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Alex777 [14]
3 years ago
9

11+3(2x-1) = 20 -- x

Mathematics
1 answer:
attashe74 [19]3 years ago
4 0

Answer:

x=3.50

Step-by-step explanation:

2*3.50=7

7-1=6

3+6=9

9+11=20

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WILL MARK BRILLIANT !!<br><br><br> Calculate the sales tax of 6.35% on a bill of $45.25 .
Arlecino [84]

Answer:

2.873375

Step-by-step explanation:

3 0
3 years ago
Four more than twice a number<br><br>a.2x+4<br><br><br>b.4x+2<br><br>c.6x<br><br>d.2x &gt; 4​
makkiz [27]

Answer:

a. 2x + 4

Step-by-step explanation:

Four more than twice a number

Let x = unknown number

Four more than twice of x

Twice of x can be written as 2x

Four more than 2x

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6 0
2 years ago
Please answer quickly!!!
mixas84 [53]

Answer:

Step-by-step explanation:

5x + 13y = 232

12x + 7y = 218

For each choice:

a) The first equation can be multiplied by –13 and the second equation by 7 to eliminate y. So we have

- 65x - 169y = - 3016

84x + 49y = 1526

Can not eliminate x and y.

b) The first equation can be multiplied by 7 and the second equation by 13 to eliminate y. So we have

35x  + 91 y = 1624

156x + 91y = 2834

Can not eliminate x and y if we ADD.

<em>(If we subtract, this is Yes)</em>

<em></em>

c) The first equation can be multiplied by –12 and the second equation by 5 to eliminate x.

-60x - 156y = - 2784

60x + 35y = 1090

The answer is YES

d) The first equation can be multiplied by 5 and the second equation by 12 to eliminate x.

25x + 65y = 1160

144x + 84y = 2616

Can not eliminate x and y

The final answer is C

3 0
3 years ago
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Elis [28]
So 6 times 6 is 36 so 36 possibilities and the number that add up to 3 or nine are (2,1; 3,6; 4,5;) so 3 out of 36 or 1 out of 12, the answer is not there
3 0
3 years ago
0.008 is 1/10 of what
sp2606 [1]
0.008 x 1/10 = 0.0008
8 0
3 years ago
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