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vitfil [10]
3 years ago
11

If I take a test that is 25% of my grade and I make a 50 on the test

Mathematics
1 answer:
Digiron [165]3 years ago
4 0
C; f would be less.
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Find the value of x.<br><br> log 2 x = 3<br><br> A. 5<br><br> B. 6<br><br> C. 8<br><br> D. 9
Nataly_w [17]

Answer: Option C

x =8

Step-by-step explanation:

To solve this problem use the properties of the logarithms.

We know that the inverse function of y = log_2 (x) is y = 2 ^ x.

So when composing the function with its inverse function we have to:

2 ^ {log_2 (x)} = x.

Now apply this property on both sides of the equation

log_2(x) = 3\\\\2^{log_2(x)}=2^3\\\\x = 2^3\\\\x = 8

the answer is the option C

4 0
3 years ago
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I’m the parking lot at a truck shop there were 6 more cars than 18-wheel trucks. There are 134 wheels in the parking lot. How ma
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112 wheels were in the parking lot
5 0
3 years ago
A survey found that 8 out of 10 parents approved of the new principal’s performance. If 4 parents name are chosen with replaceme
Natasha2012 [34]

Answer:

The probability is 0.044

Step-by-step explanation:

Step-by-step explanation:

Let p be the probability that the new principal’s performance is approved.

This is obtainable from the survey and it is 8/10 = 0.8

Let q be the probability that the new principal’s performance is disproved.

That will be;

1 - q = 1- 0.8 = 0.2

To calculate the probability that 14 parents names are chosen at random and they all

approve of the principal’s performance, we use the Bernoulli approximation of the binomial theorem.

That will be;

14C14 * p^14 * q^0

= 1 * 0.8^14 * 0.2^0

= 0.043980465111 which is approximately 0.044

8 0
3 years ago
I=0.13x+1025 A textbook salesperson's monthly income depends on the amount of his sales. His monthly income is a salary of $1025
Snezhnost [94]

Answer:

l = 0.13x+1025

Step-by-step explanation:

Let the monthly sales be x

Monthly income = $1025 + 13% of monthly sales

Monthly income = $1025 + 0.13x

Since l  represent the monthly income

l = 1025+0.13x

Rearrange

l = 0.13x + 1025

Hence the linear equation representing the statement is l = 0.13x+1025

7 0
2 years ago
Raj plotted point L in the coordinate plane below.
Lorico [155]
Answer: c the x-and y-coordinates are switched
6 0
3 years ago
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