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xenn [34]
3 years ago
13

Is -1 1/4 a rational number? yes no Submit

Mathematics
2 answers:
lys-0071 [83]3 years ago
6 0

Answer:

Yes

Step-by-step explanation:

-1 1/4 is a rational number. Irrational numbers cannot be written as simple fractions, and -1 1/4 can.

worty [1.4K]3 years ago
4 0
Yes because the answer is -2.75 and it stops so that makes it a rational number.
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Sarah is cutting ribbons for a pep rally. The length of each ribbon needs to be 3.57 inches if she needs 1,000 ribbons what is t
almond37 [142]

Answer:

3,570

Step-by-step explanation:

To find the answer, you have to multiply 1,000 and 3.57

3.57 x 1,000 = 3,570

8 0
3 years ago
Can anyone help me with this question ?
Assoli18 [71]
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8 0
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Write the ratios sin X and cos X
Mashcka [7]

Answer:

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Step-by-step explanation:

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3 years ago
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pshichka [43]
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3 0
3 years ago
The table can be used to determine the solution of equations, 2x - 2y = 6 and 4x + 4y = 28.
NeTakaya

Answer:

(5, 2)

Step-by-step explanation:

Given the following system of equations;

2x - 2y = 6  ......equation 1.

4x + 4y = 28  ......equation 2.

To get an equivalent equation, we would multiply eqn 1 by 2;

2 * (2x - 2y = 6) = 4x - 4y = 12

The new equivalent system of equations are;

4x - 4y = 12

4x + 4y = 28  

Adding the equivalent system of equations, we have;

(4x + 4x) + (-4y + 4y) = (12 + 28)

8x + 0 = 40

8x = 40

x = 40/8

<em>x = 5</em>

Next, we would find the value of y;

2x - 2y = 6

Substituting the value of x, we have;

2(5) - 2y = 6

10 - 2y = 6

Rearranging the equation (collecting like terms), we have;

2y = 10 - 6

2y = 4

y = 4/2

<em>y = 2</em>

<em>Therefore, the solutions to the new system of equations are 5 and 2.</em>

<u>Check:</u>

2x - 2y = 6

Substituting the values, we have;

2(5) - 2(2) = 6

10 - 4 = 6

6 = 6

3 0
3 years ago
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