Answer:
12/100 is the defective rate
so 12/100*12/100*(1-12/100
Step-by-step explanation:
A student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer correctly? (round to the nearest whole number)
(Please answer with explination)
Answer:
Required Answer:-A student earned 80% in a math test which has 20 problems.It means The student answers 80% of 20 problems correctly[tex]\longrightarrow[/tex][tex]\sf 80\%\:of\:20 [/tex]
[tex]\longrightarrow[/tex][tex]\sf {\dfrac{80}{{\cancel{100}}}}\times {\cancel{20}} [/tex]
[tex]\longrightarrow[/tex][tex]\sf {\dfrac {80}{5}}[/tex]
[tex]\longrightarrow[/tex][tex]\sf 16 [/tex]
[tex]\therefore[/tex] The student answered 16 problems correctly
express the following as a ratio in its simplest from
9 to 16
10 to 12
20 to 16
24 to 36
9:16 -> 3:8
How?
Divide each side by 2 (the GCF).
10:12 -> 5:6
How?
Divide each side by 2 (the GCF).
20:16 -> 5:4
How?
Divide each side by 4 (the GCF).
24:36 -> 2:3
How?
Divide each side by 12 (the GCF).
Answer:
9: 16 for 9 to 16; is the simplest form for 9/16 cuz nothing can go into 9 and 16
5 : 6 for 10 to 12; cuz 10 divided by 2 is 5 and 12 divided by 2 is 6!
5: 4 for 20 to 16; cuz 20 divded by 4 is 5 and 16 divded by 4 is 4
lastly is 2:3 for 24 to 36; why? well it's ciz 24 divided by 12 is 2 and 36 divedde by 12 is 3
hope this helps and pls don't delate my answer!
How many 2 letter permutations can be made from the word "letter"
Answer:
Brainliest for Brainliest
Step-by-step explanation:
A computer monitor is packaged in a cube-shaped box with an inside edge length of 2.5 feet.What is the volume of the box?
Answer:
odlxksms
Step-by-step explanation:
skzkxjkdidok
Graph each function and determine the y-intercept, then use the graph to determine the approximate value of the given expression. y = 3^x, 3^1.2 a. 1; 3.7 c. 0; 3.9 b. 1; 2.9 d. 0; 3.5
Answer:
The right answer is A
Step-by-step explanation:
The value of the exponential equation is y = 3ˣ and the graph is plotted
What are the laws of exponents?When you raise a quotient to a power you raise both the numerator and the denominator to the power. When you raise a number to a zero power you'll always get 1. Negative exponents are the reciprocals of the positive exponents.
The different Laws of exponents are:
mᵃ×mᵇ = mᵃ⁺ᵇ
mᵃ / mᵇ = mᵃ⁻ᵇ
( mᵃ )ᵇ = mᵃᵇ
mᵃ / nᵃ = ( m / n )ᵃ
m⁰ = 1
m⁻ᵃ = ( 1 / mᵃ )
Given data ,
Let the exponential equation be represented as A
Now , the value of A is
y = 3ˣ be equation (1)
Now , the y intercept of the equation is when x = 0
So , when x = 0
y = 3⁰
y = 1
Now , when y₁ = 3^1.2
The value of y₁ = 3.7
Therefore , the y intercept of the equation is 1 and the graph is plotted
Hence , the exponential equation is y = 3ˣ
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Choose the behaviors that are IF YOU HELP ME IN LESS THATN 2MINS I WILL GIVE YOU BRAINLY MASTER THING!!!exhibited by someone who is using critical thinking.
Questions ideas and beliefs
Assesses information gathered
Gathers relevant information
Tests conclusions against reasonable criteria
Thinks along a narrow track
Jumps to conclusions
Answer: what do you need
Step-by-step explanation:
two students have examined the scatter plot shown in have created in line best fit for the data. student A believes that the line of best fit for the data is y= -2x + 24, while student B believes that the line of best fit for the data is y = 1.5 + 23
*Determine which student created a better line of best fit given the data in the graph.
Answer:
Step-by-step explanation:
im pretty sure its student a not 100% sure tho
The line of best fit is simply the trending line of a graph
Student A creates a better line of best fit
The linear equations are given as:
[tex]\mathbf{y = -2x + 24}[/tex]
[tex]\mathbf{y =1.5x + 23}[/tex]
The given graph shows a negative linear association.
This is so because, as the x-values increases, the y-values decreases.
