I need help ples.
What is the volume of composite solid?
Answer:
58 13/32 ft. cubed
Step-by-step explanation:
Horizontal Shape: 6 x 5/2 x 7/4 = 26 1/4 ft.
Vertical Shape: 7/2 x 21/4 x 7/4 = 32 5/32 ft.
Total Volume: 26 1/4 + 32 5/32 = 58 13/32 ft. cubed
If this helped can I get brainliest :)
The graph of the function f(x) is shown
Which graph represents the function 4(2x)?
Answer:
[tex]8x[/tex]
Step-by-step explanation:
[tex]4 \: time \: 2x = 8x[/tex]
A 10-foot ladder is to be placed Against the side of the building. The base of the latter must be placed in an angle of 72° With the level ground for a secure footing. Find, to the nearest inch, how far the base of the latter should be from the side of the building and how far up the side of the building the latter will reach.
Answer:
Distance of foot of ladder from building: 37.2 inches
Distance of top of ladder from building's base: 114 inches
Step-by-step explanation:
Please refer to the figure attached in the answer area.
A right angled triangle [tex]\triangle ABC[/tex] is formed by the ladder with the building where hypotenuse is the length of ladder.
Hypotenuse, AC = 10 foot
Also, we are given that angle made by the base of ladder with the ground is [tex]72^\circ[/tex].
We have to find AB and BC.
[tex]\angle BAC = 72^\circ[/tex]
Using trigonometric functions:
[tex]cos \theta= \dfrac{Base}{Hypotenuse}\\cos 72^\circ= \dfrac{AB}{AC}\\\Rightarrow 0.309 = \dfrac{AB}{AC}\\\Rightarrow AB = 10 \times 0.309\\$\approx$ 3.1 foot\\$\approx$ 37.2 inches[/tex]
[tex]sin \theta = \dfrac{Perpendicular}{Hypotenuse}\\\Rightarrow sin72^\circ = \dfrac{BC}{AC}\\\Rightarrow 0.95 = \dfrac{BC}{AC}\\\Rightarrow AB = 10 \times 0.95\\$\approx$ 9.5 foot\\$\approx$ 114 inches[/tex]
Distance of foot of ladder from building: 37.2 inches
Distance of top of ladder from building's base: 114 inches
Point F is on circle C.
Circle C is shown. Line segments E C, F C, and D C are radii. Tangents E G and D G intersect at point D outside of the circle. A line is drawn to connect points F and G. The length of G E is 10 and the length of E C is 7.5. Angles E and D are right angles.
What is the length of line segment GF?
12.5 units
15.0 units
17.5 units
20.0 units
Answer:
D
Step-by-step explanation:
Its the answer because it just is, don't believe the other answer.
Answer:
The length of line segment GF should be 20.0 units
What is the domain of the following parabola? (5 points)
3
-2
-1/
x
1
xs1
All real numbers
ys2
Answer:
Step-by-step explanation:
The domain of this quadratic is "all real numbers." The function is defined for all x.
A sandwich store charges $20 to have 3 turkey subs delivered and $26 to have 4 delivered. How much does the store charge for 1 additional turkey sub? Describe a rule of determining how much the store charges based on the number of turkey subs delivered
Answer:
32
Step-by-step explanation:
26+6 =32
What is the reciprocal of 3/4?
2
4/3
3/4
1/4 lb
none of the above
The reciprocal of 3/4 is 4/3.
Hope it will be helpful to u
PLEASE HELP!!!! attached photo
Answer:
(-1, -2.5)
Step-by-step explanation:
The midpoint formula is just basicallyadding both of the x values and then dividing the sum of them by 2, after that you will be adding both y values and then dividing them by 2, then you will get the midpoint x and y coordinate values. You can look up midpoint formula on google to see how it's actually written. You have to make sure to add correctly when you are using the negative numbers, because they can actually turn the equations into subtraction. Keep in mind, it can beconfusing sometimes when you are working with positive and negative numbers together. So make sure to just double check your work and also to make sure you added correctly.
Brainliest please, I need a few more :D
PLEASE HELP ME, I WILL GIVE U BRAINLIEST,
Answer:
around 9.8
Step-by-step explanation:
This is a right triangle, so to find x, you can use pythagorem theorem:
So...
23^2+x^2=25^2
529+x^2=625
x^2=96
x is around 9.8
Answer:
9.79 or 9.9
Step-by-step explanation:
Its around 9, estimation...
