury of 12 be selected.

As we know from the concept of combination that r person can be selected out of n in ncr ways. where

n_C_r=\frac{n!}{r!(n-r)!}

Now substitute the values we get

{50}_C_{12}=\frac{50!}{12!(50-12)!}\\
\\
{50}_C_{12}=\frac{50!}{12!38!}\\
\\
{50}_C_{12}=121399651100\\

Hence the required number of ways is 121399651100

5 0
3 years ago
Find the coordinates of the points of intersection of the graphs with coordinate axes: y=− 1/4 x+2
bearhunter [10]

Answer:


Step-by-step explanation:

Here, you can use a simple formula.

To find the point of intersection you just put x=0 or y=0.

Because, if a graph intersects x-axis, then at this point  y=0

Similarly, if a graph intersects y-axis, then at this point  x=0


So, for our given line.

y=-1/4 x +2

when , x=0 , y=-1/4 (0)+2=2

So, the graph intersects y-axis at   y=2


when , y=0 ,

then    0=-1/4 x+2

       or, 1/4 x=2

       or, x=8    [multiplying by  4]

So, the graph intersects x-axis at   x=8

3 0
3 years ago
3 boys shared a whole pizza. Andrew ate 25% of the pizza. alonso ate 5/8 of the pizza. Tyler ate .1255 of the pizza. who are the
Leya [2.2K]

Answer:

Alonso ate the most

Step-by-step explanation:

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3 0
2 years ago
Help mee plzz :))tyy
Dimas [21]

Step-by-step explanation:

Given prism has:

Length = 5 in, width = 4 in & height = 6 in

Surface area of prism

2(lw + wh + lh) \\  = 2(5 \times 4 + 4 \times 6 + 5 \times 6) \\  = 2(20 + 24 + 30) \\  = 2 \times 74 \\  = 148 \:  {in}^{2}  \\

4 0
3 years ago
5x + 5 equals 16 - 6x​
bulgar [2K]

Answer:x=1

Step-by-step explanation:

5 0
3 years ago
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