Answer: .69
Step-by-step explanation:
Answer on khan
We can write the value in the range P(64 < {x} < 76) as 0.68.
What is standard deviation?In statistics, the standard deviation is a measure of the amount of variation or dispersion of a set of values.
Given is that a set of biology exam scores are normally distributed with a mean of 70 points and a standard deviation of six points X equal the score on a randomly selected exam from the set.
It is given that -
μ = 70
σ = 6
For the range of {x}, we can write -
(μ - σ) < {x} < (μ + σ)
64 < {x} < 76
We can write the range of {z} value as -
(64 - 70)/6 < {z} < (64 + 70)/6
- 1 < {z} < + 1
Now -
P(64 < {x} < 76) = P(x < 76) - P(x < 64) = 0.84 - 0.15 = 0.68
Therefore, we can write the value in the range P(64 < {x} < 76) as 0.68.
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Jamal drew a picture.
8 cm
4 cm
What is the area of the picture Jamal drew? Enter the answer in the box.
area of rectangle = l×b
So, area of drawing = l×b = 8cm×4cm = 32cm²
You are working on decorating your home for the holidays. You enjoy hanging lights and so far have invested in $75 worth of lights. You notice a sale that you can get strands of lights for $5 a box this week. Write an expression that describes your total investment (money spent) in lights, depending on how many boxes (b) you buy.
Answer:
Step-by-step explanation:
i=75+5b
The expression that describes the total investment(money spent) in light is 75+ 5(b)
What are word problems?Word problems require the application of algebraic expression in solving real-life problems. It can be expressed with the use of variables and arithmetic operations.
From the given information:
The amount of money invested on lights = $75If a box (b) cost = $5The total investment spent in light = 75 + 5b
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plz help
there are 4 grams of fiber in 1/2 cup of oats how many grams of fiber are in 3 1/2 cups of Oats
Answer:
28 Grams
Step-by-step explanation:
each half cup is 4 Grams and you have 3 and a half cups so you take 3x2 which is 6 and then you do 6x4 which is 24 and you add another 4 cause of the extra half. hope this helps. :)
Need help ASAP!! Find the mid-point of the hypotenuse.
Step-by-step explanation:
Midpoint of Hypotenuse
= [(0 + n)/2, (n + 0)/2]
= (n/2, n/2) or (0.5n, 0.5n).
what is 0.0402 as a percent
Answer:
4.02%
Step-by-step explanation:
0.0402×100=4.02%
Answer:
4.02%
Step-by-step explanation:
x varies inversely as y/z.x=27 when y=9 and z=2
Answer:
y/z.x= 27
x=27.2/9
x=6
answer of it
Number 2 is the question
Answer:
C:2 gallons per minute
Step-by-step explanation:
Answer:
The answer is two gallons per minute.
Step-by-step explanation:
The gallons are always double the minutes. This means that there are 2 gallons per minute.
Find d.
Please explain if you know, thank you so much.
Answer: D is 8
Step-by-step explanation: nothing
Answer:
Step-by-step explanation:
the triangle is a 30º-60º-90º triangle, there's a formula for the sides of this type of triangle which I will attach
x = d
9 = x√3
9/√3 = x
x = 3√3
d = 3√3
PLEASE HELP ME!! I will mark you branliest
Answer:
10
Step-by-step explanation:
The perimeter of one side (RS) is 4, while the other (QS) Is slightly longer. Round it to 4. And the last side (QR) is half the size of the first side (RS)
Therefore, the answer should be 10
A number decreased by fourteen is equal to eighteen
Answer: 32
Step-by-step explanation:add 14 to 18
Answer:
32
Step-by-step explanation:
32 is the answer because 18 plus 14 equals 32. And so the number 32 decreased by 14 is 18.
(Need help ASAP) In a research experiment, the population of a colony of bacteria doubles every hour. The population, f(x), of the colony after x hours can be modeled by the function f(x)=25 ⋅ 2x. What values for the domain are reasonable in the given context?
1. all real numbers
2. all real numbers greater than 0
3. all real numbers greater than or equal to 0
4. all real numbers greater than or equal to 25
Answer:
Step-by-step explanation:
The answer is 3
The reasonable domain is all real numbers greater than or equal to 0.
What is domain?The collection of all conceivable independent values that a function or relation may take is known as its domain.
Given:
In a research experiment,
the population of a colony of bacteria doubles every hour.
Here, we can use exponential growth function.
The population, f(x), of the colony after x hours can be modeled by the function f(x)=25 ⋅ 2ˣ.
The value of x can not be negative because it represents time.
The domain of the function is all achievable values.
So, the domain is all real numbers greater than or equal to 0
Therefore, the domain is all real numbers greater than or equal to 0.
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apple watch costs $325. There is an 8% sales tax rate. What is the total amount of tax in dollars and cents?
Answer:
$26.00
Step-by-step explanation:
no explination :D
Answer:
the tax would be 26
Step-by-step explanation:
PLEASE HELP ON ALL, I WILL MARK BRAINLY
Step-by-step explanation:
4.
3pounds for $6.99
a.
1 pounds =$6.99/3=$2.33
b.
10 pounds =10×$2.33=$23.3
10.
area right triangle =1/2 bh=1/2 ×{50×30}=750mm²
y= 3x – 6
y = -x + 2
Plot two lines by clicking the graph.
