In 10 minutes a heart can beat 700 times. At what rate can a heart beat?

Answers

Answer 1

Heart will beat 140 times in 2 minutes.
Heart beats at a rate of 70 beats per minute.

(How it's done down below)

In 0 minutes heart beats 700 times

hence in 1 minute it will beat 700/10=70 times

and heart will beat 140 times in 140/70=2 minutes

Answer 2
Answer:

Heartbeats at a rate of 70 beats per minute.

Explanation:
In 10 minutes heart beats 700 times

hence in 1 minute it will beat 700 ÷ 10=70 times


Related Questions

What type of number is −0.5/-0.5?

Answers

Final answer:

The number -0.5 divided by itself equals to 1. In general, any number (except zero) divided by itself will always equal to 1.

Explanation:

To find the answer to the given number −0.5/-0.5, you should simply divide the negative number -0.5 by itself (-0.5). Here, a negative number divided by another negative number results in a positive result. Therefore, -0.5/-0.5 equals 1.

In general terms, any non-zero number divided by itself will always equal 1. This is because the division operation is asking 'how many times does this number fit into itself?', and the answer is invariably 'once'.

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Anna has 10 to the 2nd power quarters. Jazmin has 10 to the second power dimes Who has more money, Anna or Jasmine? How much more? Explain

Answers

Anna has 100 quarters and jazmin has 100 dimes 100 dimes are equal to 10.00 and 100 quarters are equal to 25.00 Anna has more

What is the intersection of plane TUYX and plane VUYZ?
I have attached an image with the diagram and answers.

Answers

Answer is UY Because they both connect her causing an intersection


Answer:

A) UY

Step-by-step explanation:

From the given figure, TUYX is one of the side of the rectangular prism and UVYZ  is another side of the rectangular prism.

The both sides are intersecting perpendicular in one edge, that is the line segment UY.

You can see it on the figure.

Therefore, the intersecting line is UY.

find the distance between two points. Round answers to the nearest tenth (1,5), (7,9)

Answers

Final answer:

To find the distance between two points (1,5) and (7,9), you can use the distance formula sqrt((x2 - x1)^2 + (y2 - y1)^2). Rounding to the nearest tenth, the distance is approximately 7.2.

Explanation:

To find the distance between two points, we can use the distance formula:

d = sqrt((x2 - x1)^2 + (y2 - y1)^2)

Using the given points (1,5) and (7,9), we substitute the values into the formula:

d = sqrt((7 - 1)^2 + (9 - 5)^2) = sqrt(36 + 16) = sqrt(52)

Rounding to the nearest tenth, the distance between the two points is approximately 7.2.

If f(x) is discontinuous, determine the reason.
f(x) = {x^2 -4, x<1
          { x+4, x>1

 f(x) is continuous for all real numbers 
The limit as x approaches 1 does not exist
 f(1) does not equal the limit as x approaches 1
 f(1) is not defined

Answers

The function is 

[tex]f(x) = \begin{cases} x^2-4 &\mbox{if } x\ \textless \ 1, \\ x+4 & \mbox{if } x\ \textgreater \ 1. \end{cases}[/tex].

To the left of 1 the function is a quadratic polynomial, to the right, it is a linear polynomial. Polynomial functions are always continuous, so the only candidate point for discontinuity is x=1.

The left limit is calculated with 1 substituted in [tex]x^2+4[/tex], which gives 5.

The right limit, is computed using the rule for the right part of 1, that is x+4. 

Thus, the right limit is 1+4=5.

So, both left and right limits are equal. Now if f(1) is 5, then the function is continuous at 1.

But the function is not defined for x=1, that is x=1 is not in the domain of the function. Thus, we have a "whole" (a discontinuity) in the graph of the function.

The reason is now clear:

Answer: f(1) is not defined

Answer:

F(1) is not defined

Step-by-step explanation:

6.5x – 14.5 = 7.75x – 12

Answers

6.5x – 14.5 = 7.75x – 12              first, get the x's on one side and the numbers  -6.5x   +12    -6.5x    +12              on the other
2.5=1.25x                                     divide by 1.25
2=x

which sets of numbers represent geometric sequences check all that apply

Answers

Set 4,12,36,108 and -5,5,-5,5

Tyra wants to arrange 32 tiles in equal rows and columns. How many ways could she organize the tiles? List the factors

Answers

1,2,4,8, 16, and 32. Hope this helps!
4 and 8
2 and 16 and any other even numbers that go together to make 32

Mr. Li records the measures of the lengths of his students’ handprints. The lengths, in centimeters, are shown in the table.

