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Effectus [21]
3 years ago
9

Simplify(a + 2b +30) - (40+36-5a)​

Mathematics
1 answer:
Crazy boy [7]3 years ago
3 0

Step-by-step explanation:

  • (a+2b+30)-(40+36-5a)
  • a+2b+30-40-36+5a
  • 6a+2b-46

hope it helps.

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00:00 A florist measures the lengths of roses. The lengths in inches of a dozen roses are given below. 13.5 13.5 13.25 13.0 13.2
Anettt [7]

Answer:

2: 12.75

3: 13.0

4: 13.25

3: 13.5

0: 13.75

0: 14.0

5 0
3 years ago
What is the solution to the system of the equations?<br><br> x = y - 3<br><br> x + 3y = 13
Bumek [7]

Answer:

Solution (1, 4)

Step-by-step explanation:

x = y - 3

x + 3y = 13

Substitute x = y - 3  into x + 3y = 13

y - 3  + 3y = 13

4y - 3 = 3

4y =16

y = 4

Substitute y = 4 into x = y - 3

x = 4 - 3

x = 1

Solution (1, 4)

3 0
3 years ago
What is the measure of BAC
monitta

Answer:

were is graph?

Step-by-step explanation:


4 0
3 years ago
3\sqrt{2} - 2\sqrt{18} + 6\sqrt{8}[/tex]
Stella [2.4K]

Answer:

\sf \bold 9\sqrt{2}

Step-by-step explanation:

<h3>Simplifying radicals</h3>

    Step1: Prime fatorize and reduce to simplest form

    Step2:  Combine like radicals

    \sf 3\sqrt{2} - 2\sqrt{18}+6\sqrt{8}= 3\sqrt{2}- 2\sqrt{3*3*2}+6\sqrt{2*2*2}

                                    \sf = 3\sqrt{2}-2*3\sqrt{2} +6*2\sqrt{2}\\\\=3\sqrt{2}-6\sqrt{2}+12\sqrt{2}\\\\=(3-6+12)\sqrt{2}\\\\ = 9\sqrt{2}

5 0
2 years ago
A student skipped a step when she tried to convert 18 hours into seconds,
gladu [14]

Answer:

The conversion of minutes to seconds is skipped in multiple-step conversion.

Step-by-step explanation:

Given:

To convert 18 hours into seconds.

Now, to get the conversion ratio skip in this multiple-step conversion.

First we need to convert hours into minutes:

1 hour = 60 minutes.

So, 18 hours = 18\times 60 minutes

                     = 1080 minutes.

Then, we convert minutes into seconds:

1 minute = 60 seconds.

So, 1080 minutes = 1080\times 60 seconds

                             =  64800 seconds.

Thus, 18 hours =  64800 seconds.

<u>As given in question the conversion from hours to seconds is there but the conversion of minutes to second is not there it is skipped so the result is incorrect.</u>

Therefore, the conversion of minutes to seconds is skipped in multiple-step conversion.

5 0
3 years ago
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