Answer:
4/8
Step-by-step explanation:
7/8 - 3/8 = 4/8
Ralphie's dad has a nutritionist who instructed him to consume less than 2,163 calories per day. He has already consumed 1,503 calories today and wants to eat some fruit bars that are 66 calories each. Which of the following inequalities could be used to solve for x, the number of fruit bars Ralphie's dad can eat without going over his calorie allotment?
Answer:
Ralphie's dad can eat 8 fruit bars without going over his calorie allotment.
If a•b=b, what must the value of a be?
Answer: I think f
Step-by-step explanation:
The value of a must be 1 in order for the equation to hold true .
If a * b = b, we can find the value of a by isolating it on one side of the equation .
Given that a * b = b, we can divide both sides of the equation by b :
( a * b ) / b = b / b
This equation simplifies to form :
a = 1
For a = 1 the equation is true .
Therefore, the value of a must be 1 in order for the equation to hold true .
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I need help with this
Answer: the one with the triangle shaped shaded green.
Step-by-step explanation:
If 2 dice were rolled 180 times, how many times would you expect to get the sum of 11? PLEASE HELLLLLPPPPP ASAP!
Answer:
The answer is 5 times
Step-by-step explanation:
1/6*1/6*180=5
the average of three numbers is 15. two of them numbers are 17 and 14 . what is the third number?,
Answer:
19
Step-by-step explanation:
Given average of 3 numbers = 17 Total of 3 numbers = 17×3 = 51. Given average of 2 numbers = 16 Total of 2 numbers = 16×2 = 32 Therefore, Third Number = 51–32 = 19
I need help I’m so lost
Answer:
B I think
Step-by-step explanation:
PLZ HELP MEE!!!
NO LINKS OR WEBSITES!!! YOU WILL GET REPORTED!!!
Answer:
[tex]90 in^{2}[/tex]
Step-by-step explanation:
Base is an equilateral triangle
slant hight= 12 in
side of base= 5 in
so, perimeter of base = 3(5)=15 in
lateral area = 1/2 pl =1/2 (15)(12) in
=90 in²
--------
hope it helps..
have a great day!!
Answer:
Step-by-step explanation:
lateral area = 1.5*12*5 =90
rewrite
3/20
and
2/15
so that they have a common denominator.
the answer can be that they can have a common denominator at 9/60 and 12/60?
If the average rate of change 10 is greater than the average rate of change of -12.5 explain why this is incorrect?
Answer:
Step-by-step explanation:
It's the magnitude of the average rate of change that's important here.
| -12.5 | is greater than | 10 |. The negative sign tells us that the function is decreasing on the given interval.
Jose is planning to spread fertilizer on his rectangular yard. His yard is length of 40 feet and width of 25 feet. How much fertilizer does he need?
On a standardized exam, the scores are normally distributed with a mean of 300 and
a standard deviation of 40. Find the Z-score of a person who scored 240 on the exam.
Answer:
-1.5
Step-by-step explanation:
The Z - score of a person who scored 240 on the exam will be - 1.5.
What is Standard deviation?
Standard deviation is the measure of dispersed the data is in relation to the mean. Low standard deviation means data are clustered around the mean, and high standard deviation indicates data are more spread out.
Given that;
On a standardized exam,
The mean of scores = 300
Standard deviation = 40
Score on the exam = 240
Now,
Since, The Z - score is defined as;
Z - score = (X - μ) / σ
Where, μ is mean of scores and σ is Standard deviation.
Substitute all the values , we get;
Z - score = (X - μ) / σ
Z - score = (240 - 300) / 40
Z - score = - 60 / 40
Z - score = - 1.5
Therefore,
The Z - score of a person who scored 240 on the exam will be - 1.5.
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What percentage of data values are less than 80
Answer:
100%
none are greater than 80
Step-by-step explanation:
First Bank of Springdale operates a one-lane drive-in ATM machine. Cars arrive according to a Poisson distribution at the rate of 12 cars per hour. The time per car needed to complete the ATM transaction is exponential with mean 6 minutes. The lane can accommodate a total of 10 cars. Once the lane is full, other arriving cars seek service in another branch. Determine the following:(a) The probability that an arriving car will not be able to use the ATM machine because the lane is full.(b) The probability that a car will not be able to use the ATM machine immediately on arrival.(c) The average number of cars in the lane.
