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Ronch [10]
2 years ago
14

A tape diagram. 0 dollars is 0 percent. Question mark dollars is 35 percent. 49 dollars is 100 percent.

Mathematics
2 answers:
Leno4ka [110]2 years ago
8 0
$31.85
$49 multiply by .35 = 17.15
$49-17.15 = $31.85
stiks02 [169]2 years ago
4 0

Answer:

B

Step-by-step explanation:

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  1. <u>How to calculate percentage of a number. Use the percentage formula: P% * X = Y</u>

  1. <u>Convert the problem to an equation using the percentage formula: P% * X = Y.</u>
  2. <u>P is 10%, X is 150, so the equation is 10% * 150 = Y.</u>
  3. <u>Convert 10% to a decimal by removing the percent sign and dividing by 100: 10/100 = 0.10.</u>

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7 0
2 years ago
15. Explain why we need to specify 0 &lt; b &lt; 1 and b &gt; 1 as valid values for the base b in the expression logb(xx).
damaskus [11]

Answer:

The base (b) has to be positive and different of 1. The logarithm is the inverse of exponential, so:

logb(a) = x ⇒ a = bˣ

So, for b = 0 ⇒ 0ˣ = a

And there is impossible, "a" only could be 0.

For b = 1 ⇒ 1ˣ = a

And the same thing would happen, the logarithming would be to be 1, and the function will be extremally restricted.

For b<0, then the expression a = bˣ will be also restricted, and will not represent all values of a.

So, 0<b<1 and b >1.

3 0
3 years ago
What is the value of x? Enter your answer in the box. x =
Evgesh-ka [11]
X^2 = 24^2 + 7^2
x^2 = 576 + 49
x^2 = 625
x = 25

8 0
3 years ago
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Step-by-step explanation:

2,000 times 5 is 10,000

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