Answe: She also received a coupon for 15% off the sale price. ... in price, in percentage terms, between the initial price of the shoes and the sale price?. The first way is to find the amount of the discount and subtract from the original price
Step-by-step explanation:
What are the x-intercepts of the function y = x2-x-120? Check all that apply.
0 (-120,0)
0 (-11.466, 0)
O (-10.466,0)
(0, -120)
(10,466, 0)
(11.466,0)
Answer:
it is (-10.466,0) and (11.466,0)
Step-by-step explanation:
Answer:
3 : (-10.466, 0)
6 : (11.466,0)
Step-by-step explanation:
HELPPP MEE BEST ANSWER GET THE BRAINLIEST!!
Answer:
The correct answer is 1/2 = ?/100
Step-by-step
The circle is divided into 2 halves and the angle is 100 degrees
What is the volume of the following figure ?
The required volume of the given figure is 7 cubic units.
What is volume?Volume is defined as the mass of the object per unit density while for geometry it is calculated as profile area multiplied by the length at which that profile is extruded.
What is simplification?The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.
Here,
The volume of the given 1 cube is 1 cubic unit,
Now,
In the figure,
There are 7 cubes,
So the volume is given as = 1 × 7 = 7 cubic units.
Thus, the required volume of the given figure is 7 cubic units.
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How many ounces are in 2 ounces
Answer:
2 ounces are in 2 ounces
Step-by-step explanation:
Answer:2
Step-by-step explanation:
what is 12×11 pls answer quickly
Answer:
132 that's the answer...!!
I neeed the answers to these two please explain
Answer:
I think it is g and a
Step-by-step explanation:
Solve for b
7b-2/5=6b− 7/5
Answer:
- 1
Step-by-step explanation:
Step 1:
7b - 2/5 = 6b - 7/5 Equation
Step 2:
7b = 6b - 1 Add 2/5 on both sides
Answer:
b = - 1 Subtract 6b on both sides
Hope This Helps :)
I need help on this question please
Answer:
Its 3
Step-by-step explanation:
Add them all together and divide by 6
Which table represent a function
Answer:
Table 1
The first table
Step-by-step explanation:
Answer:
the first table (A
Step-by-step explanation:
the inputs dont repeat
Anthony Tedesco sold his used mountain bike and accessories for $306. If he
received 8 times as much money for the bike as he did for the accessories, find
how much money he received for the bike.
He received $
for the bike.
12 1 1 point If s = 12, what is 10s ?
The cost of the average ticket for a hockey game from 2001 to 2011 is recorded
on the graph below. A data scientist created a line of best fit to model the relationship, with an equation of y = 3x + 22. Based on this equation and assuming that the price trend continues, which of the following is the best estimate for the price of hockey tickets in 2013?
Answer: it’s $38.00
Step-by-step explanation:
Multiply (3x-7)(2x^2-8x+3)
Answer:
6x^3-38x^2+65x-21
Step-by-step explanation:
.......................help pls
Answer:
The first one is incorrect
Step-by-step explanation:
3^2 - 5 + 2
9 - 5 + 2
4+2 = 6 (not 42)
Answer:
It is D because if 3 to the second power is 9-5=4+2=6
Step-by-step explanation:
heeeeeelp plllz quick asap guys!!! ill do brainliesttt
Ann, Ben, and Cindy were eating strawberries. The ratio of the numbers of berries they ate is 5:5:7. If Cindy ate 30 strawberries less than Ann and Ben together, what is the total number of strawberries the three of them ate?
Answer:
A:B:C = 5:5:7 or 5x : 5x : 7x
Cindy ate 30 Skittles less than Ann and Ben together
-----> 7x = 5x + 5x - 30
-3x = -30
x = 10
5x = 50
7x = 70
They ate 50+50+70 = 170 of them
Answer:
170
Step-by-step explanation:
because it is
What is/are the variable(s) is the equation C = 2\pir?
Answer:
there are 2 variables: C is the dependent variable and r is the independent variable
Step-by-step explanation:
given
C = 2πr
we know that the value of 2π doesn't change (because π = 3.14.. and doesn't change) hence 2π is a constant value.
