Answer:
The number is 17.
Step-by-step explanation:
Let x be the unknown number.
4 times the sum of a number plus 7 would be
4x + 7
44 less than the unknown number (x) would be
x - 44
Now we connect everything.
4x + 7 = x - 44
4x - x = -44 - 7
3x = -51
x = -17
The algebraic representation of the expression is 4(x + 7) = x - 44
How to determine the algebraic representation of the expressionFrom the question, we have the following parameters that can be used in our computation:
four times the sum of a number and 7 is 44 less than the number
By definiton:
Sum means plus
Less than means minus
Using the above as a guide, we have the following:
4 * (x + 7) = x - 44
So, we have
4(x + 7) = x - 44
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PLEASE HELP ITS MATH THANK YOUUUU
Let f(x)=3(12)2x. Which is equal to f(2)?
Answer:
f(2) = 144
Step-by-step explanation:
Unless there is something I don't see (quite possible), the question is 3*12*2
multiplied by x
3*12 * 2 = 72 so the question simplifies to f(x) = 72x
f(2) = 72(2)
f(2) = 144
Determine whether the first system of equations is equivalent to the second system of equations. Explain.
3x + 5y = 1
18x + 30y = 6
2x-6y=38 10x - 30y = 190
Answer:
1 Answer: Since these two lines are the same line, they have infinite solutions Answer: So first thing you gotta do is multiply the first equation by 5. Your first equation will be. Since these two lines are the same line, they have infinite solutions.
Another Answer: You would have to multiply either equation in order to get one of the variables to cancel.
I would multiply the first equation by -5.
-5(3x + 6y = -2)
-15x -30y = 10
15x + 30y = -10
0 + 0 = 0
Since everything cancels and the equation is true, the solution is Infinitely many solutions, or all real numbers.
Step-by-step explanation:
When 5 is divided by 0.35, the result is closest to…
A: 13.7
B: 13.8
C: 14.2
D: 14.3
WORK MUST BE SHOWN
Answer: The answer is C. 14.285714
4. The midpoint of VW is M-1, -2). One endpoint is W(4.4). Find the coordinates
of endpoint V.
See
Step-by-step explanation:
The distance formula is used to find the distance between two points in the coordinate plane.
Can someone explain to me how to do this
Step-by-step explanation:
The square root of 4 is simply just 2 or in other words, 4–√
= 2. It is one of those numbers which have a perfect square number. Since it is a perfect square number, the square root of 4 can be found easily.
What does LCM mean in mathematics
Answer:
Lowest common factor.......
solve 276x28 using the standard algorithm
Answer:
7728
work is shown in the image I attached!!
Find the Secant <H
see photo for answer instructions
Answer:
for angle H ,
hypotenuse = gh( √77)
adjacent side= ih( √35)
perpendicular=gi( √42)
then
we know
secant=hypotenuse /adjacent
=√77/√35
solve for x: 3-2(2x-5)<-4(x+2)
Answer:
no solution
Step-by-step explanation:
to solve this we should first distribute
3 - 4x + 10 < -4x - 2 (fyi you need to multiply the negatives into the parenthesis)
and then you combine like terms
13 < -2
because 13 is always greater than -2, this statement will never be true
Answer:
x ∈ ∅Step-by-step explanation:
3 - 2(2x - 5) < - 4(x + 2)3 - 4x + 10 < -4x - 813 - 4x < -4x - 813 < - 8This inequality is false hence no solution
What is 6 times 1/3.........................................
Answer:
2
Step-by-step explanation:
Answer:
the answer is 2
Step-by-step explanation:
- the linear graph for the equation y = 3x + 1
Answer:
sda
Step-by-step explanation:
sad
Answer:
Step-by-step explanation:
Which option is an example of an experiment?