Answer:
a) 0.19
b) 0.9689
c) ≈ 6 cars
Step-by-step explanation:
Rate at which cars arrive = 12 cars/hour = 1/5 cars/minute
time needed by each car to complete ATM transaction = 6 minutes = 1/6 car/minute
capacity of lane = 10 car
n = 10
a) Calculate the probability of an arriving not using the ATM because the line is full
p ( not using the ATM ) = 0.19
b) probability that a car will not be able to use the ATM machine immediately on arrival
P ( n > 0 ) = 1 - Po
= 1 - 0.0311 = 0.9689
c) Average number of cars in the lane
Lq = 5.74 ≈ 6 cars
attached below is the detailed solution
Can someone tell me which one of the following options from my photo is correct?
Answer:
C and E
Step-by-step explanation:
Expressions does not contain any equal or less than greater than sign
So C and E are the right answers
What’s the answer to this ?
Answer:
Step-by-step explanation:
[tex]0.25=\frac{x}{140} \\140*0.25=\frac{x}{140}*140\\35=x[/tex]
1st box: 140
2nd box: 140
3rd box: 35
which is equal to (6 times 9) plus (6 times 8)
Answer:
( 6 x 9 ) + ( 6 x 8) = 102
Step-by-step explanation:
The answer 102
Hope this helped!
Answer:
102
Step-by-step explanation:
6 times 9 is 54
8 times 6 is 48
Then add to get 102!!!
John applied for a loan of $5,000.00 with an annual interest rate of 3% to be repaid monthly for a year. The loan terms include a processing fee of 0.1% of the loan amount and a quarterly administrative charge of 0.05% of the loan amount. What is the total cost of financing?
Answer:
Enter the amount of money you are investing. Start Year. Enter the year in which the money was first invested. End Year. Enter the future year on which you want to base your calculation. Annual Interest Rate. Enter the annual compound interest rate you expect to earn on the investment. The default value (2.0%) equals the rate currently paid on five-year Guaranteed Investment Certificates
Step-by-step explanation:
Use the Pythagorean Theorem to find the length of the leg in the triangle below. The figure shows a right triangle with one leg marked 3. The hypotenuse is marked 5.
9514 1404 393
Answer:
4
Step-by-step explanation:
If the unknown leg is represented by x, then the Pythagorean theorem tells you ...
x² + 3² = 5²
The sum of the squares of the legs equals the square of the hypotenuse.
Solving for x, we have ...
x² = 5² -3² = 25 -9 = 16
x = √16 = 4 . . . . . . . only the positive root is of interest
The missing leg length is 4 units.
_____
Additional comment
This exercise shows you that the triple (3, 4, 5) will form a right triangle. It is the smallest integer "Pythagorean triple", and the only one that is an arithmetic sequence (the differences between the numbers are the same). You will see this a lot, sometimes multiplied by various factors: 6, 8, 10, for example. It is worth remembering.
Answer:
4
Step-by-step explanation:
Correct answers:
$4$
Let a represent the length of the leg and label a on the figure.
The figure shows a right triangle with legs marked a and 3. The hypotenuse is marked 5.
The figure shows a right triangle with legs marked a and 3. The hypotenuse is marked 5.
Using the Pythagorean Theorem with b=3, c=5, and solving for a, we have
a2+b2a2a2a2a2aa=c2=c2−b2=52−32=25−9=16=16−−√=4
The length of the leg is 4.
ahhhh I see now yes I do
Answer: yes
Step-by-step explanation: so smart I think
Can someone help? I hate math so much lol I don’t understand
Answer:
±6
Step-by-step explanation:
Given the mathematical expression;
√36 < √42 < √49
But, √36 = 6 * 6 = 6²
√49 = 7 * 7 = 7²
Simplifying further, we would substitute the new values respectively;
±[6] < √42 < ±[7]
Therefore, evaluating √36 is equal to ±6.
Penelope is driving to college. She looks at a map to find out how far she has to drive. On the map, Penelope measures the distance to be 7.5 inches. If the map scale is 1.5 in. = 40 mi, how many miles does Penelope need to drive?
Please Help!!
Answer: 200 miles
Step-by-step explanation:
The table below shows the base and height of three triangles in centimeters. Which triangles have the same area?
= 1/2 ℎ
Answer:
Triangle 1 and triangle 3 have same area.
Step-by-step explanation:
Given:
Triangle Base Height
1 30 16
2 60 40
3 20 24
Find:
Same area triangle
Computation:
Area of triangle = (1/2)(b)(h)
Area of triangle 1 = (1/2)(30)(16)
Area of triangle 1 = 240 unit²
Area of triangle 2 = (1/2)(60)(40)
Area of triangle 2 = 1200 unit²
Area of triangle 3 = (1/2)(20)(24)
Area of triangle 3 = 240 unit²
So,
Triangle 1 and triangle 3 have same area.
An item has a listed price of $45. If the sales tax rate is 3%, how much is the sales tax (in dollars)?
Answer:
1.35
Step-by-step explanation:
45 x .03
Can someone help ?
Marie has a can of tomatoes that is 5.75 inches tall and has a diameter of 3.6
inches. Which of the following is the closest to the volume of the can in cubic
inches?
A 234.11
B65.03
C 35.52
D58.53
Answer:
A 234.11
Step-by-step explanation:
[tex]= 234.11148454551 feet^{3}[/tex] is what you get lol
the volume of a cylinder varies jointly with the square of its radius and with its height: V= kr^2h Cylinder A has a volume of 197.82 cubic inches and has a radius of 3 inches and a height of 7 inches. what is the volume of cylinder B, which has a radius of 4 inches and a height of 9 inches
Answer:
452.16 in³Step-by-step explanation:
Given equation:
V = kr²hCylinder A has:
V = 197.82 in³r = 3 inh = 7 inUsing the given values find k:
197.82 = k*3²*7k = 197.82/63k = 3.14The equation now is:
V = 3.14r²hFind the volume of cylinder B:
V = 3.14*4²*9 = 452.16 in³Write an inequality for this situation:You are driving, and
the maximum speed limit is 55
Answer:
c
Step-by-step explanation:
The figure consists of parallel lines and transversal. Find the value of x and y.
Will give BRAINLIEST!!!!
Answer:
x = 28 y = 122
Step-by-step explanation:
Transversal Lines would be 112 and 4x
112 / 4 = 28
x = 28
y and 122 are alternate interior angles
so y = 122
hope this helps ^^
what is the reciprocal of c^2 + 8
please help!!
Answer:
the answer is the same.....
[tex]\frac{1}{c^2+8}[/tex]
The diagram shows the floor plan of a hotel lobby. The carpet that she wants to buy for that floor costs $3 per square foot. How much will it cost to carpet the lobby?
Answer: $ 1 710
Step-by-step explanation:
Area of parallelogram = base x height = 27 x 20 = 540ft2
Area of triagne = 1/2 x base x height = 1/2 x 3 x 20 = 30ft2
total = 540 + 30 = 570ft2
570 ft2 x $3 = $1 710
There are 56 sheep in a paddock. Each sheep is either black or white. There are 6 times as many white sheep than black sheep. How many black sheep are there?
Here we want to make a system of equations and solve it, in this way, we will see that there are 8 black sheep.
first, let's define the variables:
x = number of black sheep
y = number of white sheep.
We know that:
"there are 56 sheep"
Then we can write:
[tex]x + y = 56[/tex]
We also know that there are 6 times as many white sheep than black sheep, this means that:
[tex]y = 6 \cdot x[/tex]
Then we have a system of equations:
[tex]x + y = 56[/tex]
[tex]y = 6\cdot x[/tex]
To solve this we need to start by isolating one of the variables in one of the equations. Here, we can see that the variable y is already isolated in the second equation, so we can use that.
Now we can replace that variable in the other equation:
[tex]x + y = 56[/tex]
[tex]x + 6\cdot x = 56[/tex]
Now we can solve this for x, the number of black sheep:
[tex]7\cdot x = 56\\\\x = 56/7 = 8[/tex]
There are 8 black sheep.
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