14.0 , 11.5 , 12.1 , 16.2 , 13.5 , 14.3 , 16.8
12.4 , 13.7 , 12.0 , 14.7 , 15.2 , 11.9 , 15.6
13.8 , 14.2 , 12.5 , 15.0 , 16.0 , 13.1 , 11.7

If the class creates a histogram of the data in the table, how many students are in the range 12 cm to 13.9 cm?

1) 3
2) 4
3) 7
4) 8

Answers

the answer for this question is 8

In the given data set, there are 7 values in the given range.

What is data set?

A data set is a collection of data. In the case of tabular data, a data set corresponds to one or more database tables, where every column of a table represents a particular variable, and each row corresponds to a given record of the data set in question.

Given is a set of data we need to determine how many students are in the range 12 cm to 13.9 cm,

So,

Here we just need to find the number of values between 12cm and 13.9 cm, from the given table, these are:

12.1 cm, 13.5 cm, 12.4 cm, 13.7 cm, 13.8 cm, 12.5 cm, 13.1 cm

So, there are 7 values in the given range, which means that 7 students are in the range of 12cm and 13.9cm.

Then the correct option is 7.

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the denominator of a fraction is five more than twice the numerator. if both of the numerator and denominator are decreased by two,the simplified is 1/3

Answers

Let's write equations to reflect this situation:

d = 2n + 5, and

n-2     1
---- = ---
d-2     3

Let's subst. 2n+5 for d, obtaining:

n-2              1
----------- = ----   Cross multiplying, 3n - 6 = 2n + 3
2n+5-2        3       Then n = 9.  d=2n+5 becomes d=2(9)+5 = 23.

The fraction in question is   9/23.

Note that (9-2) / (23-2) = 7/21 = 1/3 (as specified in the problem statement)

Order these numbers from least to greatest.
14325
,
5.753
,
534
,
5.34

Answers

Hello!

Ordered from least to greatest:

14,325, 534, 5.753, 5.34.

I really hope this helped you out! :)

There are currently 3 students signed up for a trip. The van can transport only 7 students.

Which graph shows all the possible values for the extra number of students that need to sign up so that more than one van is needed to transport them?

Number line with closed circle on 4 and shading to the right.
Number line with closed circle on 4 and shading to the left.
Number line with open circle on 4 and shading to the right.
Number line with open circle on 4 and shading to the left.

Answers

Answer:
Number line with open circle on 4 and shading to the right.

Explanation:

Call x the number of students that need to sign up so that more than one van is neeed to transport them =>
 
x + 3 > 7

=> x > 7 - 3

=> x > 4

That is the numbers greater than 4, withount including the number 4.

That in the number line is the set of numbers to the right of 4, and the open circle is used to indicate that the number 4 is not included (a closed circle would indicate that the number 4 is included, which is not the case).

Answer:

Answer:

Number line with an open circle on 4 and shading to the right.

Explanation:

Call x the number of students that need to sign up so that more than one van is needed to transport them =>

x + 3 > 7

=> x > 7 - 3

=> x > 4

That is the number greater than 4, without including the number 4.

That is the number line is the set of numbers to the right of 4, and the open circle is used to indicate that the number 4 is not included (a closed circle would indicate that the number 4 is included, which is not the case).

Step-by-step explanation:

BRAINLEIEST!!! To make 112 dozen muffins, a recipe uses 312 cups of flour. How many cups of flour are needed for every dozen muffins made? Enter your answer in the box as a mixed number in simplest form.

Answers

Final answer:

To find out the number of cups of flour needed for each dozen muffins, you need to divide the total quantity of flour used by the total number of dozens. Therefore, about 2 11/14 cups of flour are required for each dozen muffins.

