1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Neporo4naja [7]
3 years ago
9

Pls help me on this !!!!

Mathematics
1 answer:
lawyer [7]3 years ago
3 0

Answer:

hi

Step-by-step explanation:

the answer is a + 1 1/2

You might be interested in
I need help!!!!!I'm little bit confused
wariber [46]
Hi! I'm 100% sure I can answer your question. What is the problem that you are confused about?
6 0
3 years ago
The function D(t)=18t2−130t gives the distance a car going a certain speed will skid in t seconds. Find the time it would take f
Assoli18 [71]

The time it will take for the car to skid for 150 feet is 8.23 seconds.

<h3>How to find the time the car will skid?</h3>

The function D(t) = 18t² − 130t gives the distance a car going a certain speed will skid in t seconds.

The time the it would take for the car to skid for 150 feet can be calculated as follows:

Therefore,

D(t) = 18t² - 130t

150 =  18t² - 130t

18t² - 130t - 150 = 0

divide by 3

9t² - 65t - 75 = 0

Hence,

t = 65 ± 5√277 / 18

t = 8.23425471586 or -1.01166666667

Hence,

t = 8.23 seconds.

Therefore, the time it will take for the car to skid for 150 feet is 8.23 seconds.

learn more on function here: brainly.com/question/13927655

#SPJ1

7 0
2 years ago
Need help on this question
aleksandrvk [35]

Answer:

f(-1)=6

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
A federal lobbyist wishes to survey residents of a certain congressional district to see what proportion of the electorate is aw
horrorfan [7]

Answer:

a. 385

b. 342

Step-by-step explanation:

To solve the problem we do the following:

The equation to calculate the sample size is:

n = (p)(q)(\frac{z}{E})^2

a)

We have the following data:

Since no estimate of proportion is given, we will assume: p = q = 0.5

We know that For 95% confidence, z = 1.96

Width = 0.10

Hence, the margin of error would be:

0.10 / 2 = 0.05

E = 0.05

And so we can calculate sample size:

n = (0.5)(0.5)(\frac{1.96}{0.05})^2

n = 385  

b)

We have the following data for this point:

p = 2/3

q = 1 - p

q = 1 - 2/3

q = 1/3

And so we can calculate sample size:

n = (2/3)(1/3)(\frac{1.96}{0.05})^2

n = 342

4 0
3 years ago
What is the experimental probability of hitting a polka dot balloon or solid balloon
uysha [10]

Answer:

18 plus 5 plus 17 gives 40 therefore ; p is eq 23/40

4 0
3 years ago
Other questions:
  • An airport has two long-term parking lots. The cost to park, y, in each lot for x days is shown in the tables.
    14·1 answer
  • What is the product of 1 1/3 and 5/6
    6·1 answer
  • What is the square root of -1?
    6·1 answer
  • What is the area of this figure?<br> A 78 in^2<br> B 48 in^2<br> C 30 in^2<br> D 18 in^2
    15·2 answers
  • Find the value of x in each case:<br> need help<br> pls quick
    7·1 answer
  • What is the upper quartile in the box plot?
    13·2 answers
  • Asap I say I say ASAP
    13·2 answers
  • Solve for h.<br> -18 + h= 28<br> h=______
    11·2 answers
  • In a school, the number of boys is 9 more than thrice the
    7·2 answers
  • Order the following numbers from least to greatest.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!