A. Testing the effectiveness of a new reading program by allowing a
classroom to use it and comparing the results with another classroom that doesn't use it
B. Asking students in a school how much time they spend exercising
C. Measuring the heights of the players on the basketball team
D. Randomly choosing 100 customers and asking them to fill out a questionnaire about the quality of service they received
A. Testing the effectiveness of a new reading program by allowing a
classroom to use it and comparing the results with another classroom that doesn't use it
What is an experiment?An experiment is a technique used to confirm or deny a hypothesis, as well as assess the likelihood or effectiveness of something that has never been tried before. Experiments show what happens when a specific factor is modified, which sheds light on cause-and-effect relationships.
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Find the solution of the system of equations. 10x + 8y = 42. -8x - 8y = -40
If a car travels 200km in 2.5 hours, how far would it travel in 6 hours at the same rate of speed?
Answer: 480
Step-by-step explanation:
To solve this, you need to set up a proportion: 200/2.5 x/6
The 200 represents the km, and the 2.5 and 6 represent the hours. You can either solve this by multiplying 200 by 6 and setting it equal to 2.5 by x then solving for x, or you can find the rate the car travels in km in one hour. To do that, you divide 200 by 2.5 and get 80: this is your km per hour. Then you multiply that to 6 to see how far the car will go in 6 miles if it continues at the speed of 80 km per hour.
Answer:
Answer: 480 km
Step-by-step explanation:
As we know that if we keep speed or velocity constant, distance is directly proportional to time.
• In the first case:
[tex]{ \rm{d_{1} = kt _{1}}}[/tex]
d1 is 200 kmt1 is 2.5 hoursk is a constant of proportianality• Substitute the variables with their respective values to find the value of constant, k
[tex]{ \rm{200 = (k \times 2.5)}} \\ \\ { \rm{k = \frac{200}{2.5} }} \\ \\ { \underline{ \rm{ \: \: k = 80 \: km {h}^{ - 1} \: \: }}}[/tex]
• In the second case
[tex]{ \rm{d _{2} = kt _{2} }}[/tex]
d2 is what we needt2 is 6 hoursk is 80 kmh-¹[tex]{ \rm{d _{2} = (80 \times 6)}} \\ \\ { \boxed{ \boxed{ \rm{ \: \: d _{2} = 480 \: km \: \: }}}}[/tex]
what is the standard form of this equation y=6x+13
Answer:
- 6x + y = 13Step-by-step explanation:
The standard form is:
ax + by = cConvert the given into standard form:
y = 6x + 13- 6x + y = 13Identify the terms and like terms in the expression.
T + 8 + 3t =
Answer:
3t and T are like terms
8 is an unlike term
For which of the following sets of data should a stacked bar chart be
used?
The average golfers vs the average age of tennis players
The number of white cars vs, the number of white trucks
The total number of planes landing at O’Hare Airport categorized by type
The average age of male high school grads vs. the age of female graduates
Answer:
the number of white cars vs the number of white trucks
C: The total number of planes landing at O’Hare Airport categorized by type is the answer
What is a set of data?the dataset is a collection of numbers connected by theme. There are three ways to work with datasets: mean, median, and mode. The mean is the average of the dataset, the median is the median of the dataset, and the mode is the number or value that occurs most often in the dataset.
Standard deviation of a data set is the square root of the calculated variance of a set of data. The formula for variance (s2) is the sum of the squared differences between each data point and the mean, divided by the number of data points.
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Mallory has $9 to buy lollipops that cost $0.35 each. What is the greatest number of lollipops she can buy?
Jim is cutting up apples to serve. 1/3 of an apple to each of the 8 people at the meeting. How many apples Jim need to serve?
Answer:
Jim needs three apples.
Step-by-step explanation:
1/3 x 8 =
8/3 =
2 and 2/3
Round up to three apples.
[tex]2\frac{2}{3}[/tex] apples Jim need to serve.
What is Expression?An expression is combination of variables, numbers and operators.
Given that Jim is cutting up apples to serve.
1/3 of an apple to each of the 8 people at the meeting.
We need to find the number of apples Jim need to serve.
1/3 of an apple to each of the 8 people.
We have to use multiplication to find this as there is a off in the sentence.
