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Debora [2.8K]
3 years ago
6

Select the fraction that is NOT in lowest terms . which of these fractions is not in lowest term?

Mathematics
1 answer:
Kisachek [45]3 years ago
6 0

Answer:

14/21

Step-by-step explanation:

14/21 is divisible by 7, and can reduce to 2/3

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The sum of all three numbers is 12. The sum of twice the first number, 4 times the second number, and 5 times the third number i
DaniilM [7]

Answer:

The numbers are 7, 4 and 1

Step-by-step explanation:

Let the numbers =x, y, z.

The sum of all three numbers is 12, x+y+z=12--------i

The sum of twice the first number, 4 times the second number, and 5 times the third number is 35, 2x+4y+5z=35-------ii

The difference between 8 times the first number and the second number is 52, 8x-y=52---------iii

Now, from (i),z =1-x-y--------iv

substitute (iv) in (ii),

2x+4y+5(12-x-y)=35

2x+4y+60-5x-5y=35

collect like terms

-3x-y=-25

that is, 3x-y=25--------v

solving (iii) and (v) simultaneously (add iii and v), we have

11x=77

divide both sides by 11 to obtain x=7

Put x=7 in (v)

3(7)+y=25

21+y=25

implies y=25-21=4

put x=7 and y=4 in (iv)

z=12-7-4=1

Hence, the numbers are 7, 4 and 1.

4 0
3 years ago
 
slava [35]

Answer:The area of the base will be (1)(3) m

The area of the right and left lateral faces will be (1)(2) = 2m

The area of the front and back lateral faces will be (2)(3) = 6m

The lateral area of the prism will be 16 m

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Tina’s little brother had 25 liters of water in his wading pool and splashed 1/5 of the water out. Tina then added 7 liters of w
Shkiper50 [21]

Amount of water after splash = 25(4/5) = 20L

Amount of water after Tina adds water = 20L + 7L = 27L

7 0
3 years ago
Read 2 more answers
How might this number be shown on a calculator?<br> 5.31x1037 (37 is above 10)<br> [?]e[ ]
Arisa [49]

Answer:

5.31E37

Step-by-step explanation:

Given

5.31 * 10^{37}

Required

How it'd be displayed on a calculator

Standard calculators, today are built to always convert huge numbers or extremely small number to scientific notations;

This was done to allow the calculator fit each values on its screen

5.31 * 10^{37} is such a big number that it'll require the calculator to display it using scientific notations;

So, basically we have to convert 5.31 * 10^{37} to scientific notaton;

This is achieved by replacing *10^{37} with E37

So, 5.31 * 10^{37} is equivalent to 5.31E37

6 0
3 years ago
Compare &amp; contrast the graphs of y = 5x+9 and y - 5x=3
arlik [135]
They both run diagonally (compare)...
the <span>y = 5x+9 is moved 6 points to the left
</span>
hope it works
3 0
3 years ago
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