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2 years ago

Katie has m dallars. She spends $. How much does she have left? Give your answer in terms of m.

Mathematics

1 answer:

mart [117]2 years ago

6 0

M - $ = amount of money left over

There is not enough information to complete the equation.

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What is the surface area of this figure? Round to the nearest tenth if necessary.

brilliants [131]

THE SURFACE AREA OF THIS FIGURE IS 12ft

8 0

3 years ago

Solve for z.<br> -30 = 5(x+1)

melisa1 [442]

-30= 5 (x+1 )

-5 from 5= 0
-5 from -30= -35

-35= (x+1)

1/-35= -35

6 0

2 years ago

The length of human pregnancies from conception to birth varies according to a distribution that is approximately Normal with me

andrey2020 [161]

Answer:

0.5466

Step-by-step explanation:

Given that the length of human pregnancies from conception to birth varies according to a distribution that is approximately Normal with mean 266 days and standard deviation 16 days.

Let X be the length of pregnancies

X is N(266,16)

To find out the probability that pregnancies last between 240 and 270 days (roughly between 8 months and 9 months)

P(240<x<270)

convert each into Z score as $z=\frac{x-266}{16}$

x=240 means Z = -1.625

x=270 means z=0.25

Required prob

= $P(-1.625$

5 0

3 years ago

When data are collected using a quantitative, ratio variable, what is true about a frequency distribution that summarizes the da

bazaltina [42]

When data are collected using a quantitative, ratio variable, a frequency distribution that summarizes the data is the upper and lower class limits must be calculated is the correct answer.

In this question,

A frequency distribution is used to display the number of observations within a particular interval. It groups data into categories, and records the number of observations in each category.

Frequency distributions are visual displays that organize and present frequency counts so that the information can be interpreted more easily. It is a graphical or tabular representation of data that shows the number of observations within a given value.

It provides the information of the number of occurrences (frequency) of distinct values distributed within a given period of time or interval, in a list, table, or graphical representation.

From the definition, when data are collected using a quantitative, ratio variable, a frequency distribution that summarizes the data is the upper and lower class limits must be calculated is the correct answer.

Learn more about frequency distribution here

brainly.com/question/14866043

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The complete question is as follows,

When data are collected using a quantitative, ratio variable, what is true about a frequency distribution that summarizes the data?

A. A pie chart can be used to summarize the data, B. Upper and lower class limits must be calculated C. Number of classes is equal to the number of variable's values. D. The "5 to the k rule" can be applied.

6 0

1 year ago

I need help with this please

Aleonysh [2.5K]

Answer:

x=5

Step-by-step explanation:

First, let's understand logarithms.

When there is no base given, like in this problem's right side of the equation, the base is automatically 10.

So, let's re-write that.

$\frac{7}{x+2}=log_{10}x+5$

Now, let's test a few of the numbers out. For brevity, I already know it's 3. Let's show you why.

$\frac{7}{5+2} =log_{10}(5+5)\\\frac{7}{7} = log_{10}(10)\\1 = 1$

3 0

3 years ago