1/3×8
8/3
[tex]2\frac{2}{3}[/tex]
Hence, [tex]2\frac{2}{3}[/tex] apples Jim need to serve.
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PLS HELP
2. Write a quadratic function to the model to the graph to the right
Actividad 3 Colorea las partes de las figuras como se te indican y contesta
Answer:
bshshdjdjjshdbbennjsnsvxhsbnana
Sophie has $200 in a savings account that earns 5% annually. The interest is not
compounded. How much will she have in total in 1 year?
Answer:
$210
Step-by-step explanation:
Formula:
P = A (1 + r% x t)
P: Answer
A: Original value
R%: Percentage increase
T: Time
P = 200 (1 + 5% x 1)
P = $210
Pre-calc: Write a degree 3 polynomial with zeros 2, 4, -3
Answer:
x³-3x²-10x+24
Step-by-step explanation:
Ha, you're in luck; I just learned this last week
Zeros: 2, 4, -3
(x-2)(x-4)(x+3) (I will be multiplying the zeros 2 and 4 first) ——Distributive Property
(x²-4x-2x+8)(x+3) ––Combine like terms
(x²-6x+8)(x+3) ––Distibutive Property
x³+3x²-6x²-18x+8x+24 ––Combine like terms
x³-3x²-10x+24 ––Final answer, to the third degree
Hello, please help me out on this, I really need help (:
15 tenths 3 ones
total of 153
is (1,4) a solution to this system of inequalities? 11x + y < 19 8x + 3y < 11
Answer:
Since Inequality #1 was false, or not a solution, this shows that (1, 4) is not a solution.
Step-by-step explanation:
1)
[tex]11x+y<19\\y<19-11x\\[/tex]
2)
[tex]8x+3y<11\\3y<11-8x\\y<3\frac{2}{3}-2\frac{2}{3}[/tex]
Try Our Solutions:
1)
[tex]y<19-11x\\Substitute: (1, 4)\\4<19-11(1)\\4<19-11\\4<8\\False[/tex]
An item is regularly priced at $50. It is on sale for 30% off the regular price. How much (in dollars) is discounted from the regular price?
Answer:
Hii, okay so you pay $35 dollars and you're saving $15. Hope this helps!
Step-by-step explanation:
The discounted amount is $15.
What is discount?A discount is an amount that is subtracted from the regular price of an item.
How to obtain the required amount?Regular price of the item is $50
Discount percentage is 30%
∴ The discounted value = 30×50/100 = 15
Thus, The discounted amount is $15.
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A DNA sequence can be represented as a string of the letters ACTG (short for adenine, cytosine, guanine, and thymine). How many DNA sequences are exactly 29 letters long?
To solve that question we can think by the following way:
The first letter can be any of the letters (A, C, T or G). Therefore there are 4 possibilites.To choose the second letter of the sequence, any letter also can be chose. So, one more time, there are 4 possibilites.Using the fundamental principle of counting, we will find out that can be formed [tex]4\times 4 = 16[/tex] differents sequences (for example, AA, AG, TT, TG, CT...).
Know we know that, we can generalize. If I have [tex]n[/tex] elements and I must choose one of them [tex]t[/tex] times to do a sequence, the total number of sequence that I can form will be [tex]n^t[/tex].
In our question, we want to know how many DNA sequence are exactly 29 letters long. As indicated above, the answer for that is [tex]4\times 4\times 4\times ... \times 4[/tex] (29 times) [tex]= 4^{29}[/tex].
Therefore, there are [tex]4^{29}[/tex] DNA sequences with exactly 29 letters long.
I hope I've helped you. =D
Enjoy your studies. \o/
are of a trapuiezuim
Answer:
yay girl I like it like that
Find Each Quotient.
1.6÷13.8
Answer:
8/69
Step-by-step explanation:
1.6÷13.8
convert the decimal into fraction so 8/5 ÷ 13.8 and 8/5÷69/5 multiply by the reciprocal and reduce the number and you will get 8×1/69