Explanation:

To find out how many cups of flour are needed for every dozen muffins made, we need to divide the total amount of flour used by the total number of dozens of muffins. The recipe used 312 cups of flour to make 112 dozens of muffins. So, we divide 312 by 112:

312 ÷ 112 = 2.78571428571429

To convert this to a mixed number in simplest form, you can say that approximately 2 11/14 cups of flour are needed for every dozen muffins made.

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For every dozen muffins made, the recipe requires [tex]\(2 \frac{11}{14}\)[/tex] cups of flour. This is determined by simplifying the ratio of 312 cups of flour needed for 112 dozen muffins to its simplest form.

To find the cups of flour needed for every dozen muffins, we can set up a ratio between the cups of flour and the number of dozens of muffins.

[tex]\[ \text{Cups of Flour} : \text{Dozens of Muffins} \][/tex]

Given that 112 dozen muffins require 312 cups of flour, the ratio becomes:

[tex]\[ \frac{312 \text{ cups}}{112 \text{ dozens}} \][/tex]

Now, simplify this ratio by dividing both the numerator and the denominator by the greatest common factor, which is 8.

[tex]\[ \frac{39 \text{ cups}}{14 \text{ dozens}} \][/tex]

Now, express this ratio as a mixed number in simplest form. Since 39 and 14 share no common factors other than 1, the mixed number is [tex]\(2 \frac{11}{14}\).[/tex]

Therefore, the answer is [tex]\(2 \frac{11}{14}\)[/tex] cups of flour for every dozen muffins made.

There are approximately 3.5 million deaths per year in a country express this quantity as deaths per minute

Answers

hmmm ok... 3.5 million.. or 3,500,000

now, keeping in mind that, there are 365 days in a year(exempting leap-year), and 24 hrs in a day, and 60 minutes in 1hr.

[tex]\bf \cfrac{3500000~deaths}{\underline{year}}\cdot \cfrac{\underline{year}}{365~\underline{day}}\cdot \cfrac{\underline{day}}{24~\underline{hr}}\cdot \cfrac{\underline{hr}}{60~min}\implies \cfrac{3500000~deaths}{365\cdot 24\cdot 60~min} \\\\\\ \cfrac{3500000~deaths}{525600~min}\qquad \approx \qquad 6.6590563~\frac{deaths}{min}[/tex]

One number is four times another number. The sum of their reciprocals is 1/4 . What are the numbers?

Answers

If one number is x the other is 4x. I read the sum of their reciprocals as ¼=1/x+1/(4x).
Multiply through by 4x: x=4+1=5. So the numbers are 5 and 20.

Answer:

The numbers are 5 and 20.

Step-by-step explanation:

To find : What are the numbers?

Solution :

Let the one number be 'x'.

The reciprocal is [tex]\frac{1}{x}[/tex]

The another number be 'y'.

The reciprocal is [tex]\frac{1}{y}[/tex]

One number is four times another number.

i.e. [tex]x=4y[/tex] .....(1)

The sum of their reciprocals is [tex]\frac{1}{4}[/tex].

i.e. [tex]\frac{1}{x}+\frac{1}{y}=\frac{1}{4}[/tex] ....(2)

Substitute (1) in (2),

[tex]\frac{1}{4y}+\frac{1}{y}=\frac{1}{4}[/tex]

[tex]\frac{1+4}{4y}=\frac{1}{4}[/tex]

[tex]4y=20[/tex]

[tex]y=5[/tex]

One number is 4y=4(5)=20.

Therefore, the numbers are 5 and 20.

PLEASE HELP! DUE in 4 hours!

Answers

calculate the slopes

3-0 / -2 - 2 = 3/-4 = -3/4

3 - -4 / -2 - -1 = 7/-1 = -7/1

0 - -4 / 2 - -1 = 4/3


-3/4 and 4/3 are negative reciprocals so this is a right triangle


Answer is A

 

Twelve people join hands for a circle dance. in how many ways can they do this?

Answers

479001600 different combinations

Please help me Estimate 476-269

Answers

 after subtracting  the  two numbers  which would equal  207  you round  which  would 210

The best way to estimate is to round. So, round up for both numbers. ROund the tens place.
476 becomes 480
269 becomes 270
So, to estimate, subtract 270 from 480.
480 - 270 = 210.
So, the estimation would be 210.

