Answer:
0.75, 0.64, 0.79, 0.69
Step-by-step explanation:
I hope this helps!!!!
The name four decimals whose values between 0.63 and 0.8 are 0.75, 0.64, 0.79, 0.69.
We have to determine,
Name four decimals whose values are between 0.63 and 0.8.
What are the decimals?The decimal numeral system is the standard system for denoting integer and non-integer numbers. It is the extension to non-integer numbers of the hindu arabic numeral system. The way of denoting numbers in the decimal system is often referred to as decimal notation.
The name four decimals whose values between 0.63 and 0.8 are 0.75, 0.64, 0.79, 0.69.
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I need help with this question
Answer:A
Step-by-step explanation: because there is an association with the child’s hight and age so the answer is A ( plus I have did this before and got it wrong and the actual Answer was A when I picked B
Answer: A
Step-by-step explanation:
Help me again please I’m almost done
Answer:
....................,,.,.,.,.,.,.,.,..,.,.,.,.,.,.,...,.,.,.,.,.,.,.,..,.,.,.,.,.,.,.,,..,,.,.,..,.,.,.,,.
Step-by-step explanation:
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,..............................................
Hi can you please help me
The probability that student chosen at random is 16 years is 0.28.
How to find the probability of the student chosen?The table shows the distribution of student by age in a high school with 1500 students. Therefore, the probability that randomly chosen student is 16 years can be found as follows:
Therefore,
probability = number of favourable outcome to age / total number of possible outcome
Hence,
probability that student chosen at random is 16 years = 420 / 150
probability that student chosen at random is 16 years = 0.28
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Harrison has a rectangular plank of wood that is 29 inches long. He creates a ramp by resting the plank against a wall with a height of 14 inches, as shown. Using Pythagoras' theorem, work out the horizontal distance between the wallI and the bottom of the ramp. Give your answer in inches to 1 d.p.
Answer:
Horizontal distance between the wall and the bottom of ramp = 25.4 inches.
Step-by-step explanation:
Pythagorean theorem:
AB -> wall ; AB = 14 inches
AC -> Wooden plank ; AC = 29 inches
BC -> horizontal distance between the wall and the bottom of ramp(pank).
Pythagorean theorem,
\(\boxed{\bf base^2 + altitude^2 = hypotenuse^2}\)
BC² + AB² = AC²
BC² + 14² = 29²
BC² + 196 = 841
BC² = 841 - 196
= 645
BC = √645
BC = 25.4 inches
Horizontal distance between the wall and the bottom of ramp = 25.4 inches.
Given,
Length = 29 inches
Height = 14inches
Here,
Pythagorean theorem:
AB -> wall ; AB = 14 inches
AC -> Wooden plank ; AC = 29 inches
BC -> horizontal distance between the wall and the bottom of ramp (plank).
Pythagorean theorem,
Base² + Perpendicular² = Hypotenuse²
BC² + AB² = AC²
BC² + 14² = 29²
BC² + 196 = 841
BC² = 841 - 196
= 645
BC = √645
BC = 25.4 inches
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Which of the bbb-values satisfy the following inequality?
5\lt b-35
Choose all answers that apply:
Choose all answers that apply:
(Choice A)
A
b = 8b=8b, equals, 8
(Choice B)
B
b = 9b=9b, equals, 9
(Choice C)
C
b = 10b=10b, equals, 10
Answer:
22
Step-by-step explanation:
Answer:
The answer is B and C
Step-by-step explanation:
HELPPP THIS IS URGENT!
Answer:
see below
Step-by-step explanation:
\(y=-3(x-4)^2+2\)
\(x=-3(y-4)^2+2\)
\(x-2=-3(y-4)^2\)
\(\frac{1}{3}(2-x) =(y-4)^2\)
\(\sqrt{\frac{1}{3}(2-x)}=y-4\)
\(f^{-1}(x)=\sqrt{ \frac{1}{3}(2-x)}+4\)
Janine's mom purchases six umbrellas for a total cost of $37. She has a coupon, which will save her 25 percent. In
order to determine her new fotal, she needs to take 0.25 of 37 to find her savings. How much will she save with her
coupon? What will her new total be?