50 POINTS FOR THIS 1 QUESTION I JUST NEED THE ANSWER
If you have a cubic polynomial of the form y = ax^3 + bx^2 + cx + d and lets say it passes through the points (2,28), (-1, -5), (4, 220), and (-2, -20) what would the coefficients a, b, c, and d equal? So confused, I'd greatly appreciate help! Thank you!
Answer:
a = 3
b = 2
c = 0
d = -4
Step-by-step explanation:
Form 4 equations and solve simultaneously
28 = a(2)³ + b(2)² + c(2) + d
28 = 8a + 4b + 2c + d (1)
-5 = -a + b - c + d (2)
220 = 64a + 16b + 4c + d (3)
-20 = -8a + 4b - 2c + d (4)
(1) + (4)
28 = 8a + 4b + 2c + d
-20 = -8a + 4b - 2c + d
8 = 8b + 2d
d = 4 - 4b
Equation (2)
c = -a + b + d + 5
c = -a + b + 4 - 4b+ 5
c = -a - 3b + 9
28 = 8a + 4b + 2c + d (1)
28 = 8a + 4b + 2(-a - 3b + 9) + 4 - 4b
28 = 6a - 6b + 22
6a - 6b = 6
a - b = 1
a = b + 1
220 = 64a + 16b + 4c + d (3)
220 = 64(b + 1) + 16b + 4(-b - 1 - 3b + 9) + 4 - 4b
220 = 60b + 100
60b = 120
b = 2
a = 2 + 1
a = 3
c = -3 - 3(2) + 9
c = 0
d = 4 - 4(2)
d = -4
Step-by-step explanation:
Step 1: Solve using the first point
(2, 28)
[tex]28 = a(2)^3 + b(2)^2 + c(2) + d[/tex]
[tex]28 = 8a + 4b + 2c + d[/tex]
Step 2: Solve using the second point
(-1, -5)
[tex]-5 = a(-1)^3 + b(-1)^2 + c(-1) + d[/tex]
[tex]-5 = -a + b - c + d[/tex]
Step 3: Solve using the third point
(4, 220)
[tex]220 = a(4)^3 + b(4)^2 + c(4) + d[/tex]
[tex]220 = 64a + 16b + 4c + d[/tex]
Step 4: Solve using the fourth point
(-2, -20)
[tex]-20 = a(-2)^3 + b(-2)^2 + c(-2) + d[/tex]
[tex]-20 = -8a + 4b - 2c + d[/tex]
Step 5: Combine the first and fourth equations
[tex]28 - 20 = 8a - 8a + 4b + 4b + 2c - 2c + d + d[/tex]
[tex]8 = 8b + 2d[/tex]
[tex]8 - 8b = 8b - 8b + 2d[/tex]
[tex](8 -8b)/2 = 2d/2[/tex]
[tex]4 - 4b = d[/tex]
Step 6: Solve for c in the second equation
[tex]-5 + 5 = -a + b - c + d + 5[/tex]
[tex]0 + c = -a + b - c + c + d + 5[/tex]
[tex]c = -a + b + d + 5[/tex]
Step 7: Substitute d with the stuff we got in step 5
[tex]c = -a + b + (4 - 4b) + 5[/tex]
[tex]c = -a + b + 4 - 4b + 5[/tex]
[tex]c = -a - 3b + 9[/tex]
Step 8: Substitute d and c into the first equation
[tex]28 = 8a + 4b + 2(-a - 3b + 9) + (4 - 4b)[/tex]
[tex]28 = 8a + 4b - 2a - 6b + 18 + 4 - 4b[/tex]
[tex]28 - 22 = 6a - 6b + 22 - 22[/tex]
[tex]6 / 6 = (6a - 6b) / 6[/tex]
[tex]1 + b = a - b + b[/tex]
[tex]1 + b = a[/tex]
Step 9: Substitute a, b, and c into the third equation
[tex]220 = 64(1 + b) + 16b + 4(-(1 + b) - 3b + 9) + (4 - 4b)[/tex]
[tex]220 = 64 + 64b + 16b + 4(-1 - b - 3b + 9) + 4 - 4b[/tex]
[tex]220 - 100 = 60b + 100 - 100[/tex]
[tex]120 / 60 = 60b / 60[/tex]
[tex]2 = b[/tex]
Step 10: Find a using b = 2
[tex]a = b + 1[/tex]
[tex]a = (2) + 1[/tex]
[tex]a = 3[/tex]
Step 11: Find c using a = 3 and b = 2
[tex]c = -a - 3b + 9[/tex]
[tex]c = -(3) - 3(2) + 9[/tex]
[tex]c = -3 - 6 + 9[/tex]
[tex]c = 0[/tex]
Step 12: Find d using b = 2
[tex]d = 4 - 4b[/tex]
[tex]d = 4 - 4(2)[/tex]
[tex]d = 4 - 8[/tex]
[tex]d = -4[/tex]
Answer: [tex]a = 3, b = 2, c = 0,d = -4[/tex]
Ted started a puzzle at 7:17 PM. I have completed the puzzle at 7:43 PM. How long did it take Ted to complete the puzzle?
