Step-by-step explanation:
f(x) = -3x²
f(4) = -3(4²)
= -48
A random sample of students were asked whether they prefer milk juice or water is it results are summarized in the table.
Answer:
C
Step-by-step explanation:
The probability of students response is milk is 0.311.
What is probability?Probability deals with the occurrence of a random event. The chance that a given event will occur. It is the measure of the likelihood of an event to occur.The value is expressed from zero to one.
For the given situation,
The table shows the students preference of milk, juice or water.
Total number of students preferred milk = 14
Total number of students = 45
Thus the probability that the students response is milk is
[tex]P(e)=\frac{14}{45}[/tex]
⇒ [tex]P(e)= 0.311[/tex]
Hence we can conclude that the probability of students response is milk is 0.311.
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What is the equation in slope-intercept form of the line that passes through the points (-4, 2) and (12, 6)?
Answer:
Step-by-step explanation:
Find the coordinates of P.
Here is my answer. I hope this is helpful. If there is something you don't understand in my solution, you can ask me.
A. 20 mph
B. 35 mph
C. 70 mph
D. 100 mph
The answer is B. 35 mph
Speed is shown as distance/time
If you pick a point, for example 70 miles and divide it by the time which is 2 hours, then you get 35 miles per hour
The set for a school play needs a replica of a historic building painted on a backdrop that is 20 feet long and 16 feet high. The actual building measures 320 feet long by 256 feet high. A stage crewmember writes (x, y) arrow right ( 1/20 x, 1/20y) to represent the dilation. Is the crewmember's calculation correct if the painted replica is to cover the entire backdrop? Complete the explanation.
Answer:
Stage crewmember's calculation is incorrect
Correct = 1/16x 1/16y
Step-by-step explanation:
Given that:
Dimension of backdrop : 20 feets long ; 16 feets high
Actual dimension of building : 320 feets long ; 256 feets high
The correct scale factor can be obtained thus :
Ratio of backdrop dimension to the actual dimension of building
Length : 20 / 320 = 1 /16
Height : 16 / 256 = 1/16
Hence, stage crewmember's calculation of (1/20x ; 1/20y) is incorrect.
What is the median for the following set of data? 2, 3, 6, 8, 9, 10, 11 7 8 10 11
8 :)
Step-by-step explanation:
Please help! i really need help with this! question is below!
Step-by-step explanation:
Area of the square:
a^2: 4^2=16in^2
Area of the circle:
πr^2: π(4.5)^2= 63.6
Area of white part:
63.6 - 16 = 47.6
Probability of landing on square:
16/63.6 = 0.25
Probability of landing on white part:
63.6/16 = 3.975
Hurry please. Also thank you in advance
Answer:
The answer is C [tex]\sqrt{97}[/tex].
Step-by-step explanation:
Use the pythagorean theorem. [tex]a^{2} + b^{2} = c^{2}[/tex]. With a and b corresponding to the legs of the triangle.
What is another word for making something larger in a dilation
Answer:
expand enlarge
inflate lengthen
stretch broaden
open amplify
augment develop
Step-by-step explanation:
expand enlarge
inflate lengthen
stretch broaden
open amplify
augment develop
What is the answer for 10r x 20?
I need help with this, and I need the explanation with the answer if possible ^^
Answer:
200r
Step-by-step explanation:
All you have to do is multiply the 10 and 20 to get 200 and then put the r after the 20, so it would look like this 200r
What is 200×300?
A. 60,000
B. 5,000
C. 50,000
D. 6,000
Answer:
A. 60,000
Step-by-step explanation:
The answer is A because 2 × 3 is 6 then you add the 4 0's. So it would be 60,000
p(x)= 4x^3 -3x^2+5x-2
Answer:
p=4x^3−3x^2+5x−2/x
Step-by-step explanation:
Let's solve for p.
px=4x^3−3x^2+5x−2
Step 1: Divide both sides by x.
px/x=4x^3−3x^2+5x−2/x
p=4x^3−3x^2+5x−2/x
Answer:
p=4x^3−3x^2+5x−2/x
( I hope this was helpful) >;D
James buys a shirt and a pair of socks on sale for 20% off. If the price of the shirt
before the sale was $26 and he spent a total of $26, what was the original price of
the socks? Round to the nearest hundredth, if necessary.
Answer:
The Price of socks is
=
$
8
Explanation:
Given -
Discount 25%
Price of shirt before discount
=
$
24
Amount spent on both shirt and socks after applying discount
=
$
24
Assume the price of socks
=
$
x
Then Shirt + Socks before discount =
$
(
24
+
x
)
After discount one has to pay 75% of the article.
