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svetlana [45]
2 years ago
12

Answer this plspls answer​

Mathematics
2 answers:
jolli1 [7]2 years ago
7 0

Answer:

<u>1/12</u>

Step-by-step explanation:

<u>Given</u>

  • 5/14 x 7/30

<u>Solving</u>

  • This can easily be solved by using cross-multiplication
  • If we are given a fraction a/b, it can be rewritten as a x 1/b
  • ⇒ 5 x 1/14 x 7 x 1/30
  • Now combine (7 and 1/14) and (5 and 1/30)
  • ⇒ 7 x 1/14 x 5 x 1/30
  • ⇒ 7/14 x 5/30
  • ⇒ 1/2 x 1/6
  • ⇒ <u>1/12</u>
Helga [31]2 years ago
5 0

Answer:

\dfrac{1}{12}

Step-by-step explanation:

Rewrite the denominators as products of factors, then cancel the common factors.

\begin{aligned}\dfrac{5}{14} \times \dfrac{7}{30} & =\dfrac{5}{2 \cdot 7} \times \dfrac{7}{6 \cdot5}\\\\ & = \dfrac{5 \cdot 7}{2 \cdot 7 \cdot 6 \cdot 5}\\\\ & = \dfrac{1}{2 \cdot 6}\\\\ & = \dfrac{1}{12}{\end{aligned}

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A+b+c=180
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3 0
3 years ago
In a standard normal distribution, what z value corresponds to 17% of the data between the mean and the z value?
hjlf
You're looking for a value z such that

\mathbb P(0

Because the distribution is symmetric, the value of z in either case will be the same.

Now, because the distribution is continuous, you have that

0.17=\mathbb P(0

The mean for the standard normal distribution is 0, and because the distribution is symmetric about its mean, it follows that \mathbb P(Z.

0.17=\mathbb P(Z

You can consult a z score table to find the corresponding score for this probability. It turns out to be z\approx0.4399.
4 0
3 years ago
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faltersainse [42]
1 is 1: 4 equals 2:8
8 0
3 years ago
For what power of q is its value 1?​
DedPeter [7]

Answer:

  0, for q ≠ 0 and q ≠ 1

Step-by-step explanation:

Assuming q ≠ 0, you want to find the value of x such that ...

  q^x = 1

This is solved using logarithms.

__

  x·log(q) = log(1) = 0

The zero product rule tells us this will have two solutions:

  x = 0

  log(q) = 0   ⇒   q = 1

If q is not 0 or 1, then its value is 1 when raised to the 0 power. If q is 1, then its value will be 1 when raised to <em>any</em> power.

_____

<em>Additional comment</em>

The applicable rule of logarithms is ...

  log(a^b) = b·log(a)

4 0
2 years ago
54:20
Karo-lina-s [1.5K]

Answer:

the answer is actually 0

Step-by-step explanation:

8 0
3 years ago
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