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tankabanditka [31]
3 years ago
13

What is the value of 19 + 5a4 – 3b2 when a = 2 and b = −4?

Mathematics
1 answer:
densk [106]3 years ago
7 0
19 + 5a⁴ - 3b²
19 + 5(2)⁴ - 3(-4)²
19 + 5(16) - 3(16)
19 + 80 - 48
99 - 48
51
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140% of what number is 35?
Elodia [21]
In order to solve this, all you have to do is divide 35 by 1.4 (because you need to move the decimal places over to the left two places when changing from a percentage to a decimal.) When you do that, you get 25, so 35 is 140% of 25. I hope this helps! :)
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3 years ago
Suppose that two cards are randomly selected from a standard​ 52-card deck. ​(a) what is the probability that the first card is
eduard
<span><span>You draw a queen on the first draw and one on the second<span><span><span>4/52 </span>∗ <span>3/51 </span>= <span>12/2652 </span>= <span>1/22 </span></span></span></span><span>
You draw something other than a queen on the first draw and a queen on the second<span><span><span>
48/52 </span>∗ <span>4/51 </span>= <span>192/2652</span>=<span>16/221</span></span></span></span></span>

So in total, the chance is:

<span><span><span>1/221 </span>+ <span>16/221 </span>= <span>17/221</span>=
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8 0
4 years ago
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irinina [24]

Answer:

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3 years ago
If ƒ(x ) = 3x + 1, then ƒ(a + h ) - ƒ(a ) =
Brrunno [24]

Answer:

If ƒ(x ) = 3x + 1, then ƒ(a + h ) - ƒ(a ) = 3h

Step-by-step explanation:

Given ƒ(x ) = 3x + 1, then to calculate  ƒ(a + h ) - ƒ(a ), you need to replace "x" for (a + h) and a, respectively.

So...

f(a +h) = 3(a + h) + 1

and

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Then

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3 years ago
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The answer is 6,992 :)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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