Answer:
27.75$
Step-by-step explanation:
37-----100%
x-------25%
x=(25×37)÷100
x=9.25
total = 37-9.25=27.75
her new total will be 27.75$
Please help ASAP
Sara kicked a football. The height of the ball (in meters above the ground) ttt seconds after Sara kicked it is modeled by h(t)=-5t^2+20th(t)=−5t 2 +20th, left parenthesis, t, right parenthesis, equals, minus, 5, t, squared, plus, 20, t Sara wants to know the height of the ball above the ground at its highest point. 1) Rewrite the function in a different form (factored or vertex) where the answer appears as a number in the equation. 2) At its highest point, how far above the ground was the ball?
Answer:
20 m
Step-by-step explanation:
2) t = -b/2a (FROM QUAD. FORMULA)
t = -20/2(-5)
t = 4/2 = 2/1 = 2
t = 2, insert
h(2) = -5(2)² + 20(2)
h(2) = -20 + 40
h(2) = 20 m
VERTEX: (2,20)
Answer:
20m
Step-by-step explanation:
On a number line ,4.1 would be located. choose all answers that make a true statement.
A. To the right of 4.5
B. between 5 and 6
C. to the left of 4.19
D. To the left of 4.4
Help me plz
Answer:
D
Step-by-step explanation:
An equation is written to represent the relationship between the temperature in Alaska during a snow
storm, y, as it relates to the time in hours, x, since the storm started. If the storm lasted five hours and the
temperature saw a drop from 0° to - 20°, which quadrant(s) of a coordinate grid should be used to
display this data?
a.Quadrant 1 only
b.Quadrant 4 only
c.Quadrant 1 and 3 only
d.Quadrant 2 and 4 only
If q varies directly as r, and q=20 when r=5, find the constant of variation.
a.k=2
b.k=3
c.k=4
d.k=5
Answer:
c. k=4
Step-by-step explanation:
5 in 4 places is 20 4 is a constant variation
The value of constant of variation k is 4.
Since, q varies directly as r.
\(q=kr\)
Where k is constant of variation.
Substitute.\(q=20,r=5\) in above equation
\(k=\frac{20}{5} =4\)
Thus, The value of constant of variation k is 4.
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The ratio x:y is 1:3
Which of the following statements are correct?
A. x is 1/3 of y
B. y is 2 of (x + y)
C x is 1/4 of y
D. y is 3/4 of x
Answer:
A. & B. are the corect answers
Step-by-step explanation:
Answer:
A and B
x is \(\frac{1}{3}\) of y
AND
y is \(\frac{3}{4}\) of (x+y)
Step-by-step explanation:
x:y is 1:3
=> y is bigger than x
=> y is 3x bigger than x
=> y = 3 lots of x
=> \(y =\) \(3x\)
=> \(\frac{y}{3}\) \(= x\)
=> \(\frac{1}{3} y\) \(= x\)
So x is \(\frac{1}{3}\) of y
y is \(\frac{3}{4}\) of (x+y)
If x = 1 and y = 3 (substitute in values)
=> 3 is \(\frac{3}{4}\) of (4)
=> 3 is \(\frac{3}{4}\)(4)
=> 3 is (\(\frac{3}{4}\)x4)
=> 3 = 3
Therefore, y is \(\frac{3}{4}\) of (x+y) is true
So the answers are:
x is \(\frac{1}{3}\) of y
AND
y is \(\frac{3}{4}\) of (x+y)
Jina worked 37 hours last month and earned 59 per hour. She spent $15 of her earnings since then. How much money does she have left?
Answer:
$6.83
Step-by-step explanation:
37 x 59 = 2183
Because it is dollars you need to divide it by 100:
$21.83 - 15 = 6.83
Select the correct image
Which image shows triangle A dilated by a scale factor of 2 with a center at the origin?
4
2-
2
4
A
B
-4-
-6-
-6-
HE
-8.
-8
Y
-2/0 2 4 6 8
с
---2-
2 4 6 8
-6.
-8-
ON YO
-2-
-6-
-8-
D
6
Answer:
Step-by-step explanation:
To answer your question, the correct image that shows triangle A dilated by a scale factor of 2 with a center at the origin is image number 4. This image clearly shows the triangle A being enlarged to twice its original size with the center of dilation at the origin. I hope this helps! Let me know if you have any other questions.
