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mixer [17]
2 years ago
10

Which expression is equivalent to

Mathematics
1 answer:
vovangra [49]2 years ago
8 0

Answer:

-10x +30

Step-by-step explanation:

10(-⅘x + 3) -2x

Distribute

10 *-4/5x + 10*3 -2x

-8x+30 -2x

Combine like terms

-10x +30

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Complete the sentence.<br><br><br> 7 is 35% of _________.
Sonbull [250]
<span>Okay, pretend the number equals X,
so x is 35%, and that would equal 7, so then 
x is still 35/100 = 7 
x = 7 which is 100/35 
x = 700/35 
x = 20 
then you get the number = 20 
I hope this was helpful, and good luck! :P</span>
7 0
3 years ago
Read 2 more answers
Problem Solving
N76 [4]

you're absolutely correct.

each system is sold for $2150, that includes cost + markup, namely the markup is the surplus amount otherwise called "profit".

they sold 12 of those, 2150 * 12 = 25800

they had $4824.36 in profits from it, so if we subtract that from the sale price, we'll be left with the cost of all 12 systems

25800 - 4824.36 = 20975.64

that's the cost for all 12 systems sold, how many times does 12 go into 20975.64?  20975.64 ÷ 12 = 1747.97.

7 0
2 years ago
Rewrite the decimal in the sentence below as a percentage.
serious [3.7K]

Answer:

0.0066%

Step-by-step explanation:

6 0
2 years ago
Leo and Bonnie went to watch the local basketball team's game. Each of them bought a game ticket and a $15 team jersey. Together
Blababa [14]

Answer:

each ticket = $27.75

Step-by-step explanation:

70.50-15=55.50

55.50÷2=27.75

7 0
2 years ago
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Here are the first five terms of an arithmetic sequence.
Assoli18 [71]

Answer:

The nth term of an AP will be 27 -7n.

Step-by-step explanation:

First five terms of the Arthemetic Sequence is given to us , which is 26 , 19 , 12 , 5

Hence here Common Difference can be found by subtracting two consecutive terms . Here which is 19 - 26 = (-7) .

Here first term is 26 .

And the nth term of an AP is given by ,

★ T_n = a + ( n - 1) d

<u>Subst</u><u>ituting</u><u> respective</u><u> values</u><u> </u><u>,</u>

⇒ T_n = a + ( n - 1 )d

⇒ T_n = 26 + (n - 1)(-7)

⇒ T_n = 26 -7n+1

⇒ T_n = 27 - 7n

<h3><u>Hence </u><u>the</u><u> </u><u>nth</u><u> </u><u>term</u><u> of</u><u> an</u><u> </u><u>AP</u><u> </u><u>can</u><u> </u><u>be</u><u> </u><u>found </u><u>using </u><u>T_</u><u>n</u><u> </u><u>=</u><u> </u><u>2</u><u>7</u><u> </u><u>-</u><u> </u><u>7</u><u>n</u><u>. </u></h3>

8 0
3 years ago
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