Answer:
We have 8 liters of 54% alcohol.
We will add "x" liters of 66% alcohol to make "8 +x" liters of 65% alcohol.
54 * 8 + 66 x = 65 (8 + x)
432 + 66x = 520 + 65x
x = 88 liters
Step-by-step explanation:
What is two numbers whose difference is 25.6
There are plenty of numbers and digits has a difference of
25.6. we shall illustrate these values using the following.
<span><span>1.
</span>50.0 – 24.4 = 25.6</span>
<span><span>2.
</span>100.1 – 74.5 = 25.6</span>
<span><span>
3.
</span>150 – 124.4 = 25.6</span>
<span><span>
4.
</span>78 – 52.4 = 25.6</span>
<span><span>
5.
</span>90 – 64.4 = 25.6</span>
<span><span>
6.
</span>88.5 -62.9 = 25.6</span>
<span>Example<span>Problem<span><span>Use elimination to solve the system.</span> x –<span> y = </span>−6x <span>+ y = 8</span></span> </span><span> Add the equations.</span><span> <span><span>2x = 2</span>x = 1</span><span>Solve for x.</span></span><span> <span>x<span> + y = 8</span><span>1 + y = 8</span>y = 8 – 1y = 7</span><span>Substitute x = 1 into one of the original equations and solve for y.</span></span><span> <span>x<span> – y = −6</span>1 – 7 = −6−6 = −6 TRUE</span><span>x<span> + y = 8</span>1 + 7 = 88 = 8TRUE</span><span>Be sure to check your answer in both equations!</span></span><span>AnswerThe solution is (1, 7). </span></span>
Answer:
bc= 6
Step-by-step explanation:
since the triangles are similar, the sides are in a ratio
xz/ac = 20/4 (5:1)
yx/ba = 15/3 (5:1)
yz/bc = 5:1 = 30/6
