Evaluate the expression for x=7 and y=-2 4x+4y
2 answers:
Answer:
4*7+4*-2
= 28-8
= 20
is the correct answer
Answer:
<em>2</em><em>0</em>
<em>x</em><em>=</em><em>7</em>
<em>y</em><em>=</em><em> </em><em>-</em><em>2</em>
<em>4</em><em>x</em><em>+</em><em>4</em><em>y</em>
<em>=</em><em>4</em><em>(</em><em>7</em><em>)</em><em>+</em><em>4</em><em>(</em><em>-</em><em>2</em><em>)</em>
<em>=</em><em>2</em><em>8</em><em>-</em><em>8</em>
<em>=</em><em>2</em><em>0</em>
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The answwer
20% of <span>$1,580.00 is X= 1,580 x20/ 100 = $316
</span>
the amount of his paycheck was <span> $316</span>
k= 4/9 or 0.444 in decimal form.
hope this helps!
The sum of two adjacent sides is 11 inches, so the long sides are 9 inches. The "unknown number" must be 12.
I hope this helps you
distance=speed×time
first cars time t
second cars time t+3
same distance
distance=55.t
distance=40. (t+3)
55t=40 (t+3)
55t-40t=120
15t=120
t=8
t+3=11
