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wel
3 years ago
8

Write an expression that is equivalent to 9 + 5x - 5 + 3x

Mathematics
1 answer:
Vladimir79 [104]3 years ago
3 0

Answer:

8x + 4

Step-by-step explanation:

change it around

9-5   5x+3x.

9-5=4,  5x+3x=8x.

4+8x or 8x+4

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Math question! I appreciate any help!
saw5 [17]
Lateral faces are all the sides of the prisms EXCEPT the bases, which are the sides on the top and bottom. To find the area of the lateral faces we can use the formula: perimeter x height.

perimeter = 2 (6 + 8) = 2 x 14 = 28
height = 14
area of the lateral faces = perimeter x height = 28 x 14 = 392

Hope this helps!
6 0
3 years ago
Fill in the table using this function rule.<br> y=14-2x
Mamont248 [21]

Answer:

when x is:

1; y = 12

2; y = 10

5; y = 4

6; y = 2

Step-by-step explanation:

Substitute each value of x to obtain respective y values

3 0
2 years ago
A total of 259 tickets were sold to a benefit concert for a total of $5,312. Two types of tickets were sold: adult tickets were
jeyben [28]

Answer:

113

Step-by-step explanation:

Let the number of adult tickets sold =a

Let the number of student tickets sold =s

A total of 259 tickets were sold, therefore:

a+s=259

Adult tickets were sold for $24 each and student tickets were sold for $16 each.

Total Revenue = $5,312

Therefore:

24a+16s=5,312

We solve the two derived equations simultaneously.

From the first equation

a=259-s

Substitute a=259-s into 24a+16s=5,312

24(259-s)+16s=5,312

6216-24s+16s=5,312

-8s=5,312-6216

-8s=-904

Divide both sides by -8

s=113

Therefore, 113 student tickets were sold.

4 0
3 years ago
PLZ HELP ill GIVE BRAINIESt!!!!20 Points
shepuryov [24]
She made her mistake at the first step. To simplify a radical, you would find two numbers that multiply by each other to get your original number (under the radical) and have one of the number be a perfect square.

Her reasoning is wrong because 10*10 is not \sqrt{50}. Had she been correct, her answer should have been able to be squared to equal \sqrt{50}

In other words, she should have done \sqrt{25*2}= \sqrt{25} * \sqrt{2}=5 \sqrt{2}
(We used 25 because 25 is a perfect square, 5*5=25).

:)
3 0
2 years ago
− 7/10÷ 2/5=<br> ​ plz help me
Elza [17]

Answer:

- 7/5

Step-by-step explanation:

7*5

10*2

35/20 - -35/20

- 7/5

8 0
2 years ago
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