Answer:
21
Step-by-step explanation:

multiple both sides by 7
v = 21
Check:
21/7 = 3
3 = 3
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Change the percentage to decimal
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7% = 0.07
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Find the percentage
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0.07 x <span> £14.50 = 1.015
</span>--------------------------------------------------
Answer: 1.015
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<span>
</span>
Answer:
<u>f</u><u>(</u><u>5</u><u>)</u><u> </u><u>=</u><u> </u><u>1</u><u>7</u><u> </u>
Step-by-step explanation:
f(x) = 3x + 2
Since the value of x is 5, we can plug it into the equation.
f(5) = 3(5) + 2
f(5) = 15 + 2
Hope this helped :)
Answer:
Step-by-step explanation:
To build the equation we need to get the value.
120,000
Lets add the percent which is 1.055 since it is 5.5% added to nothing increasing
120,000(1.055)x
Answer:
(3,6)
Step-by-step explanation:
Collect like terms
y -5x = -9
y + 2x = 12
Using elimination method
Subtract equation 2 from equation 1
y - 5x = -9
y + 2x = 12
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0. -7x = -21
Divide both sides by -7
-7x = -21
---- -----
-7 -7
x = 3
Substitute x=3 into equation 1
y = 5(3) - 9
y = 15 - 9
y = 6
Solution is (x,y) = (3,6)