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Mrrafil [7]
3 years ago
13

Christina is planning a dance routine. at the end of each measure of music, she will make a 1 1/4 turn. how many turns will she

make after the first 3 measures of music
Mathematics
1 answer:
ANEK [815]3 years ago
8 0
1 \frac{1}{4} is equal to \frac{5}{4}  ( \frac{4}{4} +  \frac{1}{4} ). To get your answer all you need to do is multiply the numerator 5, by the number of times Christina goes through the routine. You therefore get the answer:
\frac{5*3}{4} =  \frac{15}{4}
this simplifies to 3 \frac{3}{4}
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A number, y, is equal to twice the sum of a smaller number and 3. The larger number is also equal to 5 more than 3 times the sma
RSB [31]

Answer:

A.

Step-by-step explanation:

<em>NOTE: The "larger number" will be referred to as y, and the "smaller number" will be referred to as x.</em>

"A number, y, is equal to twice the sum of a smaller number and 3."

This tells us that we must add our smaller number (x) to 3 within parantheses and then multiply the entire term (x+3) by 2.

y=2(x+3)

"The larger number is also equal to 5 more than 3 times the smaller number."

This tells us that we must multiply 3 against our smaller number (x) and add 5 to it.

y=3x+5

Now, to find your answer, we can put the equations in the same form as the answer choices so as to find an equivalent equation. Lets start with the first equation.

This form calls for us to have our x term first, then our y term, then our constant.

y=2(x+3)\\y=2x+6\\-2x+y=6

Now that we've gotten the equation in that form, we can see that our answer choices hold that our leading co-efficient must be positive, which we can adjust for by dividing both sides by -1.

-2x+y=6\\2x-y=-6

This makes the only possible answer choices (A) and (C).

Now, lets do our second equation. The recipe calls for the same form, again with a positive leading coefficient.

y=3x+5\\-3x+y=5\\3x-y=-5

This is only represented by choices (A) and (B).

Therefore, answer choice (A) is the only one which represents both equations.

7 0
3 years ago
What’s the answer please??
damaskus [11]

Answer:

The answer is C

Step-by-step explanation:

Straight angles means a line which straight and has no turning.

5 0
3 years ago
Read 2 more answers
Forty seven hundredths in standard form
Elden [556K]

Answer is .47

Fourty seven hundredths in standard form is .47,

3 0
3 years ago
Solve the system of equations:<br><br><br> 6x - 5y = 15<br><br> x = y + 3
Anettt [7]

Answer:

x = 0, y = -3

Step-by-step explanation:

plug in x as y + 3 into the first equation

6(y+3) - 5y = 15

6y+18 - 5y = 15

y = -3

x= 0

4 0
3 years ago
Adam uses coconut milk for the dessert.
Ivanshal [37]
So basically, since you know the equation and all of the dimensions, just plug in all of the numbers.

V = \pi r^2 h
V = 3 [the radius is diameter / 2] 4^2 * 12
V = 3 * 16 * 12
V = 48 * 12
V = 576

So there is 576 cm cubed of milk inside of the can.

(Whether it's filled to the brim, probably not.)

I hope I helped! :)
5 0
2 years ago
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