Answer:
the first one
Step-by-step explanation:
u still need explanation?
what is the measure of angle 0? round to the nearest whole number
Answer:
22°
Step-by-step explanation:
sinФ = opposite side/hypotenuse = 3/8
Ф = [tex]sin^{-1} ( \frac{3}{8})[/tex] use calculator
=22.02431
A school buys 1122 pencils in total. The school has 11 classes. How many pencils will each class receive?
Answer:
102 pencils
Step-by-step explanation:
1122÷11=102
Answer:
102 pencils
Step-by-step explanation:
Does anyone know the answers to this?
Answer:
i think the correct answer of these qusion is `B´
Answer:it’s 5
Step-by-step explanation:
CAN ANYONE HELP ME ASAP PLZ!? I WILL MARK BRAINLIEST!
-
What is the length of a leg of a 45-45-90 triangle if the hypotenuse is 13 square roots of 2?
Answer: is 13
Step-by-step explanation: no explanation
what is 1/7+2/3 fractions
Answer:
[tex]\frac{17}{21}[/tex]
Step-by-step explanation:
[tex]\frac{1}{7}[/tex] + [tex]\frac{2}{3}[/tex] ( multiply [tex]\frac{1}{7}[/tex] by 3 and [tex]\frac{2}{3}[/tex] by 7 to get a common denominator)
[tex]\frac{3}{21}[/tex] + [tex]\frac{14}{21}[/tex] = [tex]\frac{17}{21}[/tex]
Divide 136 by 8 and show your work.
Answer: 17
136/8 = 17
Work:
136
-80 (10)
----------
56
-56 (7)
------
0 Add the 10 and 7 on the side to get 17.
17 is your answer.
Answer:
17 is the correct answer
Step-by-step explanation:
17 < answer
---
136 given
8 given
-- -
56
56
----- < no remailders left
HELP ME! IT GEOMETRY
POSSIBLE ANSWERS ARE:
M<2=79°
M<2=90°
M<2=93°
M<2=127°
Faced with rising fax costs, a firm issued a guideline that transmissions of 10 pages or more should be sent by 2-day mail instead. Exceptions are allowed, but they want the average to be 10 or below. The firm examined 35 randomly chosen fax transmissions during the next year, yielding a sample mean of 14.44 with a standard deviation of 4.45 pages. (a) At the .01 level of significance, is the true mean greater than 10? (b) Use Excel to find the right-tail p-value.
Answer:
a) The calculated value t = 5.903 > 2.572 at 0.01 level of significance
Null hypothesis is rejected at 0.01 level of significance
There is a true mean value is less than 10
b) p - value 0.00001
The p - value 0.00001 < 0.01
The result is significant at p<0.01
Step-by-step explanation:
Step(i):-
Given mean of the population = 10
Sample size 'n'= 35
Mean of the sample x⁻ = 14.44
Standard deviation of the sample 's' = 4.45
Level of significance ∝ = 0.01
Step(ii):-
Null Hypothesis H₀ : μ >10
Alternative Hypothesis : H₁ : μ < 10
Test statistic
[tex]t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }[/tex]
[tex]t = \frac{14.44-10}{\frac{4.45}{\sqrt{35} } }[/tex]
t = 5.903
Degrees of freedom = n-1 = 35-1 = 34
tabulated value t₀.₀₁,₃₄ = 2.572
The calculated value t = 5.903 > 2.572 at 0.01 level of significance
Null hypothesis is rejected at 0.01 level of significance
There is a true mean value is less than 10
p- value :
p - value 0.00001
The p - value 0.00001 < 0.01
The result is significant at p<0.01
ABC Bookstore sells new books, n, for $12, and used books, u, for $8. The
store earned $112 revenue last month. The store sold 4 more used books
than new books. Which system of equations represents this scenario?
O A. 8n+ 12u= 112; u= n +4
O B. 8n + 12u=112; U= n- 4
OC. 12n+8u=112; u=n+4
O D. 12n + 8u= 112; u = n-4
Answer:
D.) $12n + $8u = 112 ;u = 4 + n
Step-by-step explanation:
Given that :
Cost per new books (n) = $12
Cost per used book (u) = $8
Total revenue earned = $112
store sold 4 more used books than new books
Hence,
Total revenue should be :
Revenue from new books + Revenue from used book = total revenue
Revenue from new books = $12 * n = $12n
Revenue from used books = $8 * n = $8n
$12n + $8u = 112
Number of books sold :
Number of used books sold = 4 + number of new books sold
u = 4 + n
1.Nehru and Isabel each have part-time jobs. Nehru is paid a constant amount of dollars for each hour that she works. Isabel was paid a certain amount of money at the time she was hired, and she also is paid a constant amount of dollars for each hour that she works. The table shows Nehru's total pay and Isabel's total pay for the selected number of hours worked. Nehru and Isabel's total pay will be the same if they work which of the following number of hours?