Calculate the area, in square units, bounded by f(x)=−6x−13 and g(x)=−7x+5 over the interval [33,34], Do not include any units in your answer. Provide your answer below:
The area, in square units, bounded by f(x)= − 6x−13 and g(x)= − 7x+5 over the interval [33,34] is 1172.5
Area of bounded lines
f(x) = y₁ and g(x) = y₂
Area = \(\int\limits^a_ b{y_{2} - y_{1} } \, dx\)
y₂ - y₁ = -7x + 5 - (-6x-13)
y₂ - y₁ = -7x + 5 + 6x + 13
y₂ - y₁ = -x + 18
Area = \(\int\limits^a_b {-x+18} \, dx\)
Area = [- x²/2 + 18x ]\(\left \{ {{a=34} \atop {b=33}} \right.\)
Area = [-(34)²/2 + 18 × 34 - (-(33)²/2 + 18 × 33]
Area = [ -578 + 612 + 544.5 +594]
Area = 1172.5
Area of the bounded region is 1172.5 sq. units
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Kayley needs to find the area of a circle. Which process should she use? She should multiply the diameter by 2 and then multiply the result by 3.14. She should multiply the radius by 2 and then multiply the result by 3.14. She should square the diameter and then multiply the result by 3.14. She should square the radius and then multiply the result by 3.14.
Answer:
The correct answer is the last one:
"She should square the radius and then multiply the result by 3.14"
Step-by-step explanation:
Answer:
The answer is D which says she should square the radius and then multiply the result by 3.14 or pi
Step-by-step explanation:
Took the review, and got 100 on Edge2021 <3
Hope this helped you c:
Your parents gave you $200 dollars to spend on a weeklong school trip have budgeted $25 per day for snacks and souvenirs right an equation that represents this situation
Answer:
225
Step-by-step explanation:
200 25 period boo. let me know if you got it ok thank you.
Please help ASAP I'm willing to give Brainiest
49. You have been asked to place a warehouse so that it is an equal distance from the three roads indicated on the following map. Find this location and show your work.
a. What constructions would you need to perform to accomplish the task?
b. What is the point called where you will place the warehouse?
Not sure about part a, but the answer to b is the central configuration
Step-by-step explanation:
How many and what type of solutions does 5x2−2x+6 have?
1 rational solution
2 rational solutions
2 irrational solutions
2 nonreal solutions
Answer:
2 nonreal solutions
Step-by-step explanation:
given a quadratic equation in standard form
ax² + bx + c = 0 (a ≠ 0 )
then the nature of the roots are determined by the discriminant
b² - 4ac
• if b² - 4ac > 0 then 2 real and irrational solutions
• if b² - 4ac > 0 and a perfect square then 2 real and rational solutions
• if b² - 4ac = 0 then 2 real and equal solutions
• if b² - 4ac < 0 then no real solutions
5x² - 2x + 6 = 0 ← in standard form
with a = 5 , b = - 2 , c = 6
b² - 4ac
= (- 2)² - (4 × 5 × 6)
= 4 - 120
= - 116
since b² - 4ac < 0
then there are 2 nonreal solutions to the equation
Will give 50 points and brainliest if answer this question, due in 20 minutes.
The cylinder shown here has a height of 7 centimeters and a radius of 4 centimeters.
Part A. What is the area of the base of the cylinder? Express your answer in terms of π. options are: 15 pi cm, 14 pi cm, 16 pi cm, 17 pi cm.
Part B: How many cubic centimeters of fluid can fill this cylinder? Express your answer in terms of π. options are: 112 pi cm, 110 pi cm, 113 pi cm, 107 pi cm.
Part C: Give a decimal approximation of your answer to the second question using 3.14 to approximate π. options are: 351.68 cm, 368.15 cm, 386.51 cm, 315.68 cm.
Answer: A.) The area of the base is 16 pi cm²,
B.) The number of cubic centimeters is 112 pi cm³
C.) The volume is 351.68 cm³
Step-by-step explanation:
Area is πr², 4 squared is 16.
V = bh
Multiply the area of the base by the height
16π × 7 = 112pi
the hypotenuse of a right triangle is 29, and the legs are consecutive numbers, what is the sum of the legs
The sides are 20 and 21 in right triangle.