Answer: x=−2/17 and y=−6/17 look at the picture
Step-by-step explanation: hope this help :)
HELP HELP HELP HELP FAST
Answer:
[I didn't do it right]
Step-by-step explanation:
[Deleted since it has been said to be wrong and I would not like to spread misinformation]
Please help me it’s due today
Answer:
1.) slope=6/2 or 3 y-int =2 equation = y=3x+2
2.) slope = -10/1 or -10 y-int = 60 euation = y=-10x+60
Step-by-step explanation:
Slope is rise over run
y-intercept is when x =0
equation is y=mx+b
m=slope and b=y-int
Helpppp me plzzzzzzzzzz
Answer:
it is correct
Step-by-step explanation:
trust ur gut
Answer:
you have to correct answer
Step-by-step explanation:
just convert the square roots and fractions to whole numbers and then put them from least to greatest
PLZZZ HURRY!
Cassie has a wood board that is 34 foot long. She wants to cut the board into pieces that are 18 foot long. Which expression will help Cassie find how many pieces she can cut?
A. 34−18
B. 34÷18
C. 18⋅34
D. 18÷34
Answer:
B
Step-by-step explanation:
‼️‼️Pls Help this is due soon and I will give brainliest to first answer‼️‼️
Which problem will graph as shown
A) -17 < 3 - 5x
B) 17 > 3 - 5x
C) 17 ≥ 3 - 5x
D) 17 ≤ 3 - 5x
Answer:
The answer is A!
A chef has some broccoli, cauliflower, carrots, and squash to make a vegetarian dish. List the possibal combinations if he uses only 3 vegetables in the dish.
Answer:
the chef could make a casserole, sou, and veggie burger
Step-by-step explanation:
PLZZZ HELP ME!
help me
Answer:
1. 1/3
2. 4/9
3. 5/8
Step-by-step explanation:
1. 3/6 - 1/6 = 2/6 = 1/3
2. 7/9 - 3/9 = 4/9
3. 7/8 - 2/8 = 5/8
What number is 45% of 580?
Answer:
261
Step-by-step explanation:
PLEASE Help mE wiTh the two QUESTIONS
Answer:
the coefficient 2 is the slope (each coordinate is 2 units up and 1 unit right from the previous unit)
the constant 3 is the y-intercept (0, 3)
Step-by-step explanation:
Write an equation where a number is added to a variable, and a solution is -8.
Answer:
-2 - -10
Step-by-step explanation:
Choose the graph of y = -3x – 1
Answer:
The line on the graph below is my answer.
The graph of function y = -3x – 1 has been drawn below.
How to plot a graph?A graph is a diagram that shows the fluctuation of one variable in relation to one or more other variables.
In order to plot the graph, we need to find out y's values corresponding to x's value
After that, we need to substitute the values of x's and y's into the coordinate geometry.
Given the line equation y = -3x – 1
At x = 0 ⇒
y = -3(0) - 1
y = -1
So,
A(0,-1) is the first point on the line.
At y = 0 ⇒
0 = -3x – 1
x = -1/3
So,
B(-1/3,0) is the second point on the line.
Hence "The graph of function y = -3x – 1 has been drawn below".
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-4x-12<12 this is equations and inequalities and I really need help LOL
Answer:
[tex]x>-6[/tex]
Step-by-step explanation:
[tex]-4x-12<12[/tex]
[tex]-4x-12+12<12+12[/tex] (Add [tex]12[/tex] to both sides of the inequality to isolate [tex]x[/tex])
[tex]-4x<24[/tex] (Simplify)
[tex]\frac{-4x}{-4}<\frac{24}{-4}[/tex] (Divide both sides of the inequality by [tex]-4[/tex] to get rid of [tex]x[/tex]'s coefficient)
[tex]x>-6[/tex] (Simplify, don't forget to flip the sign of the inequality when multiplying or dividing by a negative number)
Hope this helps!
13. How many square feet of flooring
are needed to
cover the entire floor of Bedroom 1?
Answer:
8 feet squared
Step-by-step explanation:
The area of bedroom 1 is 2 length and 3 width. multiply them and you get 6ft^2 plus the 2 squares on the right.
The area of Bedroom 1 is,
⇒ 32 feet²
What is mean by Rectangle?A rectangle is a two dimension figure with 4 sides, 4 corners and 4 right angles. The opposite sides of the rectangle are equal and parallel to each other.
Given that;
To find square feet of flooring are needed to cover the entire floor of Bedroom 1.
Here, We have;
1 in = 4 feet
Hence, Length of bedroom 1 = 8 feet
Width = 4 feet
Thus, The area of Bedroom 1 is,
⇒ 8 x 4 = 32 feet²
Hence, The area of Bedroom 1 is,
⇒ 32 feet²
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If ∠ G is supplementary to ∠ H and the measure of ∠ G is 65 ° what is the measure of ∠ H ?
Please help
Measure of ∠H = 115°
What are supplementary angles?Two angles are called supplementary when sum of their measures is 180 degrees.
Given,
∠G is supplementary to ∠H
∠G is 65 °
∠G + ∠H = 180°
65° + ∠H = 180°
∠H = 180° - 65°
∠H = 115°
Hence, 115° is measure of ∠H .
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What is the to m(3 +m)
Answer:
3m+m^2
Step-by-step explanation:
Answer:
I love algebra anyways
The ans is in the picture with the steps how i got it
(hope this helps can i plz have brainlist :D hehe)
Step-by-step explanation:
Enter the number that makes the equation true
Answer:
8.1
Step-by-step explanation:
