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evablogger [386]
2 years ago
15

A.)12 B.) 25 C.)51 D.) 77

Mathematics
2 answers:
d1i1m1o1n [39]2 years ago
8 0

Answer:

51

Step-by-step explanation:

2x+27=4x+3

    -3       -3

__________

2x+24=4x

___________

         2

x+12=2x

-x      -x

___________

12=x

now plug in/check answer

2(12)+27=4(12)+3

24+27=48+3

51=51

true

givi [52]2 years ago
3 0

Answer:

4x+3=2x+27

4x-2x=27-3

2x=24

x=24/2

x=12

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Answer:

-5.5  -\sqrt{20}  \sqrt4  \frac{22}{7}  4.5

Step-by-step explanation:

Given:

The numbers to order from least to greatest is given as:

-5.5, 4.5, 22/7,\sqrt4,-\sqrt{20}

In order to compare these numbers, we have to convert them in same form.

Let us simplify each number in decimal form.

-5.5 = -5.5\\\\4.5=4.5\\\\\frac{22}{7}=3.14\\\\\sqrt4=2\\\\-\sqrt{20}=-\sqrt{5\times 2^2}=-2\sqrt5=-4.47

So, the least number is one which has the largest value with a negative sign.

Here, -5.5 is the least number.

The next smallest number is -4.47. So, -\sqrt{20}

The next smallest number is 2. So, \sqrt4

The next smallest number is 3.14. So, \frac{22}{7}

The greatest number is 4.5.

Therefore, the order from the least to greatest is:

-5.5 < -\sqrt{20} < \sqrt4 < \frac{22}{7} < 4.5

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Evaluate the following expression when x = 31 and y = 28.<br> 3(x-7)3 + 128 - 35
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F(x)=x^2+4x and g(x)= 2x+2, find f(5)+ g(6)
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