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vaieri [72.5K]
4 years ago
11

Plz plz plz plz plz plz help and show your work

Mathematics
1 answer:
Ilia_Sergeevich [38]4 years ago
3 0

Answer:

Step-by-step explanation:

i believe this is multiplication so. just multiply 12 3/4 x 2/5. The answer to that would be 12 6/20. Now let's simplify. you can divide this fraction to the fraction 2/2. 12 6/20 divided by 2/2 equals to 12 3/4. I hope this right, and I really hope you get an A on your test.

If it's division than here's the steps. KCFM (keep, change, flip, multiply) keep 12 3/4, change the division symbol to multiplication, and flip the fraction 2/5 to 5/2. last step multiply. 12 15/8. If you can simplify that then simplify it. I don't see anyone to simplify it so your okay.

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mamaluj [8]

Ignore the "53 hours" part, since we're interested only in the pay for 48 hours.

($22/hr)(48 hrs) = $1,056 in total pay.

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4 years ago
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6 0
3 years ago
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If there are 48 boys and 64 girls and the teachers decided to put them each in in equal rows only boys or girls will be in each
german

Answer: 16

Step-by-step explanation:

The question seeks to know the largest number of people that can sit in each row.

To answer this, find the Highest Common Factor of the numbers 48 and 64.

Factors of 48 ⇒ 1, 2, 3, 4, 6, 8, 12, 16, 24 and 48

Factors of 64 ⇒ 1, 2, 4, 8, 16, 32 and 64

Because the teacher wants the rows to be equal with either only boys or only girls sitting in them, the highest number of people that can sit in a row will be 16.

There will be 7 rows in total.

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Girls ⇒ 64/16 = 4 rows

5 0
3 years ago
Which expressions are equivalent to 4d+6+2d4d+6+2d ? Choose all answers that apply: Choose all answers that apply: (Choice A) A
Sliva [168]

Answer:

Options A and C are correct choices.

Step-by-step explanation:

We have been given an expression 4d+6+2d and we are asked to choose all the equivalent expressions from given choices.

Let us simplify our given expression.

4d+6+2d=(4d+2d)+6

4d+6+2d=6d+6

Let us see which of our given choices matches with our answer.

A. 2(3d+3)

Upon using distributive property a(b+c)=a*b+a*c we will get,

2*3d+2*3

6d+6

Therefore, option A is a correct choice.

B. 6(d+6)

Upon using distributive property a(b+c)=a*b+a*c we will get,

6*d+6*6

6d+36

Since this expression is not equivalent to our answer, therefore, option B is not a correct choice.

C. (3d+3)+(3d+3)

Upon removing parenthesis we will get,

3d+3+3d+3

Upon combining like terms we will get,

(3d+3d)+(3+3)

6d+6

Therefore, option C is the correct choice.

7 0
3 years ago
What is the answer to this quadratic equation? <br> X^2 -26x +195=51
antoniya [11.8K]

Answer:

Either   x=18                  or       x=8

Step-by-step explanation:

To find the answer to this quadratic equation, we will follow the steps below:

X² -26x +195=51

Subtract 51 from both-side of the equation

X² -26x +195-51 =51 - 51

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comparing the above  with the standard equation

ax² + bx + c=0

a = 1  b = -26   c= 144

Using the quadratic formula

x = -b ± √b² - 4ac /2a

x = -(-26) ± √(-26)² - 4(1)(144)   /2(1)

x = 26  ± √676 - 576   /2

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x = 26  ± 10   /2

Either  x= 26+10  /2        or    x =26-10  /2

Either  x =36/2               or      x=16/2

Either   x=18                  or       x=8

7 0
3 years ago
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