All categories

3 years ago

Plzzzzzzzzzzzzzzzzzzzzzzzzzzz help me this so easy i just dumd

Mathematics

2 answers:

nignag [31]3 years ago

7 0

Answer:

x is 18.5

Step-by-step explanation:

3/55.50=18.5

same as all the others

nikitadnepr [17]3 years ago

3 0

Answer:

18.5

Step-by-step explanation:

Just add 18.5 and 55.50 and repeat with the other numbers

You might be interested in

For this problem you have to solve for m

salantis [7]

Answer:

Step-by-step explanation:

RZT = 137

RZS = 56

SZT = 137 - 56 = 81

8 0

3 years ago

Read 2 more answers

Problem PageQuestion Calcium levels in people are normally distributed with a mean of mg/dL and a standard deviation of mg/dL. I

SIZIF [17.4K]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The calcium level that is the borderline between low calcium levels and those not considered low is $c = 8.68$

Step-by-step explanation:

From the question we are told that

The mean is $\mu = 9.5\ mg/dL$

The standard deviation $\sigma = 0.5 \ mg/dL$

The proportion of the population with low calcium level is $p =$ 5% = 0.05

Let X be a X random calcium level

Now the P(X < c) = 0.05

Here P denotes probability

c is population with calcium level at the borderline

Since the calcium level is normally distributed the z-value is evaluated as

$P(Z < \frac{c - \mu}{\sigma } ) = 0.05$

The critical value for 0.05 from the standard normal distribution table is

$t_{0.05} = -1.645$

=> $\frac{c - \mu}{\sigma } = -1.645$

substituting values

$\frac{c - 9.5}{0.5 } = -1.645$

=> $c - 9.5 = -0.8225$

=> $c = 8.68$

6 0

4 years ago

Find the equation, in point-slope form, of the line that passes -3 and passes through the point (1,2). plz show your work.

Maslowich

Substitute the given values for the parameters in the point-slope form of the equation of a line. That form is
y - k = m(x - h)
for point (h, k) and slope m.

You have (h, k) = (1, 2) and m=-3, so your equation is
y - 2 = -3(x - 1)

4 0

3 years ago

What is the sum of 6/12 and 1/2

Degger [83]

Answer:

1/2

Step-by-step explanation:6/12 is 1/2 of the fraction meaning that 6/12 is = to 1/2.

4 0

3 years ago

Read 2 more answers

The product of 8 and the difference between a number and 9 is 96. what is the number?

Tomtit [17]

The number is 21. First you should divide 96 by 8 to find the 'product' that it talks about. That number is 12. So the product of 8 and 12 is 96. But, then you have to find the difference between a number and nine that makes 12. Easy! Just add 9 and 12, and you get 21 as your answer!

3 0

3 years ago