The Hampton family has a fish tank holding 10450 ml of water. The water is leaking at a rate of 270ml per minute. Write a function to model this situation

Answers

Ok, lets visualize this scenario. We have a tank that is holding10450 ml of water. Then it tells use it is leaking at a rate of 270 ml per minute. Well, leaking would suggest something is being subtracted. Also, per minute means it is being subtracted each minutes so we use an x to represent the minutes. Ok, lets build the model

10450 - 270x = 0
The model above will tell us how many minutes it will take for the tank to be empty.

If we insert a number for x, the model below will tell us how many ml has leaked for the number of minutes we inserted into x.
10450 - 270x

is a relation a function if it passes through the y-axis twice

Answers

A relation is not a function if it passes through the y-axis twice because to be a function it should only pass through the y-axis once. 
Final answer:

A relation that passes through the y-axis twice is not considered a function. A function, by definition, can only output one 'y' value for each unique 'x' value. This relation fails the 'vertical line test' which checks that each 'x' value only connects to a single 'y' value.

Explanation:

In mathematical terms, a relation is a set of ordered pairs, where each first element is related to the second element. A function, on the other hand, is a special type of relation where every input (or 'x' value) corresponds to exactly one output (or 'y' value).

Now, if a relation passes through the y-axis twice, it means that there are two 'y' values for a single 'x' value (which in this case, is zero). This violates the definition of a function. Hence, a relation that passes through the y-axis twice is not a function. It is simply a relation because it doesn't pass the 'vertical line test' (a vertical line passing through more than one point on the graph of a relation means that the relation is not a function).

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99 POINTS AND BRAINLIEST

ECONOMICS

Economics affects nearly everything we do in some way. Someone else has produced most items we consume, or use, in our daily lives, from food to clothes to music to gas for our cars. Chances are, when we purchase these daily items, we don't question the price with the producer. But in the United States, the interactions between the consumers and producers determine quite a lot in terms of business and economics.

Think about the items and services that you and your family buy or consume. What causes you to pay the prices that you do for these goods and services? What determines the price that's on the price tag? What goes into determining, or setting, that price? Consider all the possible elements that could influence the prices you pay.

Answers

What causes me to pay the prices that I do for these goods and services?: I pay them because I need food, clothes, and need gas so I can go places, and what really causes me is for the need to take care of myself and my family.

What determines the price that's on a price tag?: Its really the value honestly, like for ex a painting, paintings from professionals cost like millions to billions, but just an ordinary painting like from a kid with crayons is like $2, so really its the value that determines, like how good it is and how much people will pay for it.

What goes into determining?: As I said before, its the value basically and also the government taxes as well, to see how much something cost and than adding the price tax to it as well.

Possible elements:? What influences me is that I pay $30-50 for gas so I have no choice honestly, and I do it for the need to because you have to have gas to drive yourself to work, and eat food to live as well, so needs influence people to pay high prices, and the producers know this because they try to raise prices high so more people can buy them and the producers make more money.

Steve is taller than Jon, but Elijah is taller than Steve. Is Elijah taller than Jon?

Answers

yes because he is taller than steve who is taller than jon
Yes, Elijah is taller than Jon, since he is taller than Steve who is taller than Jon. Hope this helps!

how many 3/8 are in 6

Answers

That is 6 divided by 3/8, better written as

6
--
1
====
 3
--
 8

Invert the 3/8 and then multiply:

6      8
-- *   ---
1       3

Reduce 6/3:  6/3 = 2

Then you have 2(8), or 16 (answer)

The number of the fraction 3/8 that we can get in 6, is: 16.

We are asked to find how many of the fraction, 3/8, we will have in 6.

This implies that, what number would we need to multiply with 3/8 to get 6?

To determine this, all we need to do is to divide 6 by the fraction, 3/8.

Thus:

[tex]6 \div \frac{3}{8}[/tex]

To solve this, multiply 6 by the reciprocal of 3/8, which is 8/3

[tex]6 \times \frac{8}{3} \\\\= \frac{6 \times 8}{3} \\\\= \frac{48}{3} \\\\\mathbf{= 16}[/tex]

Therefore, the number of the fraction 3/8 that we can get in 6 is: 16.

