The sides of a square field are 28 meters. A sprinkler in the center of the field sprays a circular area with a diameter that corresponds to a side of the field. How much of the field is not reached by the sprinkler? Round your answer to the nearest hundredth. Use 3.14 for π.
Answer:
168.24784 m²
Step-by-step explanation:
Area of the square:
28 x 28=784 sq. m.
Area of the circle:
π(r²)=π(14)²=196π
=615.75216
Area not covered by the sprinkler:
784-615.75216=168.24784 m²
Answer:
The sprinkler does not reach 168.56 m² of the field.
Step-by-step explanation:
Find the circular area sprayed by the sprinkler.
A = πr² Use the formula.
A = π(14)² Substitute. Use 14 for r.
A ≈ 3.14 × 14² Substitute. Use 3.14 for π.
A ≈ 3.14 × 196 Evaluate the power.
A ≈ 615.44 Multiply.
The area of the circular area is about 615.44 ft².
Find the area of the square field.
A = s² Use the formula.
A = 28² Substitute. Use 28 for s.
A = 784 Evaluate the power.
The area of the square field is 784 m².
Find how much of the field is not reached by the sprinkler. Subtract the circular area sprayed by the sprinkler from the area of the square field.
784 − 615.44 = 168.56
Bob's Gift Shop sold 750 cards for Mother's Day. One salesman, Bella, sold 2% of the cards sold for Mother's Day. How many cards did Bella sell?
Answer:
3
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
(750÷100)2=15
750÷100=1%
PLEASE I'M BEING TIMED!! WILL GIVE BRAINLIEST>
The system of equations y = –2x + 1 and y = x + 5 is shown on the graph below.
On a coordinate plane, 2 lines intersect around (negative 1.3, 3.8).
Which statement is true about the solution to the system of equations?
The x-value is between –1 and –2, and the y-value is between 3 and 4.
The x-value is between 3 and 4 , and the y-value is between –1 and –2.
The x-value is between 1 and 2, and the y-value is between –3 and –4.
The x-value is between –3 and –4, and the y-value is between 1 and 2.
Answer:
A i think
Step-by-step explanation:
45% of 40 is what number
Answer:
18
Step-by-step explanation:
Answer:
Your answer is 18
Step-by-step explanation:
The way to get the answer is...
is over of=percent over 100
so for this situation it would look like this...
[tex]\frac{x}{40}[/tex] = [tex]\frac{45}{100}[/tex]
Cross multiply and you will get...
1800 = 100x
get x by itself, so divide 100 by both sides
So you get
x=18
I hope this helps you. Have a great day and good luck! :)
Which relation is a function?
Question 1 options:
{(3,2), (5,8), (3,−4)}
{(−1,6), (−2,7), (−3,6)}
{(5,7), (12,−3), (5,6), (12,7)}
{(3,5),(3,6)}
y = 2x²- 5x + 2
determine the x value for the vertex and whether this value is a maximum or a minimum
a. maximum at x = -1.25
b. maximum at x = 1.25
c. minimum at x = -1.25
d. minimum at x = 1.25
Answer: D
Explanation:
Use the vertex formula, -b/2a. Because the quadratic formula is ax^2+bx+c, -b would be 5 in this case and a would be 2 in this case. Plug the numbers in and you get 5/4. The AOS or vertex would be 5/4 or 1.25. Because the a-value is a positive in this equation, the parabola would have a minimum.
Expand this question: 6(x - 4y)
What is 2+2? xd noob
Answer:
4
Step-by-step explanation:
You can count on your fingers if you need to or use a calculator.
Answer:
2+2 is 4
Step-by-step explanation:
Which pair of triangles MUST be similar?
A. Triangle 5 has a 25 degree angle and a 75 degree angle. Triangle 6 has a 25 degree angle and a 70 degree angle.
B. Triangles 1 and 2 each have a 40 degree angle.
C. Triangle 7 has a 40 degree angle and a 35 degree angle. Triangle 8 has a 40 degree angle and a 105 degree angle.
D.Triangles 3 and 4 are both scalene. Each have a 65 degree angle.
