Answer:
0.358
Step-by-step explanation:
cos A=28/53 = 58.11
sin B=60/61 = 79.61
sin(79.11 - 58.11) = sin 21 = 0.358
The population of algae in an experiment has been increasing by 5% each day. If there were 5p algae at the beginning of the experiment, predict the number of algae in 7 days. Help asap
Answer:
Number of algae in 7 days = 70.355
Step-by-step explanation:
Given:
Algae in beginning = 50
Rate of increasing = 5% per day = 0.05
Number of days = 7 days
Find:
Number of algae in 7 days.
Computation:
[tex]Number\ of\ algae\ in\ 7\ days = Algae\ in\ beginning(1+Rate\ of\ increasing)^{Number\ of\ days}\\\\Number\ of\ algae\ in\ 7\ days = 50(1+0.05)^7\\\\Number\ of\ algae\ in\ 7\ days = 70.355[/tex]
Number of algae in 7 days = 70.355
Answer:
70
Step-by-step explanation:
Acellus
I need help on this.
Answer:
The question itself is wrong .As u know curly brackets should be inside big brackets.So in other words the first step is wrong.
The correct solving would be
Step-by-step explanation:
Mistake first appears in step no.1
We have to use the BODMAS rule
B=Bracket
O=Of
D=Division
M=multiplication
A=Addition
S=Subtraction
Hope it helps..And the right answer of that expression is 116
Please see the attached picture for the full solution
Hope it helps...
Good luck on your assignment
Which graph represents the function below?
y=
2x if x> 3
-X+9, if x <3
Answer:
A
Step-by-step explanation
Answer:
You're only showing the first option...
Mark takes out a $238,000 mortgage for 30 years. Instead of paying his monthly payment of $1,220.09, he decides to pay $1,420.09. This leads to Mark paying off the entire mortgage in 22 years and 5 months. Mark calculates the percent of the total loan he pays back in interest with and without the extra payments. What is the difference between Mark’s calculated percentages?
a) 8.1%
b) 13%
c) 37.7%
d) 45.87%
Answer:
B
Step-by-step explanation:
Here is a table of values for y = f(x).
х
0 5 10 15 20 25 30 35 40
f(x) 5 6 7
8
9
10 11
12 13
Mark the statements that are true.
O A. f(15) = 8
B. The domain for f(x) is the set (5, 6, 7, 8, 10, 11, 12, 13},
C. The range for f(x) is all real numbers.
D. f(5) = 6
Answer:
D
Step-by-step explanation:
Twice a number plus three times a second number is negative one. The first number plus four times the second number is two.
Answer:
Step-by-step explanation:
The first number is -2 and the second number is 1
Answer:
The first number is -2 and the second number is 1.
Step-by-step explanation:
2n + 3s = -1
(n + 4s = 2)-2 Multiply by -2 to cancel the n
2n + 3s = -1
-2n - 8s = -4 Add these equations together
-5s = -5 Divide both sides by -5
s = 1
Plug this into the first equation to find the value of n
2n + 3(1) = -1 Multiply
2n + 3 = -1
- 3 - 3 Subtract 3 from both sides
2n = -4 Divide both sides by 2
n = -2
Help me out please not the last one but last one
Answer:
d
Step-by-step explanation:
Pythagorean theorem
a^2 + b^2 = c^2
C = 10
a = 6
c^2 - a^2 = 100 - 36 = 64
sqrt. 64 = 8
hope this helps
Answer:
8
Step-by-step explanation:
Use pythagerom therom we know the hypotneusis 10 and the base is 6 so we do 100^2 - 6^2 and get 64 then we take the square root of 64 and get 8
Write an equation in standard form passing through the points (-2, 0) and (-3, -1). I know the answer to the question, but I do not know how to solve this question to get to the answer. I will give the title to whoever gives the most understandable explanation to the question and answer. I will be glad to answer to help you give to create an explanation. Thank you and good luck.
