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3 years ago

13

There are 7 red cards and 13 blue cards in a deck of cards. If Chayse randomly selects a card from the deck, what is the probabi

lity that it is a red card?

1 answer:

True [87]3 years ago

8 0

Answer:

35%

Step-by-step explanation:

There is a 7 in 20 chance of the card being red

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36 of 80 marbles are blue. What percent of the marbles are blue

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If 36 of 80 marbles are blue, then the percent of marbles that are blue is 44% i think

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3 years ago

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Given that the measure of ∠x is 149°, and the measure of ∠y is 110°, find the measure of ∠z.

Rom4ik [11]

Answer:

∠z is 79°

Step-by-step explanation:

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2 years ago

Once each day, Erika tracks the depth of the water in her local creek. Her first nine measurements, in inches, are: 16, 15, 13,

solniwko [45]

Answer:

Median = 13

Step-by-step explanation:

We are given the following data:

16, 15, 13, 12, 17, 14, 11, 9, 11

Formula:

$Median:\\\text{If n is odd, then}\\\\Median = \displaystyle\frac{n+1}{2}th ~term \\\\\text{If n is even, then}\\\\Median = \displaystyle\frac{\frac{n}{2}th~term + (\frac{n}{2}+1)th~term}{2}$

Sorted data: 9, 11, 11, 12, 13, 14, 15, 16, 17

Median =

$=\dfrac{9+1}{2}^{th} = 5^{th}\text{ term} = 13$

Thus, the median of the given data is 13.

4 0

3 years ago

Given loga (m) = 10 and loga (n) = 25 , find loga (m * n ^ 2)

mina [271]

The result of the log function $log_a (m * n ^ 2)$ is 60

According to the law of logarithm if $log_ab=y$ then $b=a^y$

Given the following expressions

$log_am=10\\log_an=25$

This can be expressed as

$m =a^{10} \ and \ n = a^{25}$

Substitute the value of m and n into the expression $log_a (m * n ^ 2)$ to have:

$log_a (m * n ^ 2) = log_a(a^{10}\times a^{50})\\=log_aa^{60}\\=60log_aa\\=60(1) \\= 60$

This shows that the result of the log function $log_a (m * n ^ 2)$ is 60

Learn more here: brainly.com/question/12049968

6 0

2 years ago