Answer:
C
Step-by-step explanation:
The total measurement of a triangle is 180
Triangle 7 has a 40 degree angle and 35 degree angle.
40+35=75
180-75=105
Triangle 8 has the same angle that is 40 degrees and 105. And if you do the same math, you would get 35 for the missing angle of triangle 8
x + 4 = -14 im frustraded i need an answer haha hewpppp
Use the graph below for this question: A 6 4 3 What is the average rate of change from x = -1 to x = -2? (1 point) 2 - 2 4 -1
Answer:
- 2
Step-by-step explanation:
The average rate of change of f(x) in the closed interval [ a, b ] is
[tex]\frac{f(b)-f(a)}{b-a}[/tex]
Here [ a, b ] = [ - 2, - 1 ] , then
f(b) = (f(- 1) = 5 ← corresponding value of y (- 1, 5 )
f(a) = f(- 2) = 7 ← corresponding value of y (- 2, 7 ) , thus
average rate of change = [tex]\frac{5-7}{-1-(-2)}[/tex] = [tex]\frac{-2}{1}[/tex] = - 2
i need help !! asap please !!!
5. Which of the following is a good strategy to solve this problem?
"Jane has saved $240 to spend on gifts this year. She is planning to spend $96.00 on gifts for her parents, $18.00 on gifts for each of her two brothers, and $44.00 on gifts for her grandmother. How much money will she have left after buying the gifts?"
A. draw a picture
B. make a list
C. write an equation
D. any of these would work
Answer:
C. or D.
Step-by-step explanation:
It depends on the person to be honest, however in this situation an equation is the best route.
Answer: C is the best as choice A is just plain out wrong.
Find the GCF of 6x+4 and divide
What is the solution to the system of linear equations graphed below?
Will give BRAINLEST
Answer:
C.
Step-by-step explanation:
Your answer is C because that is where the lines meet.
Answer:
it 1/2,4
Step-by-step explanation:
will give brainliest
Answer:
D
Step-by-step explanation:
Protect economic freedom, so that a strong central government couldn't stop them from doing what they wanted to earn money.
***I hope this answer's correct. Plz lmk!!!
Answer:
C I think because it makes most sence sorry if wrong answer
Step-by-step explanation:
( I think this would be a diferent subject just saying)
hope this helps
Solve the system.
3x=y+2
3x+2y=5
The solution is ____
Explain your choice of method.
Answer:
(1, 1)
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Algebra I
Solving systems of equation using substitution/eliminationStep-by-step explanation:
Step 1: Define Systems
3x = y + 2
3x + 2y = 5
Step 2: Rewrite Systems
3x = y + 2
Subtract 2 on both sides: 3x - 2 = yRewrite: y = 3x - 2Step 3: Redefine Systems
y = 3x - 2
3x + 2y = 5
Step 4: Solve for x
Substitution
Substitute in y: 3x + 2(3x - 2) = 5Distribute 2: 3x + 6x - 4 = 5Combine like terms: 9x - 4 = 5Isolate x term: 9x = 9Isolate x: x = 1Step 5: Solve for y
Define equation: 3x + 2y = 5Substitute in x: 3(1) + 2y = 5Multiply: 3 + 2y = 5Isolate y term: 2y = 2Isolate y: y = 1Amy said 49 of her teammates got hits during a recent softball game. Which decimal represents this same amount?
A.
0.49
B.
0.444
C.
0.444
D.
0.49
Which equation matches the relationship shown in the table?
Answer:
s = 2r + 1.5
Step-by-step explanation:
Slope = 2
y-intercept: (0, 1.5)
find the surface area of the cylinder using pie.
