itll take 16 weeks to save for the laptop.
Given a sample mean of 130 and a sample standard deviation of 20, a point estimate of the unknown population mean would equal:
Answer:
1300
Step-by-step explanation:
130×10 thats the answer yoo
Given sec A = √85/6 write the value of cot a in the simplest fraction form
A.6/7
B.7/6
C.√85/7
D.7/√85
[tex]\\ \sf\longmapsto sec^2A-1=tan^2A[/tex]
[tex]\\ \sf\longmapsto tan^2A=\dfrac{(√85)^2}{6^2}-1[/tex]
[tex]\\ \sf\longmapsto tan^2A=\dfrac{85}{36}-1[/tex]
[tex]\\ \sf\longmapsto tan^2A=\dfrac{85-36}{36}[/tex]
[tex]\\ \sf\longmapsto tan^2A=\dfrac{49}{36}[/tex]
[tex]\\ \sf\longmapsto tanA=\dfrac{7}{6}[/tex]
Now
[tex]\\ \sf\longmapsto cotA=\dfrac{1}{tanA}=\dfrac{6}{7}[/tex]
can someone help me please :/
Answer:
9.
Step-by-step explanation:
Hilda adds 5 to a number, then multiplies the sum by -2. The result is 6. What is the number?
Answer:
-8
Step-by-step explanation:
Please help I’ve been stuck on this for a while!
Todd purchased a jumper for his infant son. The jumper clamps to the top of a door frame and has a spring from
which the body of the jumper hangs to allow the infant to jump up and down. Included with the jumper are small
weights, each identical in
weight and size. The weights allow the user to adjust the initial height of the jumper by
stretching the spring a certain distance. Todd adds 8 of the weights and notes the spring stretches 2 centimeters.
a. According to Hook's Law, the amount that a spring is stretched, s, varies directly with the force applied to the
spring by the weights, F. Write an equation that relates F and s for the spring on the jumper
b. Using your equation from part a, find the stretch in the spring if Todd applies 14 of the included weights to the
spring
c. Using your equation from part
Hooke's law relates the force applied on an elastic material to its extension. Therefore, the answers to the questions are:
a. F = ks
b. The spring stretched 0.035 m (3.5 cm) when a weight of 14 N is included.
Hooke's law states that provided the extension limit of an elastic material is not exceeded, the force applied is directly proportional to its extension.
i.e F = ke
where F is the force applied to the material, k is the spring constant of the material, and e is the extension.
Considering the conditions in the given question then, we have:
a. The equation that relates F and S for the spring on the jumper is:
F = ks
b. Given that: F = 8 N, while s = 2 cm (0.02 m).
Then;
F = ks
8 = k(0.02)
k = [tex]\frac{8.0}{0.02}[/tex]
= 400
k = 400 N/m
So that, the stretch in the spring when 14 N weight is included is:
F = ks
14 = 400 x s
s = [tex]\frac{14}{400}[/tex]
= 0.035
s = 0.035 m
Thus the spring was stretched by 0.035 m (3.5 cm) when a weight of 14 N was included.
Visit: https://brainly.com/question/20995298
Translate the sentence into an equation.
The sum of 9 times a number and 8 is equal to 7.
Use the variable x for the unknown number.
Answer: 9(x+8)=7
The sum is the solution when you add two (or more) numbers together.
:)
PLEASE HELP IM SWAMPED
the first is and answer and so is the 2
Tia mixes mashed pumpkin with several other ingredients to make homemade treats for her dog. She uses 3/4 cup of pumpkin to make 1 1/4 pounds of treats. How many mashed pumpkin does Tia use to make 1 pound of treats?
Step-by-step explanation:
Use a comparison method!!
3/4 : 1 1/4 = x : 1
3/4 : 5/4 = x : 1
3/4 × 1 = x × 5/4
3/4 = 5x/4
x = 3/4 ÷ 5/4
x = 3/4 × 4/5
x = 3/5
Tia used 3/5 cup of pumpkin to make 1 pound of treats
Can anyone help me with this question please ? I’ll mark as brainliest
Answer: A
Step-by-step explanation:
If you plug in the numbers from the x column into the equation in the place of x, you can figure out the answer.