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Write a for loop that assigns summedvalue with the sum of all odd values from 1 to usernum. assume usernum is always greater than or equal to 1.

Answers

Firstly, define a variable `usernum` and let's use 10 as an example. Then, define another variable `summedvalue` and set it as 0 initially. This variable will hold the sum of all odd numbers up to `usernum`.

Next, we start a for loop. This loop will go through each number in the range from 1 to `usernum` inclusive. That's why in the range function we provide `usernum + 1` as the second parameter.

Now, for every number `i` in this range, we check whether it is odd. A number is odd if it gives a remainder of 1 when divided by 2. In other words, we're checking if `i % 2` is not equal to 0 (`i % 2 != 0`).

If the current number `i` is indeed odd, we add it to `summedvalue` (`summedvalue += i`). Then, the loop goes to the next number and the process repeats itself until we've considered all numbers from 1 to `usernum`.

Finally, when the loop ends, the value of `summedvalue` is the sum of all odd numbers from 1 up to (and including) `usernum`. Return this `summedvalue`.

In the case of `usernum = 10`, the odd numbers between 1 to `usernum` are 1, 3, 5, 7, and 9. When you add them together, you get 25. That's why in this case, the result will be 25.

how do I solve (7-6i)(-8+3i)?

Answers

i = {2.666666667, 1.166666667
Solution step by step

(7-6i)(-8+3i)
=7×(-8)+7×3i-6i×(-8)-6i×3i
=-56+21i+48i+18i^2
=-56+69i-18×(-1)
=-56+69i+18
=-38+39i

A hospital has three independent fire alarm systems, with reliabilities of 0.95, 0.97, and 0.99. in the event of a fire, what is the probability that a warning would be given?

Answers

.95+.97+.99=2.91
2.91÷3= .97 probability

to find, add all values then divide by the amount of values there are

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

The probability that a warning would be given is 0.97.

What is probability?

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

We have,

A hospital has three independent fire alarm systems, with reliabilities of 0.95, 0.97, and 0.99.

This means,

The probability that one alarm will give a warning = 0.95

The probability that one alarm will give a warning = 0.97

The probability that one alarm will give a warning = 0.99

Combining each of them we get,

0.95 + 0.97 + 0.99 = 2.91

Divide by 3.

= 2.91 / 3

= 0.97

This means,

The probability that a warning would be given is 0.97.

Thus,

The probability that a warning would be given is 0.97.

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....................

Answers

Hi there!

I believe the answers are, -1.25, and 1.25. (or the lines between 1 and 1.5, same with the negative side) Because the absolute value of -1.25 is 1.25. The absolute value of 1.25, is 1.25.

Hope this helped! ☺♥

Will the first digit of the quotient of 2589 divided by 4 be in the hundreds or thousands place? Explain how you can decide without finding the quotient.

Answers

Actually we can directly check if the quotient has equal or one less amount of places than the given number. This can be checked by looking at the number on the biggest place of the dividend, if it is less than the divisor, the answer will have one less digits place. So in this case since the divisor is 4 and the greatest place of the dividend is thousands and the number is 2, so the quotient will be in the hundreds place.

 

Hundreds place

Answer:

Step-by-step explanation:Actually we can directly check if the quotient has equal or one less amount of places than the given number. This can be checked by looking at the number on the biggest place of the dividend, if it is less than the divisor, the answer will have one less digits place. So in this case since the divisor is 4 and the greatest place of the dividend is thousands and the number is 2, so the quotient will be in the hundreds place. 

In Your own words, explain the place-value relationship when the same two digits are next to each other in a multi-digit number

Answers

When 2 digits are next to each other, the place value relationships of both numbers are 10 times greater. Why because in a place value of ones, tens, hundreds, thousands, hundred thousands, etc. The value of ones multiplied by 10 is equals to tens. The value of tens multiply by 10 is equals to hundreds. The value of hundreds multiply by 10 is equals to thousands and the value of thousands multiply by 10 is equals to hundred thousand.

please mark me brainliest 

What expression is equal to (3x^2yz) (5xy^3z^2)

Answers

Your Answer is 15x^3y^4z^3
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