Answer:
63.5 m from the ground
answer is 66.9 ft
top is the step by step explanation, hope it helps <3
what is the midpoint of (-2, -1) and (0, 9)
Answer:
(-1,4)
Step-by-step explanation:
For x the midpoint between -2 and 0 is -1
for y the midpoint between -1 and 9 is 4
Answer:
(-1,4)
Step-by-step explanation:
Midpoint can be found by:
(x1+x2)/2 ; (y1+y2)/2
So, if we substitute, we can find:
(-2+0)/2 ; (-1+9)/2
This gives us -2/2 and 8/2, which is:
(-1, 4)
Hope this helps!
simplify (x^3+2x-3)-(x^2-2x+4)
Answer:
x³ - ((x+1)(x+1))
Step-by-step explanation:
x³ + 2x -3 - x² - 2x + 4
x³ - x² + 1
x³ - ((x+1)(x+1))
Answer:
x^3−x^2+4x−7
Step-by-step explanation:
Hope this helps! Have a great day!!
Can the sides of a triangle have lengths 2, 8, and 19?
Answer:
No
Step-by-step explanation:
NO...... any two sides added together must be GREATER THAN the third side .... 2 + 8 is NOT greater than 19
Using the cards 3,2,4,7 show a valua closest to 5000
4,7,3,2
Step-by-step explanation:
THESE ARE THE THE ARRANGEMENT OF NUMBERS IN ORDER TO GET THE CLOSEST TO 5000
Complete the table for y=1/2x-3
Tables are created by substitute a set of input values into the function to create outputs. The required table is as shown below
x | y
0 -3
1 -2.5
2 -2
Tables and valuesTables are created by substitute a set of input values into the function to create outputs
Using x = 0, 1 and 2 as the input values
Given the function
y = 1/2x - 3
If x = 0
y = 1/2(0) - 3
y = -3
If x = 1
y = 1/2(1) - 3
y = -2.5
If x = 2
y = 1/2(2) - 3
y = -2
Hence the required table is as shown below
x | y
0 -3
1 -2.5
2 -2
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I don’t know how to do this please help
Answer:
84 cm²
Step-by-step explanation:
The figure has a uniform horizontal cross section, so its area is the product of that cross section length and its vertical dimension.
__
A = bh
A = (6 cm)(14 cm) = 84 cm²
The area of the shape is 84 square centimeters.
_____
Additional comment
You could decompose the figure into a rectangle with base 6 and height 8, and a parallelogram with base 6 and height 14-8=6. The area formula is the same for each: A = bh, so the area of the composite figure is ...
A = 6×8 +6×(14 -8)
= 6×(8 +(14 -8))
= 6×14 . . . . same as above.
which is the greatest 30000 millimeters 1 kilometer 5000 meters or 6000 centimeters?
find the coordinate plane that represents the solution of this system y > -x - 1 y + 4 ≤ x
Answer:
The graph will open to the right and will be mostly in quadrant 1
Step-by-step explanation:
Which intervals show f(x) decreasing?
right triangles to find the exact length of:
T
30°
14 in
a) TI = in
60°
R
a) TI = 7√3 in
b) IR = 7 in
Explanation:Using cosine rule:
[tex]\sf cos(x) = \dfrac{adjacent}{hypotenuse}[/tex]
[tex]\hookrightarrow \sf cos(30) = \dfrac{TI}{14}[/tex]
[tex]\hookrightarrow \sf TI = 14cos(30)[/tex]
[tex]\hookrightarrow \sf TI = 7\sqrt{3}[/tex]
Using sine rule:
[tex]\sf sin(x) = \dfrac{opposite}{hypotenuse}[/tex]
[tex]\hookrightarrow \sf sin(30) = \dfrac{IR}{14}[/tex]
[tex]\hookrightarrow \sf IR = 14sin(30)[/tex]
[tex]\hookrightarrow \sf IR = 7[/tex]
Which graph can be used to find the solution(s) to x2 – 4x + 4 = 2x + 1 + x2?
The solution to the equation x² – 4x + 4 = 2x + 1 + x² is x = 2.5 and the graph is shown in the picture.
What is a function?It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.