This in other words means that:
The slope of the graph is negative
A linear graph is represented as:
[tex]\mathbf{y = mx + c}[/tex]
Where: m represents slope
By comparison
m = -2 and m = 1.5 for the equations of the two students.
Because the slope of the graph is negative, then
m =-2 is correct
Hence, student A creates a better line of best fit
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You walk 1/5 miles to a clothing store. Than you walk another 1/4 miles to a shoe store. How many miles have you walked in all?
Answer: She has walked 9/20 miles in total
Step-by-step explanation:
1/5*4=4/20
1/4*5=5/20
4/20+5/20=9/20 miles
(-73d4)(4cd3)
answer
192cd2 is your answer the end 2 should be squared sorry
Answer:
-292d^7c
Step-by-step explanation:
just occupying space up hear !
and the question is
simplify;
2+3√2!
What is the probability of getting a 3 or 7 when drawing a single card from a deck of 52
Answer:
1/52
Step-by-step explanation:
There are 52 cards you can draw from, 3 is one of them. 7 is another possibility.
If shoes were 15% off and you save nine dollars what was the original price
Divide amount saved by percentage:
9/0.15 = 60
The original price was $60
Answer:$60
Step-by-step explanation:
9/15=0.6
0.6=1%
0.6*10=$60
There exists a similarity transformation that maps AABC to AA'B'C'. The measure
of ZAis 68°, and the measure of ZBis 46°. What is the measure of ZC'in
degrees?
Answer:
∠C' = 66°
Step-by-step explanation:
Because triangles ABC and A'B'C' are similar, their angles are still the same; only their side lengths are different, though still proportionate.
Hence, ∠A = ∠A', ∠B = ∠B', and ∠C = ∠C'.
Here, we're given that ∠A = 68, which means ∠A' = 68; we also know that ∠B = 46, so ∠B' = 46.
We want to find C', so remember that all angles in a triangle sum to 180:
∠A' + ∠B' + ∠C' = 180
68 + 46 + ∠C' = 180
114 + ∠C' = 180
∠C' = 66°
Answer:
∠C' = 66°
Step-by-step explanation:
∠A' + ∠B' + ∠C' = 180
68 + 46 + ∠C' = 180
114 + ∠C' = 180
∠C' = 66°
75/6 hasta que el residuo sea cero
75/6 no puede tener un resto de cero ya que 6 solo entra en 7 12 veces con el resto de 3
You sell 200 laptops per month at $499 per laptop. You sell 350 smartphones per month at $399 per phone. Which
generates more sales in dollars for you?
a) Laptops
b) Smartphones
Answer:
B) Smartphones
Step-by-step explanation:
In order to answer this question we need to find the total revenue for the laptops and smartphones.
Let's start with the laptops.
Given:
200 laptops/month$499 per laptopTo find the total revenue of all these laptops we need to multiply 200 by 499.
[tex](200) *(499) = 99,800[/tex]
Therefore, the total revenue of the laptops alone is $99,800.
Now, let's do the smartphones.
Given:
350 smartphones/month$399 per smartphoneTo find the total revenue of all these smartphones we need to multiply 350 by 399.
[tex](350) * (399) = 139,650[/tex]
Therefore, the total revenue of the smartphones alone is $139,650.
Comparing the two revenues we see that the smartphones generate more sales in dollars.
Hope this helps!
- Kay
just trying to get this done to get some sleep, thank you!!
Please help with 5 :( I’ll mark u!
Answer:
m is slope, b is y=interecept and x and y is the coordinates
Step-by-step explanation:
Carlos can run 5 miles in 45 minutes, Kelly can run 10 miles in 80 minutes, and Mick can run 30 miles in 170 minutes
Answer:
Mick can run farther in less time if that's the question
Step-by-step explanation:
Mick's speed is faster.
What is speed?Speed is the ratio of distance and time.
It shows how fast an object is moving at a given time.
We have,
Carlos can run 5 miles in 45 minutes.
45 minutes = 45/60 = 0.75 hours
Speed.
= 5/0.75
= 6.66 miles per hour.
Kelly can run 10 miles in 80 minutes.
80 minutes = 1.33 hours
Speed.
= 10/1.33
= 7.5 miles per hour.
Mick can run 30 miles in 170 minutes
170 minutes = 2.8 hours
Speed.
= 30/2.8
= 10.7 miles per hour
Thus,
Mick's speed is faster.