2x-4y=10
3x-6y=r
2.Which of the following statements could be used to support the given value of r that creates a system of equations with infinitely many solutions?
Group of answer choices
10 because then the associated lines would be parallel.
15 because then the associated lines would be parallel.
15 because then the associated lines would be coinciding.
10 because then the associated lines would be coinciding.
help plzzz
Answer:
1) 17
2) 15 because then the associated lines would be coinciding
Step-by-step explanation:
1.) 17
2.)
2x - 4y = 10
3x - 6y = r
Step 1
First lets try to substitute r with 10
and that looks like
*Look at the second image*
And it has No Solution because they are parallel
so we can cross out B and C
Step 2
So lets try to substitute r with 15
and that looks like
*Look at the First image*
It might look like there is only one line but there are actually 2 and they are on top of each other
So that means that they are not parallel but they are coinciding
So we can cross A out and that means the answer is D
Step 3
So the answer is 15 because then the associated lines would be coinciding
My Brain need help pls
- Circle the letter of the sentence that explains why no machine is 100 percent efficient a. Electrical energy is converted to mechanical energy by fuel. b. Mechanical energy is converted to thermal energy by friction C. Thermal energy is converted to mechanical energy by friction. d. Mechanical energy is converted to electrical energy by a spark
Answer:
d
Step-by-step explanation:
Answer:
b i think
Step-by-step explanation:
integral of 1÷(1+sin x) dx
Answer:
[tex] \tan \: x - \sec \: x + c[/tex]
Step-by-step explanation:
[tex] \int1 \div (1 + \sin \: x) \: dx \\ \\ = \int \frac{1}{1 + \sin \: x} dx \\ \\ = \int \frac{1}{(1 + \sin \: x)} \times \frac{(1 - \sin \: x)}{(1 - \sin \: x)} dx \\ \\ = \int \frac{1 - \sin \: x}{1 - \sin^{2} \: x} dx \\ \\ = \int \frac{1 - \sin \: x}{ \cos^{2} \: x} dx \\ \\ = \int \bigg( \frac{1}{ \cos^{2} \: x} - \frac{\sin \: x}{ \cos^{2} \: x} \bigg) dx \\ \\ = \int( { \sec}^{2} x - \sec \: x. \tan \: x)dx \\ \\ \purple{ \bold{ = \tan \: x - \sec \: x + c}}[/tex]
Hello ! :) please help me with a for me to mark you brainlst :)
Kohl’s is having a sale this weekend I picked out a new pair of boots for $75 a new coat for $130 and new gloves for $20 and then a show me a coupon for 30% off how much do I pay the cashier
You have $2000 from graduation that you want to invest in your simple interest checking account for five years while you go to college. If the account has a 1.3% interest rate, how much will you have in the account after the five years?
Answer: $2130
Step-by-step explanation:
First, we need to calculate the simple interest which will be:
= (Principal × Rate × Time)/100
= (2000 × 1.3 × 5)/100
= $130
The total amount in the account after five years will be:
= $2000 + $130
= $2130
What is 16.8 percent of 271
Answer:
45.528
Step-by-step explanation:
Answer:45.528
Step-by-step explanation:you have to multilply 16.8 times 271 and you will get 45.528 brainest plss if helped
anyone know? this answer
Answer:
4ft
Step-by-step explanation:
V=base*h= l*w*h substitute what you know
24=2*3*w
24=6*w divide both sides by 6
24/6=w
4=w
What's my name
A. Lou Sahsshole
B. Dihcksl Ong
C. Gabe Itch
D. Moe Lester
Divide. 6 by 3/5 PLEASE LOL
Answer:
6 divided by 3/5 is 10
Step-by-step explanation:
Answer:
6 Divided by 3/5 is 10
Step-by-step explanation:
You can make 6 into a fraction by putting a one under it
6/1 =6
And cross multiply numerators to your denominators
6/1 times 3/5 = 30/3 ( 6 times 5= 30 and 3 times 1= 3)
Simplify
30/3= 10
45 POINTS--A pattern of shaded and unshaded squares is shown below:
Answer:1) 2n - 1
2) 99
see in the picture, u can see that the number of shaded in figures 1 through n will form an evenly spaced sequence with:
u(1) = 1
u(2) = 3
u(3) = 5
u(4) = 7
u(5) = 9
......