We have an equation:
x² – 4x + 4 = 2x + 1 + x²
After solving:
-4x + 4 = 2x + 1
6x = 3
x = 1/2 = 0.5
Thus, the solution to the equation x² – 4x + 4 = 2x + 1 + x² is x = 2.5 and the graph is shown in the picture.
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0. on a saturday evening in chicago, 34% of the people go out to dinner, 18% go out to
see a movie, 13% go out to a party, and 35% stay home. if five people are randomly
selected on monday morning, what is the probability that all but one went out saturday
night?
a) 0.048
b) 0.116
c) 0.181
d) 0.312
The probability of sandy flipping a coin twice and getting heads both times is 0.25 the probability of john's spinner stopping on the color red is
The true statement is (c) Neither. Both events are equally likely.
Complete questionThe probability of Sandy flipping a coin twice and getting heads both times is 0.25. The probability of John's spinner stopping on the color red is 1/4.
Which of these events is more likely?
-Sandy flips a coin twice and gets heads both times.
-John's spinner stops on the color red.
-Neither. Both events are equally likely.
How to determine the likely event?The given parameters are:
P(Head twice) = 0.25
P(Red) = 1/4
Rewrite P(Red) as:
P(Red) = 0.25
By comparison, we have:
P(Red) = P(Head twice) = 0.25
This means that both events are equally likely
Hence, the true statement is (c)
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what is 2x-45y=22 when y=21
answer:
483.5
step by step explanation:
2x-45y=22
2x-45(21)=22
2x-945=22
2x =22+945
2x=967
x=483.5
Solve this please-
Thanks!!!
Answer:
130 m²
Step-by-step explanation:
Area of a parallelogram is given by the formula :
A = bh (b is the base length and h is the perpendicular height)
Now we simply substitute values given in diagram to find our answer:
A = bh
A = (13)(10)
A = 130
Units will be m² as this is area
Hope this helped and have a good day
help me now !! help help help
Answer:
Step-by-step explanation:
1) Parallelepiped
We need to find its surface area minus the area of the base and the base of the cylinder above.
2 (9) (2.4) = 43.2
2 (5) (2.4) = 24
4pi = Area of the base of the cylinder
45 - 4pi = Area of the base of the parallelepiped minus covered region.
Surface needed = 112.2 - 4pi
2) Cylinder
We need to find its surface area minus the area of the base.
2 (pi) (2) (3) = 12pi
pi (4) = 4pi
Surface needed = 16pi
Total surafec needed: (112.2 - 4pi) + 16pi = 112.2 + 12pi
(This is solved in 'pi' terms)
If this helped, I'd like to have a brainliest. Have a nice day!!
Please help me
Find the value of x
Answer:
x = 5 and y = 22
Step-by-step explanation:
See attached image.
The circumference of a circle is 37.68 meters. What is the circle's diameter?
C = 37.68 m
Use 3.14 for л.
Answer:
The diameter is 12.
Explain: i used this formula C= Dπ or C= 2rπ
(37.68) = Dπ Divide by 3.14, as the instructions in this question specify to do so.
37.68/3.14 = D π/ 3.14
D = 12 The diameter equals twelve.
Hope This Helped
(Refer to the attached image)
Explanation:
Provided 2 length sides and one angle also need to find one missing side.
So, use cosine rule:
a² = b² + c² - 2bc cos(A)
Part 1c² = 9² + 11² - 2(11)(9) cos(57)
c² = 94.16147
c = √94.16147 = 9.70 cm
Part 2d² = 5² + 7² - 2(5)(7) cos(48)
d² = 27.16
d = √27.16 = 5.21
Part 35² = 7² + 9² - 2(7)(9) cos(H)
-126cos(H) = 25 - 49 - 81
cos(H) = -105/-126
cos(H) = 5/6
H = cos⁻¹(5/6) = 33.56°
Part 48² = 4² + 7² - 2(4)(7) cos(J)
-56cos(J) = 64 - 16 - 49
cos(J) = -1/-56
J = cos⁻¹(1/56) = 88.98°
Passcode: 3142
Kevin evaluated the expression below. 75 - 6 (8 - 6) + 3 Step 1: 75 - 6 x 2 + 3 Step 2: 75 - 6 x 5 Step 3: 75 - 30 Step 4: 45 Kevin made an error in solving the expression. What error did Kevin make? Which step contains the error? What error did Kevin make? Explain how you would correct Kevin's error. Be sure to include the correct answer in your explanation.