The only two items in the formula that could possibly change are
C and r
When the value of r changes, it will affect the value of C (i.e the value of C is dependent on the value of x)
Therefore there are 2 variables: C is the dependent variable and r is the independent variable.
Factor x3 – 7x2 – 5x + 35 by grouping. What is the resulting expression? (x2 – 7)(x - 5) (x2 – 7)(x + 5) (x2 – 5)(x – 7) (X2 + 5)(x - 7)
Answer:
The answer is C
Step-by-step explanation:
I just took the quiz
The factored expression of x^3 – 7x^2 – 5x + 35 is (x^2 - 5)(x - 7)
What is an expression?An expression is an algebraic term used for a mathematical statement that include variables and mathematical operations
How to factor the expression?The expression is given as:
x^3 – 7x^2 – 5x + 35
Factorize
x^2(x – 7) – 5(x - 7)
Factor out x - 7
(x^2 - 5)(x - 7)
Hence, the factored expression is (x^2 - 5)(x - 7)
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Find the range of the function. ƒ(x) = x2 + 3
A) {x: x ≥ 3}
B) {x: x ≤ 3}
C) {x: x ≥ −3}
D) {x: x ≤ −3}
Answer:
c
Step-by-step explanation:
Answer:
A) {x: x ≥ 3}
Step-by-step explanation:
took the test
Domain: (−∞,∞),{x|x∈R}
Range: [3,∞),{y|y≥3}
I think the answer is 74088 I’m not sure pls help!!
Answer:
yes you are correct
Step-by-step explanation:
6 times 6 times 6 times 7 times 7 times 7 is 74088
Suppose Đ1 and Đ2 are known to be complementary. If mÐ1 = 20, then mÐ2 =
0 20
O 70
0 340
0 160
Answer:
70
Step-by-step explanation:
complementary angles are 2 angles that add up to 90, the first angle is already 20 so just subtract 90-20 to find other angle
8r-9r+11r what is the answer
Answer:
10r
Step-by-step explanation:
8r - 9r +11r
-r +11r
10r
What is a complimentary angle
Answer:
Step-by-step explanation:
it is an angle that adds up to 90 degrees.
Answer:
Complementary angles are two angles that, when their measurements are added together, add up to be 90°.
Step-by-step explanation:
For example, two angles that measure 31° and 59° respectively would be complementary angles.
Hope this helps!
The perpetrator is either one or the other of the two persons X and Y. Both persons are on the run from the authorities, and after an initial investigation, both fugitives appear equally likely to be the perpetrator. Further investigation reveals that the actual perpetrator has blood type A. 10% of the population has blood type A; you may assume that the innocent one of persons X and Y has a 10% chance of having blood type A. In the investigation, you find two samples of blood; the first sample belongs to person X, and the second sample belongs to person Y. In the process of testing the blood, the sample belonging to person Y was accidentally destroyed (you may assume that the destruction was random). The sample belonging to person X was determined to be blood type A. In light of this new information, find the probability that person X is the perpetrator
Answer:
The probability is [tex]P(X | B) = 0.91[/tex]
Step-by-step explanation:
Generally the probability of the perpetrator being X is equal to the probability of the perpetrator being Y (given that both fugitives appear equally likely to be the perpetrator )
This can be mathematically represented as
[tex]P(X) = P(Y) = \frac{1}{2}[/tex]
Let G represent the event that the blood type of the sample is type A
Generally if X has a blood type A then it is almost certain that the perpetrator is X compared to Y
This can be mathematically represented as
[tex]P(G | X) = 1[/tex]
( Here this means the probability of the sample being of type A given that the X has a blood type A )
Given that the sample belonging to Y accidentally destroyed
Then the probability that Y is innocent given that the blood type of Y is of type A
This can be mathematically represented as
[tex]P(G | Y) = 10\%[/tex]
[tex]P(G | Y) = 0.10[/tex]
Generally according to Bayes rule the probability that person X is the perpetrator mathematically as
[tex]P(X | G) = \frac{P(G|X) * P(X)}{ P(G|X) * P(X) + P(G | Y ) * P(Y)}[/tex]
[tex]P(X | B) = \frac{1 * 0.5 }{ 1 * 0.5 + 0.10 * 0.5}[/tex]
[tex]P(X | B) = 0.91[/tex]
The National Center for Health Statistics, housed within the U.S. Centers for Disease Control and Prevention (CDC), tracks the number of adults in the United States who have health insurance. According to this agency, the uninsured rates for Americans in 2018 are as follows: 5.1% of those under the age of 18, 12.4% of those ages 18–64, and 1.1% of those 65 and older do not have health insurance (CDC website). Approximately 22.8% of Americans are under age 18, and 61.4% of Americans are ages 18–64.a. What is the probability that a randomly selected person in the United States is 65 or older?b. Given that the person is an uninsured American, what is the probability that the person is 65 or older?