Example: -10x - 15
-10(1) - 15 = -25
-10(2) - 15 = -35 and so on...
You're Welcome! :)
(x-3)^3+3-x giup tôi với
Answer:3 tháng 8 lúc 13:04. Tìm x. a) (4x-1)²-(4x-5)(4x+5)=3. b) (x+2)³-(x³+8)=0. Đọc tiếp... Toán lớp 8. 1. んuﾘ ｲ ( ✎﹏IDΣΛ亗 ) CTV. 3 tháng 8 lúc 16:17.
Step-by-step explanation:
A line passes through the points (–2, –8) and (–4, –8). Which shows the graph of this line?
Answer:
The fourth one (horizontal and lined up with y=-8)
Step-by-step explanation:
Hello! I have a project where I invite 5 people to a “dinner party” to school. I want to invite a girl named Jaci Butler. Jaci Butler is her own agent in the singing industry. I found her address and want to send her a mail inviting her to the party. The party is at school. Does this count as stalking? If you were Jaci butler, what would you think I’m a stalker? If you were her, would you come?
REMEMBER: IM NOT INVITING HER TO MY HOUSE. IM INVITING HER TO MY SCHOOL
Answer:
no not at all it's just being helpful and kind and I would come
HELPS PLEASE! 40 POINTS FOR CORRECT ANSWER!
Answer:
Expression as a power of the number a is given as
a^-2
Hello! I have a project where I invite 5 people to a “dinner party” to school. I want to invite a girl named Jaci Butler. Jaci Butler is her own agent in the singing industry. I found her address and want to send her a mail inviting her to the party. The party is at school. Does this count as stalking? If you were Jaci butler, what would you think I’m a stalker? If you were her, would you come?
REMEMBER: IM NOT INVITING HER TO MY HOUSE. IM INVITING HER TO MY SCHOOL
It's s tu pid if you really consider the question. No one hosts a 'dinner party' at school.. & that too with just 5 people. Utter ma dness, but if you really do invite an A-list celeb then she won't come unless there are audiences (in a huge number), other celebs, reporters etc. Plus you'll also need prior appointment. If you have all these then it's not sta lki ng..but that's not what happens in a dinner party & it's gonna cost a lot of money too. Now, this Jaci Butler you talk of is a singer-songwriter & you tuber..might not be a really big celeb (like Taylor Swift or Arianna Grande) or something but still calling her late at night to a school with 5 people sounds we ird & while it's not considered as s ta lking to me ...no person in their right mind would actually do it. St alking is like when you follow a person around making the other person uncomfortable with your presence. You hardly did that in this case...but calling Jaci to a dinner party at school is still c re epy. So, if I were Jaci I sure wouldn't come.
Peace ✌ ☮
________
Please don't mind the spaces in some words, I had to do it as Brainly wouldn't let me enter it otherwise. Hope it helps!
_______
RainbowSalt2222 ☔
PLS HELP ASAP ILL GIVE BRAINLKEST THANKS
Answer:
The last one
Step-by-step explanation:
Hope this helps if possible pls brainliest
Answer:
A
Step-by-step explanation:
is the answer
320−{24÷3×[8÷2−(8−6)]}
Answer:
I'm not sure if this is correct but I got the answer, 316.
Step-by-step explanation:
I used the process PEMDAS
320-{24÷3×[8÷2−(8−6)]}
320-{24÷3×[8÷2−2]}
320-{24÷3×[4−2]}
320-{24÷3×2}
320-{24÷6}
320-4
= 316
Find the volume of this prism 5cm 6cm 8 cm 12cm 15cm
Answer: 840 cm^3
Step-by-step explanation: I hope it helps you!
Help pleaseeee ? Aghhhh ):
Answer:
Step-by-step explanation:
The best I can do is set up the problem :3
9x(x+2) +6(x+2)
It said something Like there was inappropriate stuff in my answer so heres a picture darling :3
sorry I couldn’t explain fully but hope this helps :3
did americans work less than 40 hours a week on average in 1984? in 1984, the gss included questions about the number of hours that the respondent worked per week. the average number of hours worked per week was 36.63 hours with a standard deviation of 13.23 hours. a sample of 34 respondents was questioned. find the test statistic.
