Answers
Related Questions
Freeee BRAINLY okkkkkkkkkkkkk
Answers
Answer: 80 + 2x +10 = 180
Step-by-step explanation:
Sorry if I'm wrong I just think that's the answer.
given that f(x)=x^2+5x-5, find f(2)
Answers
Answer:
9
Step-by-step explanation:
for this problem, plug in 2 for every x
2^2 + 5(2) -5
4 + 10 -5= 9
Answer:
9
Step-by-step explanation:
plug 2 in whenever you see the x
Select the expression that shows the next step for the following division
problem:
11 유는
x
6
a.
b.
5
11
5
d.
11
O a.
ob.
O d.
Answers
Casey paod $32 for a book that was on sale at 20% off. WHat was the original prize for that book
Answers
Answer:
$38.4
Step-by-step explanation:
20%=0.20
32*0.20=6.4
32+6.4=38.4
What type of study is described? (NOT A MULTIPLE CHOICE)
a. Managers of a forest preserve want to know what percent of the visitors with dogs keep their dogs on a leash. The park assigns an employee to count the numbers of visitors that do and do not use a leash.
b. A local newspaper polls citizens of a city about whether they support a local tax levy?
Answers
Answers:
a) Observational Studyb) Survey===========================================================
Explanation:
Part (a)
We have an observational study because the park ranger is observing the people coming and going, as to whether they leash their dog or not. The people being counted are not asked to fill out a form or survey, so that's why we aren't conducting a survey here.
Ideally, the park ranger should somehow make a visual note of each person so they do not count that person more than once. For example, let's say we had 500 people go through the park. Of that 500, the true number of people who leash their dogs is 20. I don't know what the true percentage is, but let's just go with this hypothetical situation. If those 20 people pass back and forth where this manager is taking note, then he might overcount some individuals and inflate that 20 to say 40 or 60, or perhaps even 100. This is if the ranger doesn't look at the individuals closely and simply marks a tally for "leash" vs "no leash". So that's why there needs to be some quick method to distinguish between any unique guest of the park.
--------------------------------
Part (b)
In contrast to part (a), we have a survey here this time. Each person is asked directly about a specific narrow well defined question. The newspaper reporter isn't going out into the field to simply watch or listen to people discuss about taxes, so that's why we don't have an observational study going on. The reporter should try to keep the question as bias-free as possible. Also, they need to ensure that the sample is representative of the population.
In neither part (a) nor part (b) is an experiment being done. An experiment requires two groups: a treatment group and control group. Also, the researcher would directly affect the treatment group to somehow change one specific aspect, while keeping the control group the same (though possibly giving a placebo of some kind). For each of these, the researcher is simply trying to stay out of the picture as much as possible while gathering the external data.
the supermarket down the street from tina sells a cereal like beard called delici-osos. Last week, they sold 45 boxes of cereal. How many boxes will they sell in 7 weeks?
Answers
Answer:
they will sell 315 boxes in 7 weeks
Step-by-step explanation:
This is because you have to multiply 45 x 7 = 315
Help with the questions b and c please
Answers
Answer:
b)1 hours 2 min
c)15min
Step-by-step explanation:
Easy 5th grade math help giving free brainliest. please answer!!
Answers
Answer:
12
Step-by-step explanation:
3 ÷1/4= 12Answer:
12
Step-by-step explanation:
3 ÷ [tex]\frac{1}{4}[/tex]
Keep the first number, change the symbol, and flip the fraction. (KCF)
[tex]\frac{3}{1}[/tex] × [tex]\frac{4}{1}[/tex] Solve
[tex]\frac{12}{1}[/tex] or 12
Pls help me on this problem
Answers
Answer:
The Answer for that is 100
Jessica is selling girl scout cookies and recorded how many she sold in one afternoon. She sold Thin Mints, Trefoils, and Samoas. a) She sold 54 boxes of Thin Mints, which was 60% of the total number she sold. How many total boxes did she sell? (3 points - 2 pts for correct answer, 1 pt for showing work)
Answers
Answer:
total # of boxes sold = 90
Step-by-step explanation:
54 is 60% of total #
54 = .6x
x = 54/0.6 = 90
HELP 30 POINTS!!!!!HELP 30 POINTS!!!!!HELP 30 POINTS!!!!!HELP 30 POINTS!!!!!HELP 30 POINTS!!!!!
What is the value of p in the equation?
One-fourth (8 minus 4 p) + 2 p = 12
–20
–2
5
10
Answers
Answer:
-10 if you meant 1/4(8-4p)
-20 if you meant 1/4{(8-4p)+2p}
Step-by-step explanation:
Answer:
-10 if you meant 1/4(8-4p)
-20 if you meant 1/4{(8-4p)+2p}
Step-by-step explanation:
hope this helps have a great day.
A pack of 12 pens costs £3.60 . How much does one pen cost ?
Answers
30 cents
Step-by-step explanation:
Divide 3.60 by 12 = 0.3
How many dimes is 5.60
Answers
Answer:
56
Step-by-step explanation:
a dime =10 cent
divide 5.6 by 0.1=56
1/3 of 4 feet=___inches
Plz help m confused ♀️
Answers
Answer: 16in
4 feet= x inches
4*12= 48
48/3= 16
1/3 of 4 feet is 16in
Answer:
16 inches
Step-by-step explanation:
(1 / 3) * (4 feet)
Two different formulations of an oxygenated motor fuel are being tested to study their road octanenumbers. The variance of road octane number for formulation 1 is ı2 = 1.5, and for formulation, 2it is ı2 = 1.2. Two random samples of size n1 = 15 and n2 = 20 are tested, and the mean roadoctane numbers observed are x1 = 89.6 and x2 = 92 5. Assume normality. Find the 95%confidence interval for the difference in the mean octane number.