Answer:
a. 0.158
b. 0.01942
Step-by-step explanation:
For part a we define probability that the randomly selected person is if 65 years or more than that
a.
Probability of under age = 22.8% = 0.228
Probability of those from age 18 to 64 = 61.4% = 0.614
1-0.228-0.614
= 0.158
b.
P(uninsured) = p(those not up to 18) * p(those uninsured or under 18) + p(those age 18-64) * p(uninsured or under 18) + p(being 64plus) x P(uninsured or 64 plus)
= 0.228 x 0.051 + 0.614 x 0.124 + 0.158 x 0.011
= 0.011628 + 0.076136 + 0.001738
=0.089502
P(65 of older|uninsured) = p(64+) x P(uninsured or 64 plus)
= 0.157 x 0.011/0.089502
= 0.001738/0.089502
= 0.01942
a. The probability that a randomly selected person in the United States is 65 or older is 0.158
b. In the case when the person is an uninsured American so the probability is 0.01942
Calculation of probabilities:a.
Since
Probability of under age = 22.8% = 0.228
And,
Probability of those from age 18 to 64 = 61.4% = 0.614
So, the probabilities of 65 or older is
= 1 - 0.228-0.614
= 0.158
b.
Now
P(uninsured) = p(those not up to 18) × p(those uninsured or under 18) + p(those age 18-64) × p(uninsured or under 18) + p(being 64plus) × P(uninsured or 64 plus)
= 0.228 × 0.051 + 0.614 × 0.124 + 0.158 × 0.011
= 0.011628 + 0.076136 + 0.001738
=0.089502
So,
P(65 of older|uninsured) = p(64+) × P(uninsured or 64 plus)
= 0.157 × 0.011 ÷ 0.089502
= 0.001738 ÷ 0.089502
= 0.01942
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Luna rented a car for $83.00 a week plus $0.20 for each mile the car is driven. What is
the greatest number of miles Luna can drive the car in one week if she wishes to spend at
most $100.00
Answer:
135 miles
Step-by-step explanation:
So first we have to find the difference of 83 and 100. So 100-83=27. So for miles, she can spend 27 dollars. Now, since per mile it costs 20 cents or 1/5 of a dollar, every time she drives 5 miles she'll have to pay one more dollar. So One dollar = 5 miles. Then we do the total amount of money she can spend on miles (27) and multiply that by the amount of miles per dollar (5) and we get 135 miles. So she can drive 135 miles.
To earn a fitness reward, your average heart rate while walking must be between 80 and 89 beats per minute, inclusive. Suppose you recorded 85, 81, and 87 beats per minute on your first three recordings. What are the possible heart rates you can have on the fourth and final recording in order to earn a fitness reward?
Answer:
Between 67 and 103 beats per minute
Step-by-step explanation:
The minimum would be 80. That means that the minimum sum would have to be 320 among the four numbers.
