The equation for the number of beats per minute is 55 beats per minute
What is an Equation?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the total number of beats be = A
Now , the value of A = 220 beats
The total time required for Sam to have 220 beats = 4 minutes
So , the number of beats of Sam in 1 minutes is calculated by
The equation will be
The number of beats of Sam in 1 minutes is = total number of beats / total time required for Sam to have 220 beats
The number of beats of Sam in 1 minute is = 220 / 4
The number of beats of Sam in 1 minute is = 55 beats per minute
Therefore , Sam would have 55 beats every minute or 55 beats per minute
And for the period of 4 minutes , Sam would have
Number of beats for 4 minutes = number of beats of Sam in 1 minute x 4
Number of beats for 4 minutes = 55 x 4
Number of beats for 4 minutes = 220 beats in 4 minutes
Hence , The equation for the number of beats per minute is 55 beats per minute
To learn more about equations click :
https://brainly.com/question/10413253
#SPJ2
Help help help ASAP I need help
Answer:
20
Step-by-step explanation:
Plug in 3 everywhere there is a y and solve.
(3)^2+2(3)+5
9+6+5
20
domain and range of the function
2.8 in between 3 and 4. I need the answer quick please
Answer:
no
Step-by-step explanation:
2.8 is between 2 and 3.
Answer: False
2 is actually between 2 and 3.
It is near 3, only 2 steps away on a number line.
The answer is false.
Hope this helps!
Tell whether the value is a solution of the inequality.
yes
no
Answer:
Yes I believe so, not 100% sure.
Step-by-step explanation:
For |2x + 1|, the expressions 2x + 1 and –2x – 1 are both zero when _____
Answer:
My grade hasn't even went over this yet,I-
qwq
i feel like i'm du'mb tbh
Sketch a graph of the function f(x) = - (x+2) (x-4) (x-6) by finding the zeroes and determining
the sign of the values of the function between zeroes.
help me 4 + 2p = 10 ( 3/5p - 2)
helpp ! look at the pic help me asap
Find the distance between the two points in simplest radical form.
(3,9)and (0,2)
Answer:
7.62
Step-by-step explanation:
use distance formula
3/8 + (-7/8) As a fraction.
Answer:
7/8 x 3/8 = 21/64 in fraction form. 7/8 x 3/8 = 0.3281 in decimal form.
Step-by-step explanation:
there you go have a good day
Just add across. (3+-7)/8 = -4/8, or -1/2
Which is equivalent to 12/(323)
Answer:
38,76
Step-by-step explanation:
Find the missing measure x° 65°
How many gallons of 25% alcohol solution and 40% alcohol solution must be mixed to get 6 gallons of 30%
alcohol solution?
Answer:
amt of 25% solution to mix=6 gal
amt of 40% solution to mix=3 gal
Step-by-step explanation:
let x=amt of 25% solution to mix
9-x=amt of 40% solution to mix
25%x+40%(9-x)=30%*9
.25x+3.6-.40x=2.7
.15x=0.90
x=6
9-x=3
how many solution 7(y+3)=5y+8
Answer:
there is only one it is y=-6.5
Step-by-step explanation:
In which of the number lines does the plotted point represent a number greater than - 1 1/2? Check all that apply.
Please help . Thank you :)
Answer:
A.) 53°
Step-by-step explanation:
SPR + RPQ =90°
37° + RPQ = 90°
37° - 37° + RPQ = 90° - 37°
RPQ = 53°
What ray is between OC and OA?
Answer:
ob
Step-by-step explanation:
Answer:
OB
Step-by-step explanation:
you can see the ray that is in between OC and OA is OB
1. Sketch a graph of f(x) = (x - 2)(x + 4). Find the y-intercept, x-intercept(s), and the vertex of the graph.
Answer:
y=x2+2x−8
this is all I got sorry
What is required of a proportional relationship that is not required of a general line relationship?
Answer:
Step-by-step explanation:
Pertains to y-intercept is then 0.
