Answer:
d. 75
Step-by-step explanation:
5^2=25
25x3=75
Answer:
the output would be 75.
Step-by-step explanation:
f(x) = 5
f(5) = 3(5)^2
f(5) = 25 • 3
f(5) = 75
how to write out m/3=3(2m+1)
Answer:
m divided by three equals 3 times two m plus 1.
Step-by-step explanation:
Answer:
a number m divided 3 equals to 3 times the sum of 2 and the number m and one.a number divided by 3 equals to 3 multiplying the sum of that particular number and 2 + 1.HELP PLEASE DUE IN 10 MINUTES!!!!! 15 POINTS
Enter your answer in scientific notation.
1. 3.6 × 10^3 + 7.3 × 10^4 =
2. 8 × 105 − 5.7 × 105 =
Answer:
1. 7.66 x 10^4 (76,600)
2. 2.415 x 10^2 (241.5)
Step-by-step explanation:
1. First just do (3.6 x 10^3) and (7.3 x 10^4) to get 3600+73000 = 76600. In Scientific notation it would be 7.66 x 10^4
2. First do (8 x 105) and (5.7 x 105) to get 840-598.5 = 241.5. In Scientific notation it would be 2.415 x 10^2
Estimate the value of the irrational number (0.6289731...)2. Up to how many decimal digits is the estimation correct? PLS Help
Answer:
5
Step-by-step explanation:
Now we will look at two famous irrational numbers, and e and calculate their approximate decimal expansions. As you may remember, pi is used in geometry and has been around for over 4000 years. It is used to find area of a circle, surface area and volume of a sphere, cone, and cylinder. Its value is used in many real world calculations such as mechanics, architecture, nature, art, and even medicine. The value e is called Euler’s number and is very important in exponential functions such as finance. Let’s approximate the value of these two numbers, e and .
Example 5:
To determine the decimal expansion of , we will use the fact that the number is the area of a unit circle together with counting the total squares inside a circle on a grid. Remember, . The unit circle is a circle with a radius of 1. Since the area of a unit circle is equal to and we will be counting squares, we can decrease our work by focusing on the area of just of the circle. Take a look at the illustrations below to help you understand our premise.
Unit Circle Area using grids
A = (1)2
A = Area of circle = total number of squares inside circle
Let’s take a look at of the unit circle using a 10 x 10 grid. It is difficult to count the number of squares inside the quarter circle because some are not whole squares.
We have inner squares inside the quarter circle, and outer squares outside of the quarter circle. Next, we mark a border inside the circle and outside the circle, as close as possible to the circle. The inside border should enclose all the whole squares inside the quarter circle, (red). The outside border contains all the whole squares within the quarter circle and parts of the squares that are outside the circle (black). Now let’s estimate the area of the unit circle to approximate .
Let r2 equal all inner squares and s2 equal all the squares within the black border and quarter circle. There are 69 inner squares and 89 inner and outer squares. Algebraically, r2 < < s2.
If we consider the area of the square with side length equal to 10 squares of the grid paper, then the area of r2 = and area of s2 = .
Therefore,
r2 < < s2
We know this is accurate because 2.76 < 3.14 < 3.44. Of course we can improve our estimate of by including more of the partial grid squares inside the quarter circle. By combining the partial squares there appears to be about 7 more inside the circle. We then add 7 to the 69. This gives us,
We can reason the same way as before to estimate s2 to 80, instead 86.
We are getting closer to approximating pi. Suppose we divide each square horizontally and vertically instead of having 100 squares, we have 400 squares.
Multiplying by 4 throughout, we have
By looking at partial squares we can estimate r2 = 310 and s2 is 321. Then, the inequality is
We can continue the process to get closer and closer estimates,
3.14159 < < 3.14160
and then continue on to get an even more precise estimate of . By now, we have a very close one already.
We conclude by making one final observation about and irrational numbers. When we take the square of an irrational number such as , we are doing so without knowing the exact value of . Since we can use a calculator to show that 3.14159 < < 3.14160, we also know
3.141592 < < 3.141602
9.8695877281 < < 9.86965056
Notice that the first 4 digits, 9.869 are the same on both sides of the inequality. Therefore, we can say that ^2=9.869 is correct to 3 decimal digits.
Example 6:
Estimate the value of the irrational number (12.03801...)2
Solution:
The estimated value is 144.91 and correct up to 2 decimal digits.
To estimate this, we truncate to one digit higher for the number on the right. Then we square.
12.038012 < (12.03801...)2 < 12.038022
144.91585161 < (12.30791)2 < 144.91825924
The first two decimal places are the same, therefore (12.03801...)2 = 144.91 is correct up to 2 decimal digits.