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A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using this equation, find the maximum height reached by the rocket, to the nearest tenth of a foot.
y=-16x^2+275x+127
Answer:
1308.6 feetStep-by-step explanation:
Given is the quadratic equation
y= -16x^2 + 275x + 127It has the maximum height at its vertex, x-coordinate of which is calculated by the formula:
x = -b/2ax = -275/2(-16) = 8.6 rounded to the nearest tenthsCalculating the highest point:
y = -16(8.6)^2 + 275(8.6) + 127 = 1308.6 feet rounded to the nearest tenthsConsider that a population of fruit flies grew in a 40-day experiment. Average rate of change: 9 flies/day. Find the average growth rate from day 30 to day05
Answer: Average Growth Rate is 24.19%
Step-by-step explanation:
Given that;
Average rate of change = 9 flies/day
Average growth rate of change = ?
we can determine the average growth rate of change from the expression;
Average Annual Growth Rate = [((Present Value - Past Value)^1/N) - 1 ] × 100%]
Now our present value; 30th day = 9 × 30 = 270
past value; 05th day = 9 × 05 = 45
the value of N = 30 - 5 = 25
so we substitute
Average Annual Growth Rate = [((270 - 45)^1/25) - 1 ] × 100%]
= ([1.2419 - 1) × 100]
= 24.19%
Therefore Average Growth Rate is 24.19%
PLZ HELP ME I WILL MARK BRAINLIEST!!!
Answer:
i just kno that D is 0
Step-by-step explanation:
-7 +7=0
James, Priya, and Siobhan work in a grocery store. James makes $9.00 per hour. Priya makes 40% more than James, and Siobhan makes 5% less than Priya. How much does Siobhan make per hour?
Siobhan makes $ per hour.
Answer:
$7.98 per hour
Step-by-step explanation:
Which letter has rotational symmetry?
A. I
B. J
C. K
D. L
Answer:
K
Step-by-step explanation:
im guessing its K if not then its none!
What is 9x10= xxxxxxxx
Answer:
9x10 = 90
Step-by-step explanation:
10, 10, 10, 10, 10, 10,10, 10, 10
Replacing the maximum value of the data set with a smaller number will also affect the mean. A:always B:sometimes C:never
Answer:
B: sometimes
Step-by-step explanation:
Let's look at two examples.
Example A.
2, 3, 5: mean is 3
Replace 5 with 1. Now you have 1, 2, 3: mean is 2.
In this case, it affected the mean.
Example B.
2, 3, 5: mean is 3
Replace 5 with 4. Now you have 2, 3, 4: mean is 3.
In this case, it did not affect the mean.
As you can see, replacing the maximum value of the data set with a smaller number may or may not change the mean.
Answer: B: sometimes
given the grph of the function F(x) below, what happens to F(x) when x is a negative number with a large absolute value?
Answer:
F(x) is a large positive value
Step-by-step explanation:
If it is a negative number with a large absolute value say |-250| it would become positive 250 so f(x) would also be a large positive number
1. Determine the number of combinations of the letters of the word EXAMINATION given that
four letters are taken at a time.
(5marks)
Answer:
210
Step-by-step explanation:
10 choose 4. 10 letters choose 4. Using the combination formula. C(n,r)
Which point is located at (Negative 0.5, 0.75)? On a coordinate plane, point B is 0.75 units to the right and 0.5 units down. Point G is 0.75 units to the right and 0.5 units up. Point M is 0.5 units to the left and 0.75 units down. Point Z is 0.5 units to the left and 0.75 units up. point B point G point M point Z hurry
Answer:
It’s b
Step-by-step explanation:
Which is point g
Answer:
Z
Step-by-step explanation:
Answer it for Brainliest *URGENT*
Answer:
Step-by-step explanation:
A = π r²
A = 11²π - 3²π = ( 121 - 9 ) π = 112 π ≈ 112 × [tex]\frac{22}{7}[/tex] = 352 cm²
( 112 × 3.14 = 351.68 cm²)
If 25 is added to 5 times a certain number, the result is 7 times the number minus 35. Find the number.
Step-by-step explanation:
Required Answer:-Let the certain number =x
According to the question
[tex]{:}\longrightarrow[/tex][tex]\sf 5x+25=7x-35 [/tex]
Simplify[tex]{:}\longrightarrow[/tex][tex]\sf 7x-35=5x+25 [/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf 7x-5x=25+35 [/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf 2x=60 [/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf x={\dfrac {60}{2}}[/tex]
[tex]{:}\longrightarrow[/tex][tex]\sf x=30 [/tex]
[tex]\therefore[/tex]The number is 30.