Answer:
[tex]y - x = 2[/tex]
Step-by-step explanation:
Given
Points (-2,0) and (-3,-1)
Required
Equation of Line
The first step is to determine the slope of the line; using the following formula
[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]
[tex]Where\ (x_1,y_1) = (-2,0)\ and\ (x_2,y_2) = (-3,-1)[/tex]
[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex] becomes
[tex]m = \frac{-1 -0}{-3 - (-2)}[/tex]
[tex]m = \frac{-1}{-3 +2}[/tex]
[tex]m = \frac{-1}{-1}[/tex]
[tex]m = 1[/tex]
The next is to determine the equation of the line using any of the points
The formula is as thus;
[tex]m = \frac{y - y_1}{x - x_1}\ or\ m = \frac{y - y_2}{x - x_2}[/tex]
Using [tex]m = \frac{y - y_1}{x - x_1}[/tex]
[tex]Where\ (x_1,y_1) = (-2,0)\ and\ m =1[/tex]
[tex]1 = \frac{y-0}{x - (-2)}[/tex]
[tex]1 = \frac{y-0}{x +2}[/tex]
[tex]1 = \frac{y}{x +2}[/tex]
Multiply both sides by x + 2
[tex](x+2)*1 = \frac{y}{x +2} * (x+2)[/tex]
[tex](x+2)*1 = y[/tex]
[tex]x+2 = y[/tex]
[tex]y = x + 2[/tex]
Subtract x from both sides
[tex]y - x = x - x +2[/tex]
[tex]y - x = 2[/tex]
Hence, the equation of the line in standard form is [tex]y - x = 2[/tex]
Simplify the polynomial-
-3f²+4f-3+8f²+7f+1
Please help!!
I don't understand how to do this or anything with Polynomials really and I really need someone to explain in the easiest way possible!!
As the result of experimental work, a student finds the density of a liquid to be 0.1369 g/㎤. The known density of that liquid is 0.1478 g/㎤. What is the percent error of this student's work? (Round final answer to the nearest tenth if necessary
Answer:
Percent error is [tex]7.4\%[/tex]
Step-by-step explanation:
Given:
As per the result of experimental work, density of a liquid is 0.1369 g/㎤
Known density of the liquid is 0.1478 g/㎤
To find: percent error
Solution:
The density of a substance is defined as mass per unit volume.
S.I. unit is Kilogram per cubic metre.
Error = Actual density - density as per the experiment = [tex]0.1478-0.1369=1.0109\,\,g/cm^3[/tex]
Percent error = ( error/Actual error ) × 100 = [tex]\frac{0.0109}{0.1478}\times 100=7.4\%[/tex]
Kennedy spins the pointer of a spinner. The spinner has four equal sections labeled 1 to 4.
What is the probability the spinner will land on a number less than 5?
Answer:
1 or 4/4
It is certain that the spinner will land on a number less that 5 because the selections are labeled 1 to 4 and the numbers 1 to 4 are less than 5.
in the following triangle theta=60.Find the values of the angles of the angles B and B'
Answer:
A. B = 64.13° or B' = 115.87°
Step-by-step explanation:
The given angle is opposite the shortest of the given sides, so there are two possible solutions using the Law of Sines. Either way, we have ...
sin(B)/16 = sin(θ)/15.4
B = arcsin(16/15.4·sin(60°)) ≈ arcsin(0.899767)
B = 64.13° or B' = 180° -64.13° = 115.87°
Solve the equation 25=7+r
Answer:
r = 18
Step-by-step explanation:
Subtract the seven from both sides
25 -7 = 7 - 7 + r
18 = r
Simple as that!
Hope this helps!
The solution of the given equation is 18.
The given equation is 25=7+r.
The solution of an equation is the set of all values that, when substituted for unknowns, make an equation true.
Transpose 7 to other side of the equation, we get
r=25-7
r=18
Therefore, the solution of the given equation is 18.
To learn more about an equation visit:
https://brainly.com/question/14686792.
#SPJ6
3. Tanya needs to buy dirt for her children's playground.
The dirt costs $8 per ton, and there is a delivery cost
of $12 with each order.
If Tanya needs 5.5 tons, what will the cost be?
C=
Select true or false to tell whether the following disjunctions are true or false. Use the truth table if needed.
5 · 3 = 15 or 7 + 5 = 20
True
False
A- A counter rotation of 270 around the origin
B- A counterclockwise rotation of 90 around the origin
C- A reflection over the x-axis
D- A translation down 5 units
Answer:
Step-by-step explanation:
how do u delete ur answer
Answer:
B- A counterclockwise rotation of 90 around the origin
Step-by-step explanation:
Have a great day!
A hemispherical tank is filled with water and has a diameter of 15 feet. If water weighs 62.4 pounds per cubic foot, what is the total weight of the water in a full tank, to the nearest pound?
Answer:
55135 lbs
Step-by-step explanation:
Please help, thank you!
Answer:
B
Step-by-step explanation:
11 13 18 19 22 25 29 32 37 37 38
find the median (25)
with 11,13,18,19,22 find the middle for that (18) Q1
with 29,32,37,37,38 find the middle for that (37)Q3
Q3-Q1
37-18=19
// ANSWER PLS //
Which of the following statements is TRUE about minor central angles?
a.) The measure of the central angle is less than 180°.
b.) The measure of the central angle is equal to 360°.
c.) The measure of the central angle is equal to 180°.
d.) The measure of the central angle is greater than 270°.
Answer
b.) The measure of the central angle is equal to 360°.
