Answer:
First brand = 18 gallons
Second brand = 12 gallons
Step-by-step explanation:
Let the first brand brand be A and the second brand be B.
Thus, since he wants to obtain 30 gallons of a mixture that contains 30% pure antifreeze, then we have;
A + B = 30 - - - (eq 1)
Also; The first brand is 20% pure antifreeze, and the second brand is 45% pure antifreeze. Thus;
0.2A + 0.45B = (0.3 × 30)
0.2A + 0.45B = 9 - - - (eq 2)
From eq 1, we have; A = 30 - B
Put 30 - B for A in eq 2;
0.2(30 - B) + 0.45B = 9
6 - 0.2B + 0.45B = 9
0.25B = 9 - 6
0.25B = 3
B = 3/0.25
B = 12
Thus, A = 30 - 12 = 18 gallons
Answer: see below
<u>Step-by-step explanation:</u>
(1)
b) FH = 6, EG = 6
c) Square (which means it is also a rectangle and parallelogram)
(2)
c) Parallelogram
Answer:
slope = -3/14
Step-by-step explanation:
y1 - y2 / x1 - x2
They gave you one value, two total coordinates
5-5 = 1
-3 - 11
-14
1/-14
y=1/-14 + b
11= 1/-14(-3) + b
11 = -3/14 + b
17 + 14
b = 15 3/14
The answer is in this site but it doesn’t let me copy and paste here so ill drop it in here https://www.bartleby.com/solution-answer/chapter-22-problem-19e-probability-and-statistics-for-engineering-and-the-sciences-9th-edition/9781305251809/human-visual-inspection-of-solder-joints-on-printed-circuit-boards-can-be-very-subjective-part-of/d33fbd51-5636-11e9-8385-02ee952b546e
Answer:
80
Step-by-step explanation:
Hope this help :)