Then -
75
100
(
24
+
x
)
=
24
0.75
(
24
+
x
)
=
24
18
+
0.75
x
=
24
0.75
x
=
24
−
18
=
6
x
=
6
0.75
=
8
The Price of socks is
=
$
8
How to verify your answer -
One way
Price of shirt =$24
Price of socks =$8
Total =$32
Discount =25%
Discount for $32 is
32
×
25
100
=
$
8
Amount one has to pay after discount
=
32
−
8
=
$
24
Another way is -
Discount 25%
It means after discount it is enough if he pays 75% of the price.
In our case - Actual price is
=
$
32
75% of $32 is
=
32
×
75
100
=
2
Step-by-step explanation:
PLEASE HELP
Use the formula √(x2−x1)2+(y2−y1)2 to find the distance between the points(8,2) and (3,8) to the nearest tenth please
Answer:
Step-by-step explanation:
[tex]d=\sqrt{(3-8)^2+(8-2)^2} =\sqrt{25+36 }=\sqrt{61} \approx 7.81[/tex]
im sooo confused ???????????
Answer:
D
Step-by-step explanation:
A car is purchased for £11 500 In its first year, the value of the car will depreciate by 15%. Each year after that, the value of the car will depreciate by 10%. What is the value of the car at the end of 3 years?
Answer:
Value of the car at the end of 3 years is £7917.75
Step-by-step explanation:
The car is purchased for £11500.
In the first year, 15% depriciation.
So, depreciation on first year =11500 *[tex]\frac{15}{100}[/tex] =1725
After first year depreciation the value of car =11500-1725 =£9775
Now, second year depreciation is 10%
So, 10% of 9775 =0.10*9775 =977.5
Value of car after 2 years = 9775 -977.5 =8797.5
Now, for third year depreciation is 10%.
So, depreciation on 3 year = 10% *8797.5
=0.10*8797.5
=879.75
So, value of car after 3 years = 8797.5 -879.75 =£7917.75
How do I know where to put numbers on a graph
Answer:
X axis is on the left of the Coordinates (x,y) and Y axis is on te right
X goes sideways
Y goes Vertical
Step-by-step explanation:
what is 30% of $240?
Answer:
72
Step-by-step explanation:
.30×240
72
Answer:
$72
Step-by-step explanation
You need to turn a percent into a decimal. To do that, you move the decimal twice to the left so, 30%=.3.Multiply: 240*.3=72$72Hope this helped!! :)
Stay safe and have a wonderful day/night!!!!!
Brainliest?!?!
please answer asap 17 brainy points is all I had left
Answer:
A) 69.08 m
Step-by-step explanation:
C=2πr
C=2π(11)
C=22π
C≈69.12
Answer:
drraaaaaa wild'n out boiii
Step-by-step explanation:
Taking my points back.
- For English class, George must read 168 pages in 7 days. What is the unit rate of
pages to days?
Answer:
168 pages/7 days = 24 pages/1 day
Hope that helps, dude.
Show whether or not the points with coordinates (1,3) (4,2) (-2,6) are vertices of a right triangle
Answer:
No
Step-by-step explanation:
See attached
The radius of a salad bowl is 8.9 inches. What is the surface area of the bowl? (Assume the bowl is half a sphere and use 3.14 for ).
a. 3979.51 in2
b. 994.88 in2
c. 497.44 in2
d. 52.92 in2
Answer:
994.88 in2
Step-by-step explanation:
Use the surface area formula SA = 4(pi)(r2) which results in SA = 4(3.14)((8.9)2) = 994.88 square inches. Because the bowl represents half a sphere, it is necessary to divide that answer by 2 to get the surface of the bowl.
If radius of a salad bowl is 8.9 inches then the surface area of the bowl is 497.44 square inches, option c is correct.
What is Three dimensional shape?a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.
Given that radius of a salad bowl is 8.9 inches.
We have to find the surface area of the bowl
The surface area of a half-sphere is given by the formula:
SA = 2πr²
where r is the radius of the sphere.
In this case, the radius of the salad bowl is 8.9 inches.
Substituting this value into the formula, we get:
SA = 2 x 3.14 x (8.9)²
SA = 497.44 square inches
Surface area =497.44 square inches
Hence, if radius of a salad bowl is 8.9 inches then the surface area of the bowl is 497.44 square inches, option c is correct.
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