26 minutes
43-17 gives 26
Ted take 26 minutes to complete the puzzle.
What is mean by Subtraction?
Subtraction in mathematics means that is taking something away from a group or number of objects. When you subtract, what is left in the group becomes less.
Given that;
Ted started a puzzle at 7:17 PM.
And, It completed the puzzle at 7:43 PM.
Now,
Since, Ted started a puzzle at 7:17 PM.
And, It completed the puzzle at 7:43 PM.
So, The time to complete the puzzle = 7:43 - 7 :17
= 0:26
= 26 minutes
Thus, Ted take 26 minutes to complete the puzzle.
Learn more about the subtraction visit:
https://brainly.com/question/17301989
#SPJ2
Which one is it??
A. Synonyms
B. Antonyms
C. Homographs
Answer:
anytomys
Step-by-step explanation:
math question screen shot below
Answer:
a.3 m/s
Step-by-step explanation:
90 divided by 30
plz give brainliesttt
How many 9’s are there between 1 and a 100?
Answer:
11
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
You've got 9
19
29
39
49
59
69
79
89
And then all of the numbers in the 90s
90, 91, 92, 93, 94, 95, 96, 97, 98, 99
99 counts as two
Please help me will give brainliest
Answer:
Mean = [26 + 31 + 39 + 32]/4 = 32
MAD = (1/4) x [|26 - 32| + |31 - 32| + |32 - 32| + |39 - 32|] = (1/4) x 14 = 3.5
Hope this helps!
:)
Answer:
3.5 putts
Step-by-step explanation:
Mean: 26 + 31 + 32 + 39 = 128/4 = 32
32 - 26 = 6
32 - 31 = 1
32 - 32 = 0
32 - 39 = 7
Mean Absolute Deviation (MAD): 6 + 1 + 0 + 7 = 14/4 = 3.5
~ hope this helps you, have a good day ~
Lena has painted 3/4 of a room.
She has used 1 1/2 gallons of
paint. How much paint will
she need for the whole room?
Answer:
2 gallons
Step-by-step explanation:
she painted 3/4 of the room already and that took 6/4 to do if you do improper fraction and a common denominator. so it is taking her double the numerator so to paint 4/4 of the room or 1 whole room it would take 2 gallons. I hope this makes sense.
What is the first quartile, Qı, of the data set?
{23, 28, 28, 36, 56, 60, 61, 65, 70}
Enter your answer in the box.
Q1
---
Answer:
28
Step-by-step explanation:
take the median of the data set which is 56 and then take the median of the numbers before 56
28 is the median Q1 is 28
Answer:
28
Step-by-step explanation:
First step is to find the median of the data set.
The median is the middle value of the data arranged in ascending order. If there is not an exact value then it the average of the values either side of the middle.
23 28 28 36 56 60 61 65 70
↑ median
The first quartile [tex]Q_{1}[/tex] is the middle value on the left side of the median.
23 28 28 36
↑
[tex]Q_{1}[/tex] = [tex]\frac{28+28}{2}[/tex] = [tex]\frac{56}{2}[/tex] = 28
5(7 + 3x) - 12 how to simplify
To solve this we need to use this formula:
a(b+c)=ab+ac
5(7+3x)-12=35+15x-12=15x+23
Answer:
Step-by-step explanation:
Multiply the 5 to the 7 and 3x--> 35 + 15x -12. Then add 12 to the -12, making it 0 (inverse operations), and add 12 to the 35 making it 47 + 15x. :) Then you would simply divide the 15 by 15x (making the variable by itself). your answer for x should be 47/15. :> If I helped, please mark brainliest!!
BRAINIEST ANSWER PLEASE HELP OFFERING 30 POINTS!!!!
Lulu tells her little brother, Jack, that she is holding 20 coins all of which are dimes and quarters. They have a value of $4.10. She says she will give him the coins if he can tell her how many of each she is holding. Algebraically solve this problem for Jack when x is # of dimes and y is the # of quarters
Answer:
The answer is 14 quarters and six dimes
Step-by-step explanation:
-.1(D+Q=20)
.10D+.25Q=4.10 -.1D-.1Q=-2
.1D+.25Q=4.10
------------------------------------------------------
.15Q=2.10/.15(both sides)
Q=14 which leaves you needing 60 more cents so 6 dimes
Answer:
6 dimes and 14 quarters
Step-by-step explanation:
x+y=20
0.1x+0.25y=4.1
We can multiply all the numbers in the second equation by 20 to get 2x+5y=82.
