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nataly862011 [7]
3 years ago
9

7. Solve for x.V

t{?} " align="absmiddle" class="latex-formula">
x+ 3 = 20​
Mathematics
1 answer:
ch4aika [34]3 years ago
6 0
7+3=20

X+3=20
-3 -3
+3 & -3 cancel out
Then 20 minus 3 equals 7
So x=7
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Four more than twice a number is less than negative twelve. Find all numbers that make this statement true.
andreev551 [17]

Answer:

x<-8

Step-by-step explanation:

four more than twice a number = 4+2X

is less than negative twelve = <-12

4+2X<-12

(4-4)+2X< -12-4

2x<-16

X<-8

7 0
3 years ago
Solve the equation for x. 1 6 (2x − 12x) = 30 A) −12 B) −15 C) −18 D) −24
lubasha [3.4K]

\frac{1}{6}*(2x-12x) = 30

\frac{1}{6}*(-10x) = 30

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x = -18

the correct answer is C

8 0
3 years ago
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On a certain function machine, an input of 3 has an output of -6. An input of -2 has an output of 4. An input of 0 has an output
horrorfan [7]
Input of 3.....output of -6.......(3 * -2 = -6)
input of -2....output of 4........(-2 * -2 = 4)
input of 0....output of 0.........(0 * -2 = 0)

function rule : multiply the input by -2
6 0
3 years ago
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What is the x-intercept of the line 10x-5y=40
jasenka [17]

Answer:

4

Step-by-step explanation:

The x-intercept occurs when y=0, if you think about it graphically.  Plug y=o into your equation:

10x - 5(0) = 40

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x=4

8 0
3 years ago
If 14 people feeds on 3 cups of rice. how much rice feeds 17 people
AnnZ [28]
The answer is:

17*(3/14)

More detailed;

3/14 gives us how many it takes to feed 1 person, then we times the amount it takes to feed one person by 17 (to get 17 people)
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3 years ago
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