Answer:
Decision rule: Do not reject [tex]H_o[/tex]; we cannot conclude that the mean differs from zero
Step-by-step explanation:
From the given information:
The null hypothesis and alternative hypothesis is given as:
[tex]H_o: \mu = 0 \\ \\ H_1 : \mu \ne 0[/tex]
And the 99% confidence interval for the population mean [tex]\mu[/tex] is: [−3.79, 5.86]
The significance level ∝ = 1 - 0.99 = 0.01
We will notice that the 99% confidence interval for the population mean [tex]\mu[/tex] contains the null hypothesis mean value which is equal to zero.
Thus, we do not reject the null hypothesis at the significance level ∝ = 0.01
∴
Decision rule: Do not reject [tex]H_o[/tex]; we cannot conclude that the mean differs from zero
⚠️NEED HELP ASAP!!!!!⚠️
What value of y makes lines DB and CE parallel?
A.)116
B.)14
C.)6
D.)5
Answer:
C
Step-by-step explanation:
9y-1=180-127
9y-1=53
9y=54
y=6
Answer: B
Step-by-step explanation:
You buy rice at $0.71 a pound. One batch of rice requires 7 pounds of rice. How much does the rice for one batch cost? Round to the nearest cent
Answer:
4.97 or 5 dollars
Step-by-step explanation:
so basically just times them together
Determine which regions contain cube roots of −1. Check all that apply.
Answer:
its A, C, and F
Step-by-step explanation:
Answer:
A, C, F
Step-by-step explanation:
Refer to the graph to estimate x when f(x)= 7/2
Answer:
x = 4
Step-by-step explanation:
We are asked to find the value of x when [tex] \frac{7}{2} [/tex].
Note that [tex] f(x) [/tex] is also y.
What this means is, what is the value of x when y = 7/2 = 3.5.
On the graph given, trace where y = 3.5. check the x-value that corresponds with it on the point on the line.
Thus, at y = 3.5, x = 4.
Therefore,
x = 4, when [tex] \frac{7}{2} [/tex].
answer quick please I dont really get this
Answer:
f(9) = 24
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Function NotationStep-by-step explanation:
Step 1: Define
f(x) = 4(x - 3)
f(9) is x = 9
Step 2: Evaluate
Substitute in x: f(9) = 4(9 - 3)Subtract: f(9) = 4(6)Multiply: f(9) = 24The following table shows claim amounts and their probabilities for an insurance company that offers homeowners’ insurance policies. Calculate the expected claim amount. That is, on average, how much will the insurance company have to pay in claims per policy holder?
$2250
$5000
$7500
$3250
Elisa withdrew $20 at a time from her bank account and withdrew a total of $140. Francis withdrew $45 at a time from his bank account and withdrew a total of $270. Who made the greater number of withdrawals? Justify your answer.
Answer:
elisa made more withrawalss
Step-by-step explanation:
because when you divide elisa's total withrawal by the amaount of cash she withrew at a time would be 140/20=7.Whwn you compare that to francis's withrawal would be 270/45=6. 7>6 so elisa made more withrawals than francis
Answer:
elisa did da most
Step-by-step explanation:
complete the last four terms by dragging the missing value to correct locations in the expression
Answer:
Brainly does not have the correct answer listed as a choice - it should be [tex]2187y^{14}[/tex]
Step-by-step explanation:
find the missing side and round to the nearest tenth
Answer:
Do you have any numbers?
What is the radius of a hemisphere with a volume of 6466 to the nearest tenth of a meter?
Answer:
14.6m
Step-by-step explanation:
volume of a hemisphere = (2/3)πr3
Therefore r = Cube root of ( Volume * 3/2 * 1/ pi)
r = cube root ( 6466 * 3/2 * 1/ π)
r = 14.56
in the nearest tenth of a meter = 14.6 m
Write in standard form
0.000000799
Answer:
7.99*10^7
is the answer to your question
Answer: 7.99×10[tex]x^{-7}[/tex]
Step-by-step explanation:
7.99 times 10[tex]x^{-7}[/tex] = 0.00000799
A machinery was bought at RS 60,000.Its value is depreciated at the rate of 5% per annum. Find its value after one year.
Answer:
Rs57,000
Step-by-step explanation:
If its value depreciates at 5%p.a then only 95% of the original value(100%) is left.
Therefore its value=95/100×Rs60000=Rs57,000
How would I solve this
Solve the quadratic equation 3x^2+x-5=0
Give your answers to 2 decimal places.
Answer:
x= 1.13 or x= -1.45
Step-by-step explanation:
use the quadratic square root formula (-b±√(b²-4ac))/(2a) .
a= 3
b=1
c= -5
replace the variables with the numbers listed above and just work out.
x= 1.13 or x= -1.45
Answer:
x = -1/6 + 1/6√61 or x = -1/6 + -1/6 √61
Step-by-step explanation:
3x^2+x-5=0
Using quadratic formula a=3, b=1, c=-5
x = -b ± √b^2 - 4ac / 2a
x = -(1) ± √(1)^2 - 4(3)(-5) / 2(3)
x = -1 ± √61 / 6
x = -1/6 + 1/6√61 or x = -1/6 + -1/6 √61
3(x + 1) + 2(x + 5)
Whats the answer to this
Let's simplify step-by-step.