Answers
Answer:chomai
Step-by-step explanation:chomai
The new TCL LED TV at Best Buy is regularly $299.
a) You have a 25% coupon. What is the sale price after the discount? $
b) What is the total purchase price if sales tax is 8.5%? $
Answers
b) $243.31
Answer:
1) 224.25
2) 243.31
Step-by-step explanation:
Please help!!!! !!!!!!!!
Answers
Step-by-step explanation:
Sum of all interior angles = 900°
A+B+C+D+E+F+G=900
120+B+148+90+142+130+129=900
B=900-759
B=141°
Charlie wants to buy a new bike. The bike costs $125 and he has a coupon for a 20% discount. How much money will he get to save with the discount?
Answers
Answer:
He will get to save 25 dollars.
Step-by-step explanation:
percentage formula:
($125×20) ÷ 100
(2500) ÷ 100
= 25
Answer:25
Step-by-step explanation: because you divide 11by20 hthen you add in th ermaneder
Find the value of x.
143
2x° 152
116°
to
1259
140°
139°
Answers
Answer:85 degrees
Step-by-step explanation:
Formula for sum of interior angles is (n-2)180. Since there are 7 sides, n-2 is 5.
5 x 180 = 900
Add all the angles given and subtract sum from 900 and you are left with 85 for the missing angle.
Dunkin Donuts sold 1,600 drinks in one day. Of those drinks, 87.5% of them were coffee . How many of the drinks were coffee?
Answers
Answer: 1400 is coffee.
Step-by-step explanation:
What is the area of this face?
10 in.
20 in.
5 in.
10 in.
10 in.
5 in.
10 in.
Answers
Answer:
its 200
Step-by-step explanation:
The area of a triangle is 30 square feet. If the height of the triangle is 5 feet, what is the base of the triangle?
Answers
Answer:
150
Step-by-step explanation:
Answer:
12 feet
Step-by-step explanation:
Area of a triangle is A = 1/2 b h
Plug in:
Area = 30
Height = 5
30 = 1/2 (5)b
Divide by 1/2:
30 / 1/2 = 60
60 = 5b
Divide by 5:
60 / 5 = 12
12 = b
Base = 12 feet
SOLVE THE LATRAL AND TOTAL SURFACE AREA OF THE CYLINDER
I NEED AN EXPLANATION
Answers
radius r=7
height h=9
let pi π = 3.14159
PLSS ANSWEER ILL GIVE BRAINLIEST
pls explain how to solve the equasion.
Answers
Answer:
there does not seem like a picture so I dont know the answer
please help , thank youu
Answers
Answer:
9.) would be 89 and 10.) would be 1500 ft
Answer:
A. 89 B. 1200 ft
Step-by-step explanation:
A.
5(-4²)+9
5(16)+9
80+9
89
B.
-150+1350=
1200
Type the correct answer in each box.
Lake Temperature (°C)
Lake A
-2
Lake B
0
Lake C
2
Lake D
-1
°C.
The coldest lake has a temperature of
°C, and the warmest lake has a temperature of
Reset
Next
Answers
Answer:
Coldest has - 2° C while warmest had 2 °C
A researcher plans to conduct a test of hypotheses at the 1% significance level. She designs her study to have a power of 0.90 at a particular alternative value of the parameter of interest. What is the probability that the researcher will commit a Type II error for the particular alternative value of the parameter at which she computed the power
Answers
Answer:
P(Type II error) = 0.1
Step-by-step explanation:
In statistics, the formula for power of a hypothesis is given by;
Power = 1 - P(Type II error)
Where P(Type II error) is the probability of making a Type II error.
We are told that the power is 0.9.
Thus;
0.9 = 1 - P(Type II error)
Making P(Type II error) the subject gives;
P(Type II error) = 1 - 0.9
P(Type II error) = 0.1
Question 2 of 43
What is the volume of this composite solid?
2 m
4 m
7 m
2 m
2 m
A. 58 cubic meters
Answers
Answer:
8 + 56 = 64
Step-by-step explanation:
Even if they dont give the third given length you can obviously see its a cube so all lengths are equal so multiply 2 by itself 3 times to get 8. Then the left figure will be multiplied like this: 7 x 2 x 4 = 56. Then you add them up to get 64.
Hii, Ok so basically I really need help with these questions they are really difficult and don't worry rewards are plenty a come. On the last question whoever give the right answer and is the quickest will get brainliest. But do not worry whoever answers this question will get a
1. Thank you *heart*
2. 5 star rating
3. Comment
So you may be wondering what the question is well take a look oh and by the way please do not give a random answer and its a maths question
Given that angle A = 284 degrees, work out x
Answers
90+76=166
180-166=14
X=14
Six friends went to a baseball game. The price for admission per person was $x. Three of the friends bought a hot dog for $3. Write and simplify an expression that represents the total cost
Answers
Answer:
y=6x+9
Where y is the total cost, x is the price for admission, 6 is the number of friends, and 9 is the amount spent on hotdogs.