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stich3 [128]
3 years ago
11

what is 12/3 as an improper fraction? a. 2/3 b. 5/3 c. 8/3 d. 6/3 user: what is 20 × 6? a. 100 b. 40 c. 12 d. 120

Mathematics
1 answer:
Sedbober [7]3 years ago
7 0
1\dfrac{2}{3}=\dfrac{1\cdot3+2}{3}=\boxed{\dfrac{5}{3}}\to\fbox{b.}\\\\20\times6=6\cdot(2\cdot10)=6\cdot2\cdot10=12\cdot10=\boxed{120}\to\fbox{d.}
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In Amy’s backyard, there are also chickens and rabbits. There are 5 more chickens than rabbits. The total number of legs is 130.
Butoxors [25]

Answer:

There are 25 chickens and 20 rabbits

Step-by-step explanation:

Let

x-----> the number of chickens

y ----> the number of rabbits

Remember that

1 chicken has two legs

1 rabbit has four legs

so

2x+4y=130 -------> equation A

x=y+5 -----> equation B

Substitute equation B in equation A and solve for y

2(y+5)+4y=130

2y+10+4y=130

6y=120

y=20 rabbits

Find the value of x

x=y+5

x=20+5=25 chickens

3 0
3 years ago
X+y+z=2<br> 5x+5y+5z=3<br> 4x+y-3z=-6
aniked [119]

Answer:

:)

Step-by-step explanation:

Examples: 1+2, 1/3+1/4, 2^3 * 2^2

(x+1)(x+2) (Simplify Example), 2x^2+2y a x=5, y=3 (Evaluate Example)

y=x^2+1 (Graph Example), 4x+2=2(x+6) (Solve Example)

5 0
3 years ago
raven plans to increase the price of each item in her store up 10%. which of the following sets of step could raven use to find
user100 [1]
To get the price of the new item after an increase of 10% you would have to find 10% of whatever the price is and add it to the original price so for example say the price is $300 you would do 300*0.10(0.10 is 10%) which is 30 and add that to 300 so the new price would be $330
8 0
3 years ago
The numerator of a fraction is 6. Which of the following could be the denominator of the fraction so that it is already in lowes
bogdanovich [222]

Answer:

19, because it wouldn't be close to becoming a whole.

Step-by-step explanation:

8 0
2 years ago
Explain how to estimate the product of 12 3/8 × 6 7/8
Gnesinka [82]
You can round each number to the nearest half

12 3/8 = 12 1/2

6 7/8 = 7

Now, you have: 12 ½ × 7

Since you have a mixed number, change it to a decimal to make it easier.

12 ½ = 12.5

12.5 × 7 = 87.5

The product of 12 3/8 and 6 7/8 is about 87 1/2 = 87.5

~Aamira~

Hope this helped :)
3 0
3 years ago
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