3(x+1)+2(x+5)
Distribute:
=(3)(x)+(3)(1)+(2)(x)+(2)(5)
=3x+3+2x+10
Combine Like Terms:
=3x+3+2x+10
=(3x+2x)+(3+10)
=5x+13
which translation is demonstrated in the figure
Evaluate the expression.
-2x + 3y; x = 3, y = 4
Answer:
6
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightStep-by-step explanation:
Step 1: Define
-2x + 3y
x = 3
y = 4
Step 2: Evaluate
Substitute: -2(3) + 3(4)Multiply: -6 + 12Add: 6Write the equation of the line fully simplified slope-intercept form.
Answer:Y=2x-6
Step-by-step explanation:
Evaluate the following expression 2 x 1 + 2 x 4.
Answer:
2 × 1 +2 × 4= 10
Step-by-step explanation:
because 2×1 is 2 and 2×4 is 8 then you add them and get 10
Mrs. Scott decided that she would spend no more than $120 to buy a jacket and a skirt. If the price of the jacket was $20 more than 3 times the price of the skirt, which inequality represents the highest possible price of the skirt
Answer:
20 x 3 > x
Step-by-step explanation:
x is the price of the skirt in the second part
Find the range of the function y=1/2x+3
When the domain is -2,0,2,4
Find the value of x. Give reasons to justify your answer.
The distinct lines a, b, c, and d are in the same plane. Tell how a and d relate. Justify your answer.
Answer:
c
Step-by-step explanation:
There a is parallel to d because a is perpendicular to c and c is parallel to d which is the correct answer that would be option (C).
What is the coplanar?A group of points that are coplanar, or a planar surface that extends endlessly in all directions, are all located on the same plane. Four or more points may or may not be coplanar, however, any two or three points are always coplanar.
The distinct lines a, b, c, and d are in the same plane.
a⊥b, bllc, and clld
Line a is perpendicular to line b, line b is parallel to line c, and Line c is parallel to line d which is given in the question.
Line a is perpendicular to line b (given)
Line b is parallel to line c (given)
Line c is parallel to line d (given)
Thus, Line a is parallel to line d
Therefore, a is parallel to d because a is perpendicular to c and c is parallel to d.
Hence, the correct answer would be an option (C).
Learn more about the coplanar here:
brainly.com/question/5191807
#SPJ2
Anyone got any Idea in this maths question. My answer was 63.
Answer:
a: 2
b:93
Step-by-step explanation:
x=3
y-5
a)
4x-2y given
4(3)-2(5) substitution
12-10 multiply
2 subtract
b)
2x^2+3y^2 given
2(3^2)+3(5^2) substitution
2(9)+3(25) solve exponent
18+75 multiply
93
Answer:
A would be 2 assuming x=3 and y=5
B would be 36 + 225 . So I believe the answer is 261
Step-by-step explanation:
I hope you ace your test
HEY YOU!! PLEASE I NEED HELPPP
find angle BAC and angle FAB
Answer:
m∠BAC = 105°
m∠FAB = 75°
Step-by-step explanation:
By using the property of an exterior angle of a triangle,
Measure of an exterior angle is equal to the sum of opposite two angles of a triangle.
From the triangle given in the picture,
m∠ABC + m∠BCA + m∠CAB = 180°
(13x - 3)° = (3x + 2)° + 55°
13x - 3 = 3x + 57
13x - 3x = 57 + 3
10x = 60
x = 6
m∠FAB = (13x - 3)° = 75°
m∠ABC = (3x + 2)° = 20°
Since, ∠BAC and ∠FAB are the linear pair of angles,
m∠BAC + m∠FAB = 180°
m∠BAC + 75° = 180°
m∠BAC = 180° - 75° = 105°
What is 3 and 4/5÷2/5 in the simplest form
Answer:
The answer is 19/2.
Step-by-step explanation:
Alternatives are 9 1/2 and 9.5.
Brainliest? Thanks!
Answer:
3 and 2/5
Step-by-step explanation:
because when it says divide it means take away and the denominator is the same so it stays the same
(PLEASE HELP THIS IS TIMED!!!)
Which graph represents the inequality x > 6?
Answer:
The last one
Step-by-step explanation
x is greater than six so you would go to the right and it has to be an open dot since it can't be the same as 6
Answer:
hello
Step-by-step explanation:
I GIVE BRAINLILSTE
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Answer:
A
Step-by-step explanation:
He increased by 10% because of 80% to 90% is 10%
So, the Answer is A
Answer:
12.5%
Step-by-step explanation:
The question is asking for the percent increase of 80%. So how much of 80% was the new percentage (90%) increased by.
First, find the difference 90-80=10
Then find the percent of 80 that the difference is.
10/80=0.125
0.125 in a percent form is 12.5%
So, there was a 12.5% increase.
If anyone help me with my entire test I’ll mark you brainliest
Pls graph and answer!
Answer:
Closed bracket “ ] “
at -5 facing the left then fill in the graph from -5 to -10
It’s facing left because -5 is greater than -x-4
Answer:
x ≥ 1
Step-by-step explanation:
Move all terms not containing x to the right side of the inequality.
−x ≤ −1
Divide each term in −x ≤ −1 by −1 and simplify.
x ≥ 1
Hope this helps! :)
what is 2 3/4 cups doubled??
Step-by-step explanation: