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Naddika [18.5K]
1 year ago
12

1 of 121 of 12 Items

Mathematics
1 answer:
DENIUS [597]1 year ago
6 0
A-60%

(5-2)/53/560% decrease
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almond37 [142]
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3 0
3 years ago
Read 2 more answers
Find an explicit formula for the arithmetic sequence 12, 5, -2, -9,...<br> a(n)=
masha68 [24]

a is the beggining number and n is the amount of times needed to do this. if is   17 you would need to subtract 7 from the originol number 12 (a)  that many times.

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3 years ago
Use a single digit times a power of 10 to express the number 0.000023456
Aloiza [94]

Answer:

2.3456 x 10^-5

Step-by-step explanation:

4 0
3 years ago
A chemical company makes two brands of antifreeze. The first brand is 45% pure antifreeze, and the second brand is 95% pure anti
Lesechka [4]

Let x = amount of 45% antifreezeLet y = amount of 70% antifreeze     EQUATION 1:   x + y = 150    (total of 150 gallons mixed)     EQUATION 2:  .45x + .75y = .55(x + y) Simplify and solve the system of equations     Multiply second equation by 100 on both sides to remove the decimals           45x + 75y = 55(x + y)     Combine like terms           45x + 75y = 55x + 55y           45x - 55x + 75y - 55y = 0             -10x + 20y = 0       Now we have the following system of equations:              x  +    y = 150        -10x + 20y =     0     Multiply the first equation by -10 to get opposite coefficients for x;  add the equations to eliminate x           10x + 10y = 1500         -10x + 20y =       0        ------------------------------                    30y = 1500      Solve for y            30y = 1500                y = 50      Since the total mixed gallons is 150, x = 150 - 50 = 100 So we need 100 gallons of the 45% antifreeze and 50 gallons of the 70% antifreeze

5 0
3 years ago
Which of the following functions is graphed below
AlexFokin [52]

Answer:

B

Step-by-step explanation:

5 0
3 years ago
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