Example 7:
Estimate the value of the irrational number (9.204107...)2
Solution:
The estimated value is 84.715, which is correct up to 3 decimal digits.
9.2041072 < (9.204107...)2 < 9.2041082
84.715585667449 < (9.204107...)2 < 84.715604075664
(9.204107...)2 = 84.715 is correct up to 3 decimal digits.
Answer:
it is 6 dude
Step-by-step explanation:
if x^2 -y^2=84 and x-y=6 what is the value of x+y ?
Answer:
x = 10
y = 4
Hope this helps :)
Please mark me as Brainliest
Determine the number of significant figures in each of the following numbers
Answer:
9.99999999999999 apk
What is 4/20 + 6/10 =
Sum of the fractions is 4/5.
Given that, 4/20 + 6/10.
What is addition of two fractions?To add fractions there are three simple steps:
Step 1: Make sure the bottom numbers (the denominators) are the same. Step 2: Add the top numbers (the numerators), put that answer over the denominator.
Step 3: Simplify the fraction (if possible)
Now, 4/20 + 6/10
= 4/20 + 12/20
= 16/20
= 4/5
Therefore, sum of the fractions is 4/5.
To learn more about the addition of fractions visit:
https://brainly.com/question/17544795.
#SPJ2
An electrician charges $5 more an hour to work night hours than day hours. At the end of the week, the records showed that electrician worked 32 day hours and 7 night hours. Let x represent the hourly daytime rate.
a) Write an expression (not an equation) that represents the amount of money the electrician made that week from day hours. Express your answer in terms of x only. Do not introduce another variable.
b)Write an expression (not an equation) for the total amount of money the electrician made for the week. Express your answer in terms of x only. Do not introduce another variable. You don't need to simplify your answer.
Answer:
a) 32xb) 32x + 7(x + 5)Step-by-step explanation:
Given
Daytime rate = xNighttime rate = x + 5Day hours = 32Night hours = 7a) Amount of money made for day hours
32xb) Amount of money made for total week
32x + 7(x + 5)
Please I need help!
Answer:
bet can i get your number then
please help me
solve 3x+1/2=3/8+x
Answer:
x= -[tex]\frac{1}{32}[/tex]
Step-by-step explanation:
First move the x on the right side the the left side. Now your equation is
2x+[tex]\frac{1}{2}[/tex]=[tex]\frac{3}{8}[/tex] Next move 1/2 to the right side. Now your equation is 4x=[tex]\frac{-1}{8}[/tex]. Next divide both sides by 4 to isolate "x." Now your equation is x= -[tex]\frac{1}{32}[/tex]
Hope this helped and have a great day.
(brainliest please)
Help me out please thank u
Answer:
Three points determine a plane.
:)
Answer:
Three
Step-by-step explanation:
What is the product in simplest form?
-8/9 • 5/6
A. -1
B. -13/15
C. -20/27
D. -1/5
Which best proves why the expressions 4 (x + 3) + 2 x and 6 (x + 2) must be equivalent expressions?
When x = 3, both expressions have a value of 30.
When x = 5, both expressions have a value of 42.
When x = 1, both expressions have a value of 18, and when x = 8, both expressions have a value of 60.
When x = 2, both expressions have a value of 15, and when x = 6, both expressions have a value of 39.
Answer:
When x=1
Step-by-step explanation:
Solving for both equations by putting them both equal to each other.
Find x if AC = -7+2x, BC =9, and AB = -27 + 3x
Answer:
x = -4
Step-by-step explanation:
AB + BC = AC
-27 + 3 + 9 = -7 + 2x
-27 + 3 + 9 + 7 = 2x
-8 = 2x
x = -8/2
x = -4
If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?
Answer: f(x) = 3
Step-by-step explanation: because if you substitute 2(1) = 2 and 2+1 equals 3.
pleaseeeee help !!!!
Answer:
N=1
Step-by-step explanation:
1/2n+7=n+14/2
Multiply 2 on both sides to get rid of fraction
N+14=n+14
In this situation the answer is automatically 1
Check:
1/2(1)+7=1+14/2?
7 1/2= 7 1/2 ✔️
what is 14.3- 32.24=127.92
14.3p - 32.24 + 32.24 = 127.92 + 32.24
14.3p = 160.16
p=?
Answer: p=11.2
Step-by-step explanation:
14.3p- 32.24 =127.92
14.3p - 32.24 + 32.24 = 127.92 + 32.24
14.3p = 160.16
p = 160.16 ÷ 14.3
p = 11.2
Hope this can help you :)
Answer:
p = 11.2
Step-by-step explanation:
Given equation is :
2.6(5.5p – 12.4) = 127.92
Using the distributive property :
14.3p - 32.24 = 127.92
Using addition property :
14.3p - 32.24 + 32.24= 127.92 + 32.24 (adding 32.24 to the both sides)
14.3p = 160.16
Using division property :
So, the value of p is 11.2
EASY GEOMETRY**
what is the measure of the angle shown.