It introduces the relationship between two variables and is called correlation. Proportionality or variation is state of relationship or correlation between two variables It has two types: direct variation or proportion which states both variables are positively correlation. It is when both the variables increase or decrease together. On the contrary, indirect variation or proportion indicates negative relationship or correlation. Elaborately, the opposite of what happens to direct variation. One increases with the other variables, you got it, decreases. This correlations are important to consider because you can determine and identify how two variables relates with one another. Notice x = y (direct), y=1/x (indirect)
The ratio of books
to magazines in the
children's section at the
library is 5-2. If there
are 225 books, calculate
the number of
magazines.
50 magazines
because ratio is division and 225/5 is 25 and you multiply the 2 by 25 and you get 50
There are 64 magazines in the library.
What is mean by Ratio?A ratio indicates how many times one number contain in another number. The ratio of two number is written as x : y, which is equivalent to x/y. Where, x and y are individual amount of two quantities. And, Total quantity gives after combine as x + y.
We have to given that;
The ratio of books to magazines in the children's section at the library is 5: 2.
Let number of books = 5x
And, Number of magazines = 2x
Here, There are 225 books in the library.
Hence, We can formulate;
⇒ 5x + 2x = 225
⇒ 7x = 225
⇒ x = 32
Hence, Number of magazines = 2x
= 2 × 32
= 64
Learn more about the ratio visit:
https://brainly.com/question/12024093
#SPJ2
i need answer the right one cuz idk it
Answer:-6x^2-20x
Step-by-step explanation: multiply -2 by all factors
A square has four right angles and four equal sides, so lt Is a regular polygon.
OTrue OFalse
Answer: True
Step-by-step explanation:
because a polygon has equal sides and are easy to measure.
Question 1 (4 points)
Simplify.
9 to the power of 2 and 9 to the power of 7
pls help me out on this!
Answer:
[tex]=-1\frac{5}{9}[/tex]
Step-by-step explanation:
We want to write:
[tex]-1.\bar{5}[/tex]
As a mixed number in the simplest form.
We can use the following algebraic trick. First, we can ignore the negative and add it on the very end. So, we have the number:
[tex]1.55555...[/tex]
Let's let this equal to n. So:
[tex]1.55555...=n[/tex]
Now, we will multiply n by 10^x for the number of repeating digits x.
There is only one digit repeating (the 5). So, we will multiply both sides by 10^1 or just 10. This yields:
[tex]15.55555...=10n[/tex]
Now, we will subtract n from both sides. This yields:
[tex]15.5555...-n=10n-n[/tex]
On the right, we will just get 9n.
However, let's replace n with 1.5555... on the left. This yields:
[tex]15.5555...-1.5555...=9n[/tex]
All of the repeatings 5s will cancel. 15-1 is 14. So:
[tex]14=9n[/tex]
Now, divide both sides by 9. So, our n is:
[tex]n=\frac{14}{9}[/tex]
And since we originally set n to be 1.5 repeating, this is equivalent to:
[tex]n=1.\bar{5}=\frac{14}{9}[/tex]
And now, we can add back the negative:
[tex]-1.\bar{5}=-\frac{14}{9}[/tex]
We can rewrite this as:
[tex]=-(\frac{9}{9}+\frac{5}{9})[/tex]
So, as a mixed fraction, our decimal is:
[tex]=-1\frac{5}{9}[/tex]
And we're done!
3.9-21 helpp please kikiki
Answer:
3.9-21=-17.1
Step-by-step explanation:
3.9-21
3.9+-21
=-17.1
albert bought a jacket for $34.35, a pillow for $11.75, and a glove for $16.25. albert paid $60 and the rest he borrowed from a friend. If albert got $7.65 in change from the cashier, how much did albert borrow from his friend to pay for all the items?
Answer:
$10
Step-by-step explanation:
add all prices subtract $60 then add 7.65
what is the awnser to r(−2)= ?
Answer:
r=2 i think
Step-by-step explanation:
Answer:
Hi there!
If there was supposed to be an attached problem to fill -2 into, PLEASE ATTACH IT!
If not, x= -2 in r(-2)
Evaluate the square root of 677.
Answer:
26.019
Step-by-step explanation:
Answer:
26.01
Step-by-step explanation:
please help me with these questions
will give the brainliest
Urgent
plz answer correctly
help!!!!!!!!!!
need explanation
is a letter or symbol that represents the unknown value (term)
Variable
Step-by-step explanation:
