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7nadin3 [17]
3 years ago
5

The product of 4 and a number ,increased by 22 is 146. What is the number ?

Mathematics
1 answer:
maks197457 [2]3 years ago
7 0
Not absolutely sure I understand the question, but should be 120
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15 3/5% in fractions
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9/15 is 3/5 of 15

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13 + 5x - 4y - 8<br> .<br> I need to simplify the expression
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Jess has 60 ounces of an alloy that is 40% gold. How many ounces of pure gold must be added to this alloy to create a new alloy
tia_tia [17]

Answer:

84 ounces of pure gold

Step-by-step explanation:

Jess has 60 ounces of an alloy that is 40% gold. How many ounces of pure gold must be added to this alloy to create a new alloy that is 75% gold?

Pure gold = 100% gold

Let the number of ounces of pure gold = x

Hence, we have the equation

40% × 60 ounces + 100%× x ounces = 75%(60 + x)ounces

= 0.4 × 60 + 1x = 0.75(60 + x)

= 24 + x = 45 + 0.75x

Collect like terms

x - 0.75x = 45 - 24

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6 0
3 years ago
Select the true statement plzzzz need help ASAPPPPP
xxMikexx [17]

Answer:

Correct choice is B

Step-by-step explanation:

All three functions are increasing when x is increasing. You can find values of each function when x is "enough large". For example, at x=100,

1. linear function: y=10\cdot 100=1,000.

2. exponential function: y=5^{100}\approx 0.8\cdot 10^{70}.

3. quadratic function: y=4\cdot 100^2+5\cdot 100=40,500.

As you can see,  when x approaches positive infinity, the exponential function will exceed both the linear and the quadratic functions.

Also you can use graphical method to get from the attached diagrams result. When x approaches positive infinity, the exponential function will exceed both the linear and the quadratic functions.

Correct choice is B.

5 0
3 years ago
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