The error Kevin made was in step 2 when he added before he multiplied.
What error did Kevin make?
This question would be solved using the BODMAS rule. The BODMAS rule provides the order in which mathematical problems should be solved. The order is:
bracket of division multiplication addition subtractionStep 1 : 75 - 6 x 2 + 3Step 2: 75 - 12 + 3 Step 3 : 75 - 9 Step 4: 66To learn more about addition, please check: https://brainly.com/question/349488
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Jessie invests $33 in the stock market. Over the 3 years she has this invested she gets an average return of 7,8%. How much will her investment be worth after the 3 years?
Answer:
it would end up being about $40.73
Step-by-step explanation:
multiply 0.078 by 3 then multiply that by 33
Answer:
hope you can understand
Hi, so I was wondering if anyone knows the surface area of a cylinder if the diameter is 7.5? Thank you so much! :)
Answer:
206.17
Key(s):
[tex]A = 2\pi \frac{d}{2} h + 2\pi \left(\frac{d}{2}\right)^2[/tex]
Substitute d for the actual diameter, 7.5, and h for the height, which is 5.
Step-by-step explanation:
[tex]A = 2\cdot\pi \cdot\frac{7.5}{2} \cdot5 + 2\cdot\pi \cdot\left(\frac{7.5}{2}\right)^2[/tex] ≈ 206.17(2 DP)
An exponential function contains the points (1, 0.9) and
(2, 1.62). What is an exponential function that contains
these points?
Answer:
Hi,
Step-by-step explanation:
Let's say y=a*b^x the equation of the exponential function.
0.9=a*b^1 (1)
1.62=a*b² (2)
(2)/(1) ==> b=1.62/0.9=1.8
and
0.9=a*1.8 ==> a=0.5
y=0.5*1.8^x
Show me how you did it on mathwatch Ill give Brainliest to anyone
An equation is formed when two equal expressions are equated together with the help of an equal sign '='. The graph of the equation x+2y=7, between the domain of -2 to 3 can be drawn as shown below.
What is an equation?An equation is formed when two equal expressions are equated together with the help of an equal sign '='.
The graph of the equation x+2y=7, between the domain of -2 to 3 can be drawn as shown below.
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what contribution to geometry is attributed to the work of rene descartes
Answer: Analytic geometry
What is the distance between points (5, 1) and (2, -3)?
Answer:
5
Step-by-step explanation:
The distance between two points [tex]P[/tex] and [tex]Q[/tex] is [tex]d = \sqrt{\sum_{i=1}^{n} \left(q_{i} - p_{i}\right)^{2}}[/tex] ([tex]n[/tex] s the number of coordinates of each of the two points, [tex]p_i[/tex] , [tex]i=1..n[/tex] and [tex]q_i,i=1..n[/tex]
are the coordinates of the first and the second points respectively).
Thus, [tex]d = \sqrt{\left(2 - 5\right)^{2} + \left(-3 - 1\right)^{2}}=5.[/tex]
Volume of pyramids cones and spheres
Answer:
48 cm³Step-by-step explanation:
Volume = (1/3) * base_area * height
1/3 * 4 * 4 * 9 =
48 cm³
Use the Distributive Property to write each expression as an equivalent expression. Then evaluate it. 3(5+1)
Answer:
18
Step-by-step explanation:
[tex]3(5 + 1) \\ 3(5) + 3(1) \\ 15 + 3 \\ 18[/tex]
The distributive property means you distribute the multiple to all terms in the parenthesis, in this case the terms are 5 and 1.
help me please :)
ytfrtrghjhgfdsfghjyutredfghjytredsfg
Answer:
what ya need man I can help but give me a question
Solve 4 x 5/6 Change to a mixed number and reduce.
Answer:
10/3 or 3.333333
Step-by-step explanation:
- 4 x 5/6 is 3 1/3
- 3 1/3 is a mixed number
- 3 1/3 reduced is 10/3