Answer:
878 gas
Step-by-step explanation:
89=5=7=9
A test statistic is a statistic that is used to test statistical hypotheses. The test statistic of the given hypothesis is; C: -0.25
What is the test statistic?A test statistic is a statistic that is used to test statistical hypotheses. A test statistic is a numerical summary of a data set that lowers the data to a single number that can be used to perform the hypothesis test.
As it is given to us that the sample mean(x') is 36.63 hours, while the standard deviation(σ) is 13.23.
Now, we want to know whether Americans work less than 40 hours or not. therefore, let's first define the hypothesis;
Alternative Hypothesis; μ < 40
Null Hypothesis; H₀: μ ≥ 40
Further, the Formula for test statistics is given,
[tex]z = \dfrac{(x'-\mu)}{\sigma}\\\\z = \dfrac{(36.63- 40)}{13.23}\\\\z = -0.25[/tex]
Hence, the test statistic of the given hypothesis is; C: -0.25.
Learn more about Test Statistics:
https://brainly.com/question/15980493
What is this shusuwjdbxinsjzbxjsb
Please help me please with number 1 part a and b.
Answer:
a) 39^2 = x^2 + 15^2
39^2 - 15^2 = x^2
root (39^2 - 15^2) = x
x times 2 is your answer.
b) (120 x 68) / 2 = 4080
Make x the subject of the formula 6x+a=5
Rob made a scale drawing of a summer camp. He used the scale 17 centimeters : 6 meters.
The actual length of the sand volleyball court is 18 meters. How long is the volleyball court in
the drawing?
Answer:
the volleyball court would be 51 centimeters
Answer:
51 centimeters.
Step-by-step explanation:
My bad if I got it wrong but I'm pretty sure thats the answer
Find the length in the kite labeled x
12 in.
9 in.
13 in
Answer:
15 in
Step-by-step explanation:
You have to use pythagoras' theorem, which is a^2=b^2+c^2 (a being the hypotenuse), because it is a right-angled triangle.
so you do 9^2+12^2, which equals 225. Then you square root that to get 15.
solve pls brainliest
Answer72 and 20
I think I’m not certain
Answer:
A. 6
B. 900
Step-by-step explanation:
36 ÷ 6 = 6
10 · 90 = 900
Hope this helps!!!
plssss help me i'll give u 40 points evaluate: 3/5^-2
Answer:
75
Step-by-step explanation:
5^-2 = 5*5 = 25/1
because it's (-) you need to flip it so 1/25
3/1 ÷ 1/25 = 3/1 × 25/1
because when you divide fraction you need to keep the first fraction as it is and change the symbol from (÷) to (×) and flip the second fraction. (KCF simple way to memorise it)
So 3/1 × 25/1 = 75/1
75/1 is same as 75
Simplify:
5 square root 7 x 7 square root 7
Answer:
35 square root of 49
Step-by-step explanation:
-13+12p - 4 = 6(2p-1)
Answer:
[tex]-13+12p-4=6\left(2p-1\right)[/tex]
[tex]-13-4=-17[/tex]
[tex]12p-17=6\left(2p-1\right)[/tex]
[tex]12p-17=12p-6[/tex]
[tex]12p-17+17=12p-6+17[/tex]
[tex]12p=12p+11[/tex]
[tex]12p-12p=12p+11-12p[/tex]
[tex]0=11[/tex]
There is No Solution
a
Choose the
equation of the
graphed
function.
С.
e.
6
a. y = |x- 3
–
b. y = |x - 31
y = |x] + 7
d. y = (x – 71
|
y = |x| +3
C.
y = (x + 3]
g y = |x|– 6
h. y = (x + 61
1.
y = |x| + 6
j. y = (x - 11
pls answer BRAINIEST
what is the range of the function graphed below
Answer:
B
Step-by-step explanation:
The range is how it extends horizontally. The line goes to 2 and then goes down infinitely. So it should be B, going from 2 to -inf.