Step-by-step explanation:
The car is moving on a rough road with a constant velocity. Hence, its acceleration is zero. As per Newton 's second law of motion, no net force is acting on ...
The true statement is The measure of the central angle is less than 180°.
The correct option is (A)
What is an angle?A figure which is formed by two rays or lines that shares a common endpoint is called an angle.
If the central angle is less than 180 degrees then the sector is known as a minor sector.
The definition of the minor sector also says that "the central angles of a minor sector is less than 180"
Hence, The central angle of a minor sector is less than 180° is true.
Learn more about this concept here:
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Mary was told that a line goes through the points (1, 3) and (6, -2) and has a slope of 3. A. Explain why the information Mary was given cannot be correct. B. If the given point (1, 3) and the given slope are correct, what is the equation for the line? C. Give the coordinates of another point on the line. D. If the given points are correct on the line, what is the slope? E. Write an equation for the line.
Answer:
Below in bold.
Step-by-step explanation:
A. We can calculate the slope using (y2 - y1) / (x2 - x1)
= (3 - (-2)) / (1 - 6)
= 5/-5
= -1.
So the given slope of 3 or one of the points is NOT correct.
B. If the point (1, 3 ) and the slope are correct then the equation for the line (using the point-slope form) is y - 3 = 3(x - 1)
C Another point on this line would be , when x = 0 , y = 3*-1 + 3 = 0
so it's (0, 0)
D. If the given points are correct the slope is ( as above) = -1.
E. The equation for this line is
y - 3 = -1(x - 1)
y = -x + 1 + 3
y = 4 - x.
what relationship do you see when comparing the equivalent decimal and percent
Answer:
decimal 0.25 percent 25
Step-by-step explanation:
Decimal -divide by 100%
Percent -multiply by 100
will mark bianleast
Which is the correct ordered pair for point F on the graph?
(–5, –5)
(0, –5)
(–5, 0)
(–5, 5)
Answer:
(–5, 5)
Step-by-step explanation:
Start with the x-axis (left and right).
-5 so you go to the left by 5 steps.
Next is y-axis (up and down).
Without moving your spot in -5, you move up by 5 steps.
That is point F.
Tip: (x-axis, y-axis) or (left/right, up/down)
Negative number: Left or Down
Positive number: Right or Up
Write the slope intercept form 2x-3y=9
Answer:
Hope this is correct
which of the following is the proper name for the figure below
Answer:
d
Step-by-step explanation:
you name a triangle by its vertices so the only vertices are J,K and E. so the answer is JKE
Answer:
The answer is option 4.
Step-by-step explanation:
In the diagram, A, O and R are the lengths of the triangle. So the best way to identify the triangle using angles is ΔAKE.
Given: f(x) = x² and g(x) = x + 1, find g[f(-2)].
A. -3
B. 1
C. 5
Answer: C
Step-by-step explanation:
f(x) = x² and g(x) = x + 1
This is composite function, i.e function of a function
g(f(x)) = g(x²), since f(x) = x²
f(-2) = (-2)² = 4
g(f(-2)) = g(4) = 4 + 1 = 5
Richard can mow the lawn three times as fast as Terri. Together, they finish mowing the lawn in 20 minutes. Which of the following equations would describe how many minutes it would take Richard to mow the lawn by himself? a. 1/x+1/3x=1/20 b. 1/x+1/3=1/20 c. 20 (1/x+1/3x)=1/20 d. x+3x=1
Answer:
d it adds the two up and only mutiplys terris amount.
What is 5 1/2 • 2 1/3
Answer:
77/6 or 12 5/6
Step-by-step explanation:
put it into improper fraction
then multiply 11/2 by 7/3
Hello I need help on this question. :)
Answer:
C
(4)+8 = 3(4)
12=12
Step-by-step explanation:
will mark as bianlest plz plz hlpe asap The ____________ is the average distance of all the data values from the mean of the data. quartile interquartile range mean absolute deviation bias
Answer:
mean absolute deviation
The line represented by the equation 3x + 5y = 2 has a slope of - Which shows the graph of
y
..5
5
5
4.
4
4
3+
2
3
2
3
2
+
1
..
2
5
-2-4
1 2 3 4
-3-2-4
-2-
3
-5-4-3-2-14+ 1434
-2
--3-
14
L5
م ر بنه + کا
O
O
Answer:
Step-by-step explanation:
Solve the given 3x + 5y = 2 for y. This will automatically indicate the slope of the line.
Subtracting 3x from both sides of this equation, we get:
5y = -3x = -3x + 2.
Dividing both sides by 5 yields y = (-3/5)x + 2/5.
The slope of the given line is -3/5. The y-intercept of this line is (0, 2/5).
Next time, please share the answer choicess. Thank you.