=> The above sequence has: u1 = 1
d = 2
=> u(n) = 1 + 2(n - 1) = 2n - 1
=> the number of shaded squares in the n figure is 2n - 1
b) the number of shaded squares in the 50th figure is 2.50 - 1 = 99
Step-by-step explanation:
a) The number of shaded squares in the n figure is 2n - 1.
b) The number of shaded squares in the 50th figure is 99.
What is the number pattern?A number pattern is a pattern in a series of numbers that represents the common relationship between the numbers.
The number of shaded in figures 1 through n will form an evenly spaced sequence with:
u(1) = 1
u(2) = 3
u(3) = 5
u(4) = 7
u(5) = 9
The above sequence has: u1 = 1, d = 2
u(n) = 1 + 2(n - 1) = 2n - 1
The number of shaded squares in the n figure is 2n - 1.
b) The number of shaded squares in the 50th figure
2.50 - 1 = 99
Learn more about a number pattern:
brainly.com/question/14471389
#SPJ2
Which one has a greater value, , -7 + (-7) or -7 - (-7)? Explain your answer. GIVING BRAINLIEST!!!
Which number is an irrational number?
181
100
V 30
50
Answer:
181
Step-by-step explanation:
im just guessing so it's probably not right
7/8 times 1/3 times 2/5
Answer:
7/60
Step-by-step explanation:
7/8 times 1/3 is 7/24.
Then, 7/24 times 2/5 is 7/60
When multiplying fractions you just multiply across. For example, 7/8 times 1/3. 7 times 1 is 7 and 8 times 3 is 24. So, 7/8 times 1/3 is 7/24.
Hope this helps :)
A county real estate appraiser wants to develop a statistical model to predict the appraised value of houses in a section of the county called East Meadow.One of the many variables thought to be an important predictor of appraised value is the total number of rooms in the house. Consequently the appraiser decided to fit the simple linear regression model, ^y=β0+β1x, where y= the appraised value of the house (in thousands of dollars) and x= the number of rooms. Using data collected for a sample of n = 74 houses in East Meadow, the following results were obtained:¯y=74.80+24.93xRange of the x-values: 5 - 11Range of the y-values: 160 - 300Give a practical interpretation of the estimate of the slope and the y-intercept of the least-squares line.
Answer:
D. For each additional room in the house, the appraised value is estimated to increase $74,800
Step-by-step explanation:
The statistical model is used to predict the appraised value of houses in East Meadows. The value of a house is determined by using variables. The regression model helps to analyse the value of a house. It is predictive modelling technique which determines a relationship between dependent and independent variable.
Someone please help em
Answer:
y + x > -2
Step-by-step explanation:
slope is negative and is -1
y-intercept is -2
equation of dashed line is y = -x - 2
shading is above the line, and line is dashed, so inequality is
y > -x - 2
Add x to both sides.
y + x > -2
y=4(x+1)^-4 HELP I AM STUCK!
Answer:
y=4x+.0004
Step-by-step explanation:
y=4(x+1)^-4
distribute your parenthesis
y=4x+4^-4
do your exponents
y=4x+.004
and thats as far as the problem can be simplified
hope this helps
The radius of a circle is 3 inches. What is the circle's circumference? Use 3. 14 .
Answer:
18.84
Step-by-step explanation:
You multiply 3 by 2 and then 6 by 3.14
Find the derivative of the function given by f(x)=(√(x^2+1))/x
Answer:
Find the derivative of the function given by f(x)=(√(x^2+1))/x
Step-by-step explanation:
Plz help. Will mark the brainliest
Answer:
A: g(x)
Step-by-step explanation:
The equation is technically in vertex form "y = a(x – h)² + k", where the vertex is (h, k).
For the domain and range to be as stated in the problem, your "vertex" needs to be (2, 3), and so you want y = a(x – 2)² + 3 which is answer choice A