85+81+87=253
320-253=67 so 67 will be the minimum
now, we should see the maximum. It will be 89 so the sum of the four numbers cannot be anymore than 89*4 which is 356
So, 356-253=103
yay savvas, my favorite
A. between 67 and 103 beats per minute inclusive
Step-by-step explanation:
What I did was I just started from the top and tried out the mean with 69 and saw that that was 80, so that was right. Then I tried 103, and that was 89, so that's obviously the max. So it was pretty simple. I do not know the way you are supposed to do it. That's what I came on here for, but none of the answers anyone but was right..
For one English test, sandy had to answer 15 questions. Of these questions, she answered 80 percent of them correctly. How many questions did sandy correctly answer on her test?
Answer:
12
Step-by-step explanation:
15×0.8= 12
you're multiplying the total number of questions with the score as a decimal
Tyler has two different maps of Ohio.
♦ The scale on the first map is 1 cm to 10 km. The distance from Cleveland to Cincinnati is 40 cm.
♦ The scale on the second map is 1 cm to 50 km.
What is the distance from Cleveland to Cincinnati on the second map? Explain your reasoning.
Answer:
First map, 1cm:10km
Distance between cleveland and cincinnati :
[tex]40 \times 10km = 400km[/tex]
Second map, 1cm: 50km
[tex] \frac{400km}{50km} = 8[/tex]
Therefore, the distance between the two places in second map will be 8 cm.
The distance between the two places on the second map will be 8 cm.
What is scaling on the map?
The ratio between a distance on a map and its corresponding distance on the ground is referred to as the "map scale." One kilometer on the ground is equal to one centimeter on a map with a scale of 1:100,000.
Given that the scale on the first map is 1 cm to 10 km. The distance from Cleveland to Cincinnati is 40 cm. The scale on the second map is 1 cm to 50 km.
The distance from Cleveland to Cincinnati on the second map will be calculated as below:-
40 X 10 = 400 KM
Second map, 1cm: 50km
( 400 / 50 ) = 8 cm
Therefore, the distance between the two places on the second map will be 8 cm.
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Find The Slope of the Line
A 2
B -1/2
C 1/2
D -2
Answer:
b. -1/2
Step-by-step explanation:
the slope is negative so we can get choices a and c out. and you go down 1 over 2
a sin^3theta+b cos^3theta=sintheta costheta and a sintheta-b costheta=0 then prove a^2+b^2=1
Answer:
Proof in explanation
Step-by-step explanation:
Trigonometric Identities
The basic trigonometric identity is:
[tex]\sin^2\theta+\cos^2\theta=1[/tex]
We'll use it and some basic algebra to prove that, given:
[tex]a sin^3\theta+b cos^3\theta=sin\theta cos\theta[/tex]
And
[tex]a\sin\theta-b\cos\theta=0[/tex]
Then
[tex]a^2+b^2=1[/tex]
From the equation:
[tex]a\sin\theta-b\cos\theta=0[/tex]
We have:
[tex]a\sin\theta=b\cos\theta\qquad [1][/tex]
The equation
[tex]a sin^3\theta+b cos^3\theta=sin\theta cos\theta[/tex]
Can be rewritten as
[tex]a\sin\theta \sin^2\theta+b \cos^3\theta=\sin\theta \cos\theta[/tex]
Replacing [1]:
[tex]b\cos\theta \sin^2\theta+b \cos^3\theta=\sin\theta \cos\theta[/tex]
Taking the common factor:
[tex]b\cos\theta (\sin^2\theta+ \cos^2\theta)=\sin\theta \cos\theta[/tex]
The expression in parentheses is 1, thus:
[tex]b\cos\theta =\sin\theta \cos\theta[/tex]
Dividing by [tex]\cos\theta[/tex]
[tex]b=\sin\theta[/tex]
Replacing in
[tex]a\sin\theta=b\cos\theta[/tex]
We have
[tex]a\sin\theta=\sin\theta\cos\theta[/tex]
Dividing by [tex]\sin\theta[/tex]
[tex]a=\cos\theta[/tex]
Now:
[tex]a^2+b^2=(\cos\theta)^2+(\sin\theta)^2[/tex]
This expression is 1, thus it's proven:
[tex]\boxed{a^2+b^2=1}[/tex]