Answer:
C
Step-by-step explanation:
You know it is an acute angle, meaning that it has to be below 90 degrees.
~theLocoCoco
Answer:
Answer would be C
Step-by-step explanation:
Is continuous 0.23 rational irrational 5 star to who ever helps
Answer:
yessssssssssssssssssssssssssssss
0.4 divided by 2 for class 7 integers
Answer:
0.2
Step-by-step explanation:
[tex]0.4 \div 2 = \frac{0.4}{2} = 0.2 \\ [/tex]
Answer:
Heya!
________________________________
Step 1:
[tex] \frac{0.4}{2} [/tex]
________________________________
Step 2:
[tex] \frac{4}{2 \times 10} [/tex]
________________________________
step 3:
[tex] \frac{2}{10} [/tex]
________________________________
Step 4:
[tex]0.2[/tex]
________________________________
☝️ step by step explanation
⚡ final answer:0.2
hope it helped you:)
Write the number 81 as a power with a base of 3
Answer:
3 to the power of 4
Step-by-step explanation:
3 times 3 times 3 times 3 is equal to 81
Answer:
3 to the fourth power.
Step-by-step explanation:
3x3x3x3=81
Awarding BRAINLIEST! Find the equation of the given line:
Answer:
blank 1 = 1/5
blank 2 = 2
y = 1/5(x)+2
Step-by-step explanation:
We need to find the slope of the line.
Let's choose 2 points. I choose (0,2) and (5, 3)
m = y2-y1/x2-x1
m = (3-2)/(5-0)
m = 1/5
Now that we have the slope, we need to find the y-intercept. The line intersects the y-axis at (0,2) so, the y-intercept is 2.
y = mx + b
y = 1/5(x) + 2
3) What happens when you add a pair of opposites together?
The sum of any integer and its opposite is equal to zero
Hope this helps :)
how do you write this in number form five million, eight hundred twenty-two thousand, nine hundred forty-three
Answer:
5,822,943
Step-by-step explanation: lol
Answer:
5,822,943
Step-by-step explanation:
5,000,000 + 800,000 + 20,000 + 2,000 + 900 + 40 + 3 = 5,822,943
?????????????????????
Step-by-step explanation:
Ummmmm lol the answer is just the expression given
There are 15 fewer runners on varsity track than junior varsity track. If there are 41 runners on junior varsity track, how many are on varsity? x=? runners
Answer:
26
Step-by-step explanation:
just subtract 15 from 41 and you get 26 :)
Answer:
x= 26
Step-by-step explanation:
15 + x = 41
41 -15
x=26
convert into a mixed fraction 2/5+4/5=
Answer:
1 1/5
hope this helps! :D
HAY IN THE MIDDLE OF THE BARN: There are one thousand and forty-one bales of hay in the barn. Farmer John is getting ready for Fall Festival at the Farm to spread it out for social distancing, so he got up this morning and stacked more bales in the barn today. There are now two thousand three hundred and fifty-eight bales of hay in the barn. How many bales did he store in the barn. (a) Write an equation for the scenario (b) Solve the equation and state your answer in a complete sentence.
Answer:
Kindly check explanation
Step-by-step explanation:
Given that:
Initial number of bales of hay = 1041 bales
After stacking more bales in the barn:
Total number of bales after stacking = 2,358 bales
Equation for scenario b
Initial bales + added bales = total number of bales after stacking
Let added bales = b
1,041 + b = 2,357
Added bales = Newly stacked bales:
1041 + b = 2,357
b = 2357 - 1041
b = 1,316
The stacked bales of hay stacked to join the initial is. 1,316 bales
Please help will give BRAINLIEST
If i think about this question right i think its (3x+15)
Step-by-step explanation:
Answer:
(3x + 5) + (x +3) = 180 sum of angles on a
straight line
3x + 5 + x + 3 = 180
3x + x + 5 + 3 = 180
4x + 8 = 180
4x = 180 - 8
x = 172/4
x = 43
PQR = 3x + 5 = 3(43) + 5 = 129 + 5 = 134
8x-9(x-9)=-(9x-16)+9(x-1)
Answer: X=74
if you want to be shown step by step comment below
Plz, help again! & can you explain how to do it
Answer:
6
Step-by-step explanation:
since triangle RSQ is congruent to triangle ABC,
[tex] \frac{10}{4} = \frac{15}{m} = \frac{5}{2} [/tex]
And therefore
[tex]5m = 30[/tex]
(cross multiply)
And m=6