Answer:
x = 3
Step-by-step explanation:
8(x+2) = 40
8x + 16 = 40
8x = 24
x = 3
In a random sample of 26 people, the mean commute time to work was 34.8 minutes and the standard deviation was 7.3 minutes. Assume the population is normally distributed and use a t-distribution to construct a 98% confidence interval for the population mean mu. What is the margin of error of mu? Interpret the results.
Answer:
September 28 e release ang module to the top of the page for the first time in the world of Worcester cathedral during the period of the page for the first time in the world to see if you can find a way to get a hold of me for a few days to get to the top of the page for the first time in the world to see if you can find a way to get a hold of me for a few days to get to the top of the page
Answer:
Step-by-step explanation:
population mean is 32.9, 36.7
margin of error is 1.9
A group of students held a fundraiser last year and raised $950 for charity. This year, they raised $1,045.
What is the percent change in the amount the group raised?
bo
Answer:
10% (if this is helpful please brainlist!!!)
Step-by-step explanation/proof:
I need help with number 8 and please explain
Answer:
No
The sides of the triangle do not satisfy the Pythagorean Theorem.
Step-by-step explanation:
If we are given the three sides to a triangle, and we are asked to find out if it is a right triangle, we will have to see if the sides of the triangle satisfies the Pythagorean Theorem. The Pythagorean Theorem is:
a² + b² = c²
where c is the hypotenuse and a and b are the other two sides.
So we can see from the image that 28 would be the length of the "hypotenuse" and 19 and 20 would be the lengths of the other two sides. Lets see if these values satisfy the Pythagorean Theorem:
19² + 20² = 28²
361 + 400 = 784
761 ≠ 784
So no, the triangle is not a right triangle because the sides does not satisfy the Pythagorean Theorem.
I hope you find my answer and explanation to be helpful. Happy studying.
pls help fast pls pls
Answer:
x = 10-3
When x + 3 = 10 is simplified x = 7 AND x = 10-3 also equals 7 (x = 7)
Someone give me an actual answer and not for the points...
At a Halloween fair, you see a huge Ferris wheel. There are ten seats on the wheel, with two people placed on each seat. Every minute, a seat passes by the exit platform. The Ferris wheel opened for 30 minutes at 11 a.m. and doubled its speed after fifteen minutes. How many people rode the wheel during this time?
Answer:
i believe 90 would be your answer.
Step-by-step explanation:
There are 10 seats and 2 people on each
2 times 10 = 20
the wheel was open for a total of 45 min
since every minute people are being switched out you have to do 2 times 10 4 times witch gives you 80 and the last 5 min you count 2 for each min and then your final answer will be 90.
The difference between the areas of the figures is less than 4.
An absolute value inequality that represents this situation is ___
The solution of the inequality is ___
Thank you!
How many grams in one dose of medicine?
Answer:
65
Step-by-step explanation:
A pattern has 4 blue triangles to every 12 yellow triangles. Alia said for everyone blue triangle there are three yellow triangles. do you agree with alia why or why not? explain your reasoning.
Answer:
yes I agree with her because 3 times 4 is 12
Step-by-step explanation:
pls make me brainliest
706.5 - 549.5 divided by 6 | SIMPLIFIEDDD giving 5O POINTS mark BRAINLIEST
Answer: 2.166 repeating
More info
Subtract 706.5 - 549.5
That equals 157.
Divide 157 by 6
You get 2.1666666667, or 2.166 repeating
which is the product of 7/9 and 6 in a fraction
Answer:
4 2/3
Step-by-step explanation:
7/9 multiplied by 6/1 = 42/9
Simplify: 14/3
Turn that into a mixed number: 4 2/3
PLEASEE HELP GIVING OUT BRAINLIEST
Answer:
0 < x + 7 < 5 = [-7,-2)
Step-by-step explanation:
Move all terms not containing x from the center section of the inequality.
7 < x < -2
convert the inequality to interval notation
[-7,-2)
Hope this helps.
Super easy math question pls help
Answer:
Thanks
Step-by-step explanation
6(9)+6(7)
also, 18(3)+14(3)
Pamela's age is three times Jiri's age. The sum of their ages is 84. What is Jiri's age?
Answer:
21
Step-by-step explanation:
21*3 = 63 (add jiri's age)
63+21= 84
Hope this helps!
Will give brainlist plz help its for my 9 week exam
Without looking, Tammy takes a marble out of a bag that contains 10 red marbles, 15 green marbles, and 25 blue marbles. Tammy records the color of the marble and returns it to the bag. If Tammy repeats this process 360 times, how many times can she expect to pull out a red marble?