What defines a right triangle?
The term "right triangle" refers to a triangle with an interior angle of 90 degrees.
The hypotenuse, the side of the right triangle that is opposite the right angle and is also its longest side, and the height and base are the two arms of the right angle.The term "right triangle" refers to a triangle with an interior angle of 90 degrees. The hypotenuse, the side of the right triangle that is opposite the right angle and is also its longest side, and the height and base are the two arms of the right angle.
29² = x² + (x+1)²
x²+ x² +2x +1 = 841
2x² +2x -840 =0
x² + x -420 =0
(x+21)(x-20)=0
x=20
the sides are 20 and 21
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solve em for me please
Pleaseeeeeee I need helpppp
Answer:
I think it's 34
Step-by-step explanation:
cuz you add 11 and 12 frequency
what is the inverse of F(x)= x^3+1
Answer:
\(f^{-1}\)(x)=\(\sqrt[3]{x-1}\)
Step-by-step explanation:
Answer:
To find inverse, interchange the variables and solve for y
Step-by-step explanation:
(I put mines in a doc)
In still water, a boat averages 18 miles per hour (mph). It takes the same amount of time to travel 33 miles downstream (with the current) as it takes to travel 21 miles upstream (against the current). What is the rate of the water's current
Answer:
The rate of the water current is 4mph
Step-by-step explanation:
Let c= the rate of the current in mph
18+c= the rate of the boat going downstream in mph
18-c= the rate of the boat going upstream in mph
t = time in hrs for both upstream and downstream trips
Going downstream:
33=(18+c)*t (1)
Going upstream
21=(18-c)*t (2)
From (1)
33=(18+c)*t
t=33/1(8+c)
Substitute t=33/(18+c) into (2)
21=(18-c)*t
21=(18-c)*33/(18+c)
Cross product
21(18+c)=33(18-c)
378+21c=594-33c
21c+33c=594-378
54c=216
Divide both sides by 54
54c/54=216/54
c=4
Therefore,
The rate of the water current is 4mph
Which three side lengths will NOT form a triangle?
a- 4cm, 2cm, 8cm
b- 5in, 8in, 4in
c- 2ft, 3ft, 6ft
d- 5m, 2m, 4m
Answer:
i believe it's A bc 8 cm is too long to reach 4 cm
I need help with finding the scale factor for this problem . Please and thank you
The scale factor is: 5/3.5 ≈ 1.43
The value of x = 12.
What is the Scale Factor?The scale factor is a numerical value used to describe the proportional relationship between two similar objects or figures. It is the ratio of the length of a corresponding side in one figure to the length of the same side in the other figure.
Thus, Scale factor = Dimension of the new shape ÷ Corresponding Dimension of the original shape
Therefore, we have:
Scale factor = J'H" / JH
= 5/3.5 ≈ 1.43
Using the scale factor, we can find x as shown below:
x = 8.4 * scale factor
x = 8.4 * 5/3.5
x = 12
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What is the area of a parallelogram that has a height of 2 1/2 inches and a base of 7 inches
I need help ASAP
sara chose a date from the calendar. what is the probability that the date she chose is a prime number, given that the date is after the 7th of the month?
The probability that the date sara chose is a prime number is 0.2.
Given that, sara chose a date from the calendar.
We know that, probability of an event = Number of favourable outcomes/Total number of outcomes.
Here, total number of outcomes = 30
Number of favourable outcomes = 6
Now, probability = 6/30
= 1/5
= 0.2
Therefore, the probability that the date sara chose is a prime number is 0.2.
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FACTOR 6x²- 18x - 60
Answer: 6(x+2)(x-5)
Step-by-step explanation:
1: Factor by grouping- A 6 can be distributed in all 3 terms, when we do this we get 6(x²-3x-10).
2: This is in the form 6(x²+bx+c). So, to continue factoring, just forget about the six for a while and find two factors of c that add up to b. These two factors are -5 and 2.
3: Fill in the blanks with either factor. (x+?)(x+?) We get (x+2)(x-5).
4: Bring back the 6 to the beginning of the equation to get a final answer of 6(x+2)(x-5).