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3 years ago

9

What Is 10(x+3/5) =2y Written In Slope Intercept Form ?

1 answer:

kirill [66]3 years ago

5 0

Slope intercept form is written as y = mx + b. Thus, you need to isolate x in your equation.

First: Multiply your 10 into the equation on the left.

10x + 6 = 2y

Second: Divide each side by 2.

5x + 3 = y

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Joseph biked 36 miles in 3 hours. At this same rate, what is the total number of miles Joseph could bike in 5 hours? (somebody p

VikaD [51]

If he went 36 miles in 3 hours, he rode at a speed of 12 miles per hour (36/3=12). So if he rode his bike at that same speed for 5 hours he would go 60 miles (12x5=60).

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3 years ago

What is the value of x if Y=log x & If y=10?

jok3333 [9.3K]

Answer:

x = $10^{10}$

I'm not great at explaining answers like this. Please ask a teacher etc. for a better explanation!

<u>Hope this helps and have a nice day!</u>

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3 years ago

2. How many real number solutions are there to the equation 0 =-3x2 + x - 4?

goblinko [34]

For this case we have the following quadratic equation:

$-3x ^ 2 + x-4 = 0$

Where:

$a = -3\\b = 1\\c = -4$

By definition, the discriminant of a quadratic equation is given by:

$d = b ^ 2-4 (a) (c)$

We have to:

$d> 0:$ Two different real roots

$d$ Two different complex roots

$d = 0:$ Two equal real roots

Substituting the values we have:

$d = 1 ^ 2-4 (-3) (- 4)\\d = 1-48\\d = -47$

So, we have two different complex roots

Answer:

Two different complex roots

7 0

4 years ago

Suppose the population standard deviation is σ = 5 , an SRS of n = 100 is obtained, and the confidence level is chosen to be 98%

beks73 [17]

Answer:

1.165.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.98}{2} = 0.01$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.01 = 0.99$ , so $z = 2.33$

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

In this problem, we have that:

$\sigma = 5, n = 100$ . So

$M = z*\frac{\sigma}{\sqrt{n}}$

$M = 2.33*\frac{5}{\sqrt{100}} = 1.165$

So the correct answer is:

1.165.

6 0

4 years ago

What is the measure of an angle that is it’s own complement ?

ValentinkaMS [17]

A complement is angle that can be added to another to equal 90 degrees.

So two times the same number would equal 90.

90 / 2 = 45

The angle that is its own complement is 45 degrees.

8 0

4 years ago