Then isolate y to get y=20-x.
Substitute y for 20-x in equation 2 to get 2x+5(20-x)=82
2x+100-5x=82
-3x+100=82
-3x=-18
x=6, and y=20-6, which is 14.
So, Lulu has six dimes and 14 quarters.
On Monday, a restaurant made $545 by selling 109 hamburgers.
If they sold 95 hamburgers on Tuesday, how much money did they make?
(Show your work below.)
Answer:
$475
Step-by-step explanation:
$545 / 109 = $5
$5 is the one hamburgers price
$5 x 95 = $475
$475 on Tuesday
Find the median of the data.
8,8,6,8,4,5,6
Answer: The median is 6
Step-by-step explanation:
4 5 6 6 8 8 8
4 5 6 6 8 8 8
WILL MARK BRAINLIEST! If you buy 3 pounds of hamburg for $8.97, how much will it cost for 5 pounds of hamburg?
Answer:
14.95
Step-by-step explanation:
every 1 pound is 2.99 so you would do 2.99 * 5
Answer:
$14.95
Step-by-step explanation:
To find the slope or the cost per pound of hamburger you divide 8.97 by 5 in order to find out it costs 2.99 per hamburger. You then, multiply 2.99 by 5 to gather that to buy 5 pounds of hamburger it would cost $14.95.
The equations in the system below are parallel.
y = 3 x + 5. y = 3 x + 8
How many solutions does the system have?
Answer:
The Correct Answer is: A
Step-by-step explanation:
A: No Solutions
This is the correct answer.
I really hope that this answer will help anyone in need of an answer.
Thank you!!
What is the median for 1,2,4,6,4
4 is the median. Please mark as brainlist.
Answer:
4
Step-by-step explanation:
There are 6 yellow card, 3 blue cards, 4 pink cards and 7 purple cards in a hat. What is the probability of selecting a purple card, then another purple card? Give answers as reduced fraction and percent.
Answer:
7/20 = 0.35
Step-by-step explanation:
An angle is supplementary and one measures 70° what is the measurement of the other angle?
Answer:
x= 110
Step-by-step explanation:
Supplementary angles add to 180
Let x be the other angle
x +70 =180
Subtract 70 from each side
x+70-70=180-70
x = 110
Answer:
110 degrees
Step-by-step explanation:
Supplementary angles add to 180 degrees.
We have two angles: one is unknown and the other is 70 degrees.
These 2 angles added together must equal 180.
x+70=180
Since we are trying to find x, the unknown angle, we have to get x by itself. Since 70 is being added to x, subtract 70 from both sides.
x+70-70=180-70
x=110
So, the other angle is 110 degrees
Find the surface area of the figure. Round to the nearest hundredth.
SA of half of this cylinder:
1/2*2pi(3)^2+1/2*2pi*3*25
9pi+75pi
84pi cm^2 OR 263.89 cm^2
Please help! Its one of my last! Will give brainliest.
A polygon plotted on the coordinate plane has 6 vertices. What is the shape of the polygon? *
Answer:
hexagon
Step-by-step explanation:
A hexagon has six vertices. Hope that this helps you and have a great day
Answer:
Hexagon
An object that has six vertices will form a Hexagon on a coordinate plane
Point L was plotted at (-4, 1), then L was transformed creating point L’ at (-1, -4).Which transformation rule could have been used to plot L’?
Reflection across the x-axis
a 180 degree rotation about the origin
A 270 degree rotation counterclockwise rotations about the origin
A translation using the rule (x,y) -->(x+3, y -5)
Answer:
you would go down 2 from the point
Step-by-step explanation:
What is the area of this triangle?
A. 12 square centimeters
B. 36 square centimeters
C. 16 square centimeters
D. 18 square centimeters
Answer:
A is the correct answer.
Step-by-step explanation:
The formula for the area of a triangle is A = 1/2 b x h
The base in this triangle is 6 and the height is 4 so 6 x 4 = 24.
Now we divide 24 by 2 which gives us 12 square centimeters.
Hope this helps
Answer: A. 12 square centimeters
Step-by-step explanation:
The area of a triangle is (1/2)bh because any triangle is half of a square (square formula = bh).
1/2bh --> 1/2 * 6 * 4 --> 12 square centimeters
Hope this helps! Good Luck :)