Answer:
≈1130.97336 yd
Step-by-step explanation:
the formula to find the surface is A= 2 π r h + 2 π r 2
where r is the radius and h the height. you subsitute it with your value.
r = 9 yd and h = 11 yd
so, A= 2 π r h + 2 π r 2 = 2 x π x 9 x 11 + 2 x π x 9^2 ≈ 1130.97336 yd
pls help answer quick and do NOT WASTE MY POINTS
Answer:
points waisted
Step-by-step explanation:
Answer:
Yeah its parallel
Step-by-step explanation:
I would waste your points, but nah. Anyways, its parallel
if u can guess my number between 1-5 I will give brainliest :)
Answer:
6 I guess.
Step-by-step explanation:
6 I guess.
guess
Which is the graph of x-y=1
Answer:
here you go! :)
hope it helps!
Step-by-step explanation:
A family has four daughters, Molly, Daisy, Rosie and Tilly.
• Daisy is six years older than Molly.
• Molly is four years younger than Tilly.
• Rosie is one year older than double Molly's age.
• The total of their ages is 51.
Find the age of each of the four girls.
Answer:
Read Below
Step-by-step explanation:
Rosie 17
Daisy 14
Tilly 12
Molly 8
Answer:
these questions are in maths???
oh my gwad....
Find the length of each arc.
Answer:
34/3 pi
Step-by-step explanation:
We can find the arc length by
s = r theta where theta is in radians
Change 255 to radians
255 * pi/180 = 17/12 pi
s = 8 * 17/12 pi
s = 34/3 pi
Can someone explain Slope to me? I literally have no idea what is from my teacher or from Aleks. I don't get what y1 and y2 are and i don't get what rise or run is. I have no idea how to get slope (brainliest for whoever explains a function too)
Yeah, I know Alex sucks. SO slope is the change in Y over x. So to find slope for ex. is lets use points (8,4) and (6,5) the equation to find slope is Y2-Y1 over X2-X1 or Y2-Y1 / X2-X1 and that basically the y's on the points you have. In this case it will be 4 and 5 since y always comes second or after the x. What I like to do is this X1(8), Y1(4) and X2(6), Y2(5). After you have that set up you just put them in the equation it will be 5-4/6-8 which is -1/2 use calculator. So Y is the y-axis and X is the x-axis.
Function is when every input(x) has only one output(y) . For example if we have the table
X,1 , 4 , 5, 9, 10 this is not a function because the -3 has both 9 and 10 for an output.
Y,2, 6 ,6, -3 , -3
A function will look more like this
1 2 3 4 5 6
2 4 6 8 10 12 every output has only one input
I recommend to watch Brian McLogan on youtu he can really help. Just search anything then his name. Or even Function then his name he explains it really well.
A first grader reads 72 words in 4 minutes.
Pls explain how you got the answer:(
all you have to do is 4 / 72
Step-by-step explanation:
4÷72
Answer:
18
Step-by-step explanation:
you divide 72 by 4
James and Mary were both saving some of their lunch money to purchase a new skate board. James started off with only $7 and he will save 56
each week and Mary started off with $13 and she will save 57 each week. How much money will James and Mary have after 8 weeks?
Answer:
James: $455
Mary: $469
Step-by-step explanation:
Tell me if it is wrong I would like to know!
:)
Also I'm new on Brainly so don't go too hard on me if this is wrong plz.
helpppp i’ll give that crown thing
Answer:
N K Q
Step-by-step explanation:
how do i solve 9 divide by 10.034
Answer:
9/10.034=.89695037
Step-by-step explanation:
Answer:
= 1.114
Solution:
We have the equation:
10.034 ÷ 9 = 1.114
Calculated to 3 decimal places.
0 1. 1 1 4
9 1 0. 0 3 4
− 0
1 0
− 9
1 0
− 9
1 3
− 9
4 4
− 3 6
8
HOPES THIS HELPS YOU!!!
CAN YOU PLEASE MARK MINE AS BRAINLIEST????