A. 72
B. 36
C. 20
D. 10
What does v equal? ;-;
Answer:
v=-3
Step-by-step explanation:
-1=1/3v
-1*3=v
-3=v
Answer:
Step-by-step explanation:
[tex]-1 = \frac{1}{3} v[/tex]
Multiply by 3
[tex]-3 = v[/tex]
What is the value of X+1/9=1/3
Answer:
x = 2/9
Step-by-step explanation:
x + 1/9 = 1/3
Subtract 1/9 from each side
x + 1/9 -1/9 = 1/3 - 1/9
Get a common denominator
x = 1/3 *3/3 - 1/9
x = 3/9 -1/9
x = 2/9
Write 3 < x < 9 in interval notation.
Answer:
(3, 9)
Step-by-step explanation:
If we have ≤ or ≥, we use brackets to signify it includes the values.
If we have < or >, we use parenthesis to signify it doesn't include the values.
Write the following number in standard form.
eight hundred twenty-six and four hundredths
8,264
826.4
826.004
826.04
Answer:
D
Step-by-step explanation:
hope this helps :3
Answer:
hundreds
Step-by-step explanation:
Remember the place values:
thousands 8
hundreds 2
tens 1
ones 6
.
tenths 4
The 2 is in the hundreds place.
9 1/8 divided by 2/3
Answer:
219/16
Step-by-step explanation:
A local bakery sells 18 bagels for $12.99. How many bagels can be purchased for $20? Round down to the nearest whole bagel.
8.546 rounded to the nearest tenths?
Answer:
8.550
Step-by-step explanation:
devisibility rules for 3, 6, and 9
Answer:
★ Divisibility rule for 3 -
If the sum of all the digits divisible by 3 then the number is divisible by 3.
Here, we take an example for better understanding -
Example 1 - 3525
Add up the digits - 3 + 5 + 2 + 5
→ 15
As, 15 is divisible by 3. So, 3525 is a factor of 3.
★ Divisibility rule for 6 -
A number is to be divisible by 6 , if the number is also divisible by 2 and 3.
Example 2 - 132
Add up the digits = 1 + 3 + 2 = 6
As, 6 is divisible by 2 and it's also divisible by 3. Then, 132 is a factor of 6.
★ Divisibility rule for 9 -
If the sum of all the digits is divisible by 9 then the number is divisible by 9. Just like we'd in 3.
Example 3 - 1052
Add up the digits - 10 + 5 + 2 = 17
As, 17 is not divisible by 9. So, 1052 is also not divisible by 9.
b) Identify three common multiples of
54 and 36
Answer:
3, 2, 6
Step-by-step explanation:
Determine the effective annual yield for each investment.
Then select the better investment. Assume 360 days in a year.
A. 9% compounded monthly
B. 9.25% compounded annually
0.00062 as a scientific notation
Answer:
6.2 x 10^-4
Step-by-step explanation:
Since it is a decimal you would move the decimal point to the right. Making the exponent a negative number.
Find the Domain and Range for the graph.
Answer:
options ?
Step-by-step explanation:
Please HELP ASAP!! Fill in the blank:
If two angles of one triangle are equal in measure to two angles of another triangle then the remaining two angles _________
Answer:
are equal to each other by Triangle Sum Theorem.
Step-by-step explanation:
Answer:
are equal to each other.
Step-by-step explanation:
This happens because the inside angles of a triangle always add up to 180º no matter what type of triangle it is. So if two triangles have two equal measurements then the third will also be equal. This is according to the Triangle Sum Theorem.
According to a magazine, % of the world's solar energy cells are manufactured in one country. Consider a random sample of five solar energy cells and let x represent the number in the sample that are manufactured in that country. The formula below gives the probability distribution for x, where . Complete parts a through d. p(x) a. Explain why x is a discrete random variable. A. The event x is a discrete random variable because the values of the random variable are countable and each possible outcome is equally likely. B. The event x is a discrete random variable b
Answer:
The event x is a discrete random variable because the values of the random variable are countable and each possible outcome is equally likely
Step-by-step explanation:
A) Explaining why x is a discrete random variable
The event x is a discrete random variable because the values of the random variable are countable and each possible outcome is equally likely. A discrete random variable is variable that contains a countable number of values contained in it and each value stands an equal chance i.e The probability of each value/outcome is between 0 and 1
The temperature this morning is 52°F the temperature rose 15° and drop 20° by midnight time what is the temperature by night
Answer:
47
Step-by-step explanation:
you should add 15 to 52 and then subtract 20 from 67 which you got from 52 plus 15
483 calories and serves 3.5 people . How many calories in each serving?
Answer:
138
Step-by-step explanation:
483/3.5=138
Answer:
The answer is 138, simple math If you know what your doing :)
Step-by-step explanation:
483/3.5=138