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2 years ago

What is the equation of the line in slope-intercept form?

Mathematics

1 answer:

Mekhanik [1.2K]2 years ago

7 0

Answer:

It's the second option -> y = 1/2x -1

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A washer and a dryer cost $676 combined. The washer costs $74 less than the dryer. What is the cost of the dryer?

Arlecino [84]

Answer: The dryer cost $375.

Step-by-step explanation:

676 - 74 = 602

602/2 = 301

301 + 74 = 375

3 0

3 years ago

What should you do when solving consecutive integer problems

Lemur [1.5K]

Step 1. Identify the variable.
Step 2. Write an algebraic equation.
Step 3. Solve the equation.
Step 4. Answer the equation.
Step 5. Check answer.
Hope this helps...?

3 0

3 years ago

Solve the equation: p-5/p = 3/9

ExtremeBDS [4]

Answer;

p= (1 + sqrt. 181) / 6, (1- sqrt. 181) / 6

Hope this helps!

6 0

3 years ago

a car traveling on the taconic parkway travels 84 miles in two hours . what is cars speed ( a special type of rate ) in miles pe

Alisiya [41]

Speed is the magnitude in a velocity. It is a scalar quantity so it does not have direction unlike velocity which is a vector quantity. Speed and velocity refers to the distance traveled by a moving object per unit of time. We calculate speed as follows:

Speed = distance / time = 84 miles / 2 hours
Speed = 42 miles per hour

7 0

3 years ago

Read 2 more answers

What is the z-score of a newborn who weighs 4,000 g?.

vagabundo [1.1K]

The z-score of the considered newborn having 4,000 g weight is $\dfrac{4000 - \mu}{\sigma}$

<h3>How to get the z scores?</h3>

If we've got a normal distribution, then we can convert it to standard normal distribution and its values will give us the z score.

If we have

$X \sim N(\mu, \sigma)$

(X is following normal distribution with mean $\mu$ and standard deviation $\sigma$ )

then it can be converted to standard normal distribution as

$Z = \dfrac{X - \mu}{\sigma}, \\\\Z \sim N(0,1)$

(Know the fact that in continuous distribution, probability of a single point is 0, so we can write

$P(Z \leq z) = P(Z < z) )$

Also, know that if we look for Z = z in z tables, the p value we get is

$P(Z \leq z) = \rm p \: value$

For the considered case, the statement in the problem is missing the mean weight of the newborn and standard deviation of the data set of weights of newborn.

Thus, for them, we can consider variables in place of their actual values.

Let we have:

X = weights of newborns for some considered system (in grams)
$\mu$ = mean weight of newborns (in grams)
$\sigma$ = standard deviation of the data set of weights of newborns

Then, the z-score for X = 4000 is

$z = \dfrac{x - \mu}{\sigma} = \dfrac{4000 - \mu}{\sigma}$

Thus, the z-score of the considered newborn having 4,000 g weight is $\dfrac{4000 - \mu}{\sigma}$

Learn more about z-scores here:

brainly.com/